Hail Swath Map Preview
The Janesville, WI hail swath map preview was last reviewed on August 29, 2026 and shows mapped hail estimates up to 2.50". There are 72 public hail reports, 25 public wind reports, and 4 nearby tornado reports listed for the May 15, 2025 event.
View the May 15, 2025 Janesville, WI hail event on the free interactive hail map, then check a free Hail Report by ZIP to see a more local hail signal for your area.
Impact Area and Population for the Janesville, WI Hail Map
The May 15, 2025 hail swath map for Janesville, WI covers approximately 2,754 square miles and includes an estimated 847,870 people inside the mapped footprint. The largest mapped area is in the 0.50-0.75" hail band, covering 976 square miles. The highest estimated population exposure is in the 0.50-0.75" hail band with 263,091 people.
| Mapped Hail Band | Impact Area | Population |
|---|---|---|
| < 0.50" | 493 sq mi | 180,666 |
| 0.50-0.75" | 976 sq mi | 263,091 |
| 0.75-1.00" | 564 sq mi | 182,822 |
| 1.00-1.25" | 278 sq mi | 85,079 |
| 1.25-1.50" | 208 sq mi | 56,156 |
| 1.50-1.75" | 90 sq mi | 16,245 |
| 1.75-2.00" | 67 sq mi | 49,469 |
| 2.00-2.25" | 38 sq mi | 11,015 |
| 2.25-2.50" | 30 sq mi | 3,067 |
| 2.50-2.75" | 10 sq mi | 260 |
Get a free Hail Report by ZIP to see a more local hail signal and whether the May 15, 2025 Janesville, WI hail event may have reached your area.
Housing Exposure Inside the Janesville, WI Hail Swath Map
Inside the May 15, 2025 hail swath map area for Janesville, WI, HailGeeks estimates 300,231 single-family homes, 29,127 townhomes, and 167,404 multifamily properties within the mapped storm footprint. Single-family-home exposure is highest in the 0.50-0.75" hail band, with 99,073 single-family homes.
| Mapped Hail Band | Single-Family | Townhomes | Multifamily |
|---|---|---|---|
| < 0.50" | 65,026 | 7,048 | 34,723 |
| 0.50-0.75" | 99,073 | 9,174 | 48,539 |
| 0.75-1.00" | 69,939 | 6,169 | 31,835 |
| 1.00-1.25" | 30,719 | 3,011 | 17,502 |
| 1.25-1.50" | 18,780 | 1,691 | 10,606 |
| 1.50-1.75" | 6,335 | 782 | 2,358 |
| 1.75-2.00" | 5,040 | 655 | 19,864 |
| 2.00-2.25" | 3,959 | 555 | 1,672 |
| 2.25-2.50" | 1,242 | 39 | 292 |
| 2.50-2.75" | 118 | 3 | 13 |
Use this table to review housing exposure by hail band for the May 15, 2025 Janesville, WI hail map. To check a specific property more closely, use a free Hail Report by Address.
Counties Inside the Janesville, WI Hail Map
Hail from the May 15, 2025 storm was mapped across 26 counties in the Janesville, WI region. Dane County, WI had the strongest mapped signal, peaking at 2.50" with roughly 74,345 single-family homes inside the swath.
County pages group every mapped hail event in the area. For a closer look, drop to the city or ZIP level below, or run a free Hail Report by Address.
Cities Inside the Janesville, WI Hail Map
Zooming in, the swath touched 116 cities near Janesville, WI. Madison, WI had the strongest mapped signal at 2.00", with an estimated 24,211 single-family homes exposed.
City cards show where the May 15, 2025 Janesville, WI hail activity was mapped, but your ZIP can show a closer local signal. Get a free Hail Report by ZIP, and if the signal looks meaningful, ask a local pro about a Remote Hail Inspection to see whether an on-site roof or exterior review may be worth scheduling.
ZIP Codes Inside the Janesville, WI Hail Swath Map
At the ZIP level, the May 15, 2025 Janesville, WI hail map spans 151 ZIP codes. ZIP 53925 shows the strongest local signal, with mapped hail estimates up to 2.50" and an estimated single-family-home exposure of 2,801.
Check your ZIP in seconds to see whether hail activity from the May 15, 2025 Janesville, WI event was mapped near your area.
Public Hail, Wind, and Tornado Reports
Public storm report tables connected to the May 15, 2025 hail map for Janesville, WI currently list 72 public hail reports, 25 public wind reports, and 4 tornado reports.
| Date & Time | Hail Size | City | State | Description |
|---|---|---|---|---|
May 15, 2025 3:42 PM CT |
1.00 in | 1 NE Monroe | WI | No National Weather Service description provided. |
May 15, 2025 4:02 PM CT |
1.75 in | 6 E Plain | WI | Relayed by WISC-TV. Photo of large hail stone next to a hen egg. Time estimated from radar. |
May 15, 2025 4:03 PM CT |
1.50 in | 1 N Fitchburg | WI | Report from mPING: Ping Pong Ball (1.50 in.). |
May 15, 2025 4:06 PM CT |
1.50 in | Fitchburg | WI | No National Weather Service description provided. |
May 15, 2025 4:06 PM CT |
1.00 in | 1 W Oregon | WI | Report from mPING: Quarter (1.00 in.). |
May 15, 2025 4:07 PM CT |
1.50 in | 2 NE Maple Bluff | WI | Report from mPING: Ping Pong Ball (1.50 in.). |
May 15, 2025 4:08 PM CT |
1.50 in | 1 SE Oregon | WI | Report from mPING: Ping Pong Ball (1.50 in.). |
May 15, 2025 4:08 PM CT |
1.00 in | 1 S Shorewood Hills | WI | Report from mPING: Quarter (1.00 in.). |
May 15, 2025 4:08 PM CT |
1.75 in | 1 S Oregon | WI | Report from mPING: Golf Ball (1.75 in.) Time adjusted to line up with radar. |
May 15, 2025 4:08 PM CT |
1.50 in | 1 W Oregon | WI | No National Weather Service description provided. |
May 15, 2025 4:08 PM CT |
2.00 in | Madison | WI | Report from mPING: Hen Egg (2.00 in.). |
May 15, 2025 4:08 PM CT |
1.50 in | 1 NE Oregon | WI | Report from mPING: Ping Pong Ball (1.50 in.). |
May 15, 2025 4:08 PM CT |
1.50 in | 2 E Shorewood Hills | WI | Report from mPING: Ping Pong Ball (1.50 in.). |
May 15, 2025 4:12 PM CT |
1.25 in | 1 S Madison | WI | No National Weather Service description provided. |
May 15, 2025 4:16 PM CT |
1.75 in | 1 W Oregon | WI | Report from mPING: Golf Ball (1.75 in.). |
May 15, 2025 4:18 PM CT |
1.00 in | 3 W Middleton | WI | No National Weather Service description provided. |
May 15, 2025 4:20 PM CT |
1.00 in | 2 N Middleton | WI | Report from mPING: Quarter (1.00 in.). |
May 15, 2025 4:20 PM CT |
1.00 in | 1 E Mcfarland | WI | Report from mPING: Quarter (1.00 in.). |
May 15, 2025 4:20 PM CT |
1.25 in | 1 SW Madison | WI | Report from mPING: Half Dollar (1.25 in.). |
May 15, 2025 4:20 PM CT |
1.50 in | 3 W Middleton | WI | No National Weather Service description provided. |
May 15, 2025 4:20 PM CT |
1.50 in | Monona | WI | No National Weather Service description provided. |
May 15, 2025 4:21 PM CT |
1.00 in | Mcfarland | WI | No National Weather Service description provided. |
May 15, 2025 4:25 PM CT |
2.00 in | 4 W Cottage Grove | WI | Only viewable damage right now is to tree canopy. |
May 15, 2025 4:28 PM CT |
1.75 in | 3 W Cottage Grove | WI | No National Weather Service description provided. |
May 15, 2025 4:36 PM CT |
1.00 in | Sun Prairie | WI | No National Weather Service description provided. |
May 15, 2025 4:40 PM CT |
1.00 in | 2 NW Waunakee | WI | Report from mPING: Quarter (1.00 in.). |
May 15, 2025 4:42 PM CT |
1.25 in | 4 SW Sun Prairie | WI | Report from mPING: Half Dollar (1.25 in.). |
May 15, 2025 4:50 PM CT |
2.25 in | 4 W Cottage Grove | WI | Report from mPING: Hen Egg+ (2.25 in.) Time estimated from radar. |
May 15, 2025 4:51 PM CT |
1.75 in | 2 NE Maple Bluff | WI | No National Weather Service description provided. |
May 15, 2025 4:51 PM CT |
1.50 in | 4 NE Maple Bluff | WI | Relayed via X with photo of hail stone next to a ruler. |
May 15, 2025 4:58 PM CT |
1.25 in | 1 E Maple Bluff | WI | Report from mPING: Half Dollar (1.25 in.). |
May 15, 2025 4:58 PM CT |
1.25 in | 2 W Sun Prairie | WI | Report from mPING: Half Dollar (1.25 in.). |
May 15, 2025 5:02 PM CT |
1.00 in | 3 SE Palmyra | WI | No National Weather Service description provided. |
May 15, 2025 5:04 PM CT |
1.50 in | Eagle | WI | Pictures of hail to the size of ping pong balls. |
May 15, 2025 5:06 PM CT |
1.00 in | Caledonia | IL | Public report of quarter size hail near Caledonia. Relayed by broadcast media. Time estimated by radar. |
May 15, 2025 5:18 PM CT |
1.50 in | Dousman | WI | Relayed via X with photo. |
May 15, 2025 5:25 PM CT |
1.00 in | 1 W Dousman | WI | No National Weather Service description provided. |
May 15, 2025 5:27 PM CT |
1.00 in | 1 N Wales | WI | Report from mPING: Quarter (1.00 in.). |
May 15, 2025 5:31 PM CT |
1.00 in | 1 NW Nashotah | WI | No National Weather Service description provided. |
May 15, 2025 5:35 PM CT |
1.00 in | 5 ENE Columbus | WI | Quarter size hail covering the ground. |
May 15, 2025 5:37 PM CT |
1.50 in | 4 SW Beaver Dam | WI | Report from mPING: Ping Pong Ball (1.50 in.). |
May 15, 2025 5:37 PM CT |
1.00 in | 3 NW Reeseville | WI | No National Weather Service description provided. |
May 15, 2025 5:38 PM CT |
1.50 in | 1 SE Beaver Dam | WI | No National Weather Service description provided. |
May 15, 2025 5:40 PM CT |
1.00 in | 3 S Richfield | WI | No National Weather Service description provided. |
May 15, 2025 5:51 PM CT |
1.00 in | 2 N Lowell | WI | Report from mPING: Quarter (1.00 in.). |
May 15, 2025 5:52 PM CT |
1.00 in | 3 SSE Hubertus | WI | No National Weather Service description provided. |
May 15, 2025 5:53 PM CT |
1.00 in | 1 S Beaver Dam | WI | Report from mPING: Quarter (1.00 in.). |
May 15, 2025 6:00 PM CT |
1.00 in | 1 SW East Troy | WI | Shredded leaves off of trees... did not accumulate much. |
May 15, 2025 6:00 PM CT |
1.50 in | 4 S East Troy | WI | No National Weather Service description provided. |
May 15, 2025 6:03 PM CT |
1.25 in | East Troy | WI | Report from mPING: Half Dollar (1.25 in.). |
May 15, 2025 6:05 PM CT |
1.25 in | Mukwonago | WI | No National Weather Service description provided. |
May 15, 2025 6:06 PM CT |
1.00 in | East Troy | WI | No National Weather Service description provided. |
May 15, 2025 6:08 PM CT |
2.00 in | East Troy | WI | No National Weather Service description provided. |
May 15, 2025 6:08 PM CT |
1.00 in | 1 SE Mukwonago | WI | Report from mPING: Quarter (1.00 in.). |
May 15, 2025 6:13 PM CT |
2.50 in | 4 W Waterford | WI | Tennis-Baseball sized hail causing significant damage to vehicles in far western Waterford near Walworth county border. |
May 15, 2025 6:14 PM CT |
1.75 in | 3 NE Ixonia | WI | Reported by Jefferson County Sheriff near Co Hwy P. |
May 15, 2025 6:14 PM CT |
2.50 in | 1 SE Ixonia | WI | Report from mPING: Tennis Ball (2.50 in.). |
May 15, 2025 6:15 PM CT |
1.00 in | 1 SW Lac La Belle | WI | Report from mPING: Quarter (1.00 in.). |
May 15, 2025 6:15 PM CT |
2.00 in | 5 N Lac La Belle | WI | Hail ranging from over 0.5 inch diameter to larger than 2 inch diameter at times... lasted approximately 20 minutes. Wind was generally from the west and south... with strong wind gusts. Damage to vinyl windows. Complete study not completed yet. |
May 15, 2025 6:21 PM CT |
1.00 in | 2 W Waterford | WI | Report from mPING: Quarter (1.00 in.). |
May 15, 2025 6:23 PM CT |
1.00 in | 2 E Hartford | WI | Report from mPING: Quarter (1.00 in.). |
May 15, 2025 6:24 PM CT |
1.25 in | 2 SE Hartford | WI | No National Weather Service description provided. |
May 15, 2025 6:26 PM CT |
2.00 in | 5 W Erin | WI | Report from mPING: Hen Egg (2.00 in.). |
May 15, 2025 6:31 PM CT |
1.00 in | 1 W Belvidere | IL | Public report of quarter size hail in Belvidere. |
May 15, 2025 6:36 PM CT |
1.00 in | 1 N Muskego | WI | No National Weather Service description provided. |
May 15, 2025 6:38 PM CT |
1.00 in | 1 W Muskego | WI | Report from mPING: Quarter (1.00 in.). |
May 15, 2025 6:40 PM CT |
1.50 in | 1 W Hales Corners | WI | Report from mPING: Ping Pong Ball (1.50 in.). |
May 15, 2025 6:41 PM CT |
1.00 in | 2 SW Hales Corners | WI | Report from mPING: Quarter (1.00 in.). |
May 15, 2025 6:42 PM CT |
1.00 in | 1 NW Wind Lake | WI | Report from mPING: Quarter (1.00 in.). |
May 15, 2025 6:42 PM CT |
2.00 in | Big Bend | WI | Largest measured. |
May 15, 2025 6:45 PM CT |
1.00 in | 1 SE West Allis | WI | Report from mPING: Quarter (1.00 in.). |
May 15, 2025 6:54 PM CT |
1.00 in | 1 S Greendale | WI | Report from mPING: Quarter (1.00 in.). |
| Date & Time | Wind Speed | City | State | Description |
|---|---|---|---|---|
May 15, 2025 4:56 PM CT | 1 NW Cottage Grove | WI | Large healthy tree branches snapped off. Some 5-8 inches in diameter. All blown in one direction from south to north. | |
May 15, 2025 5:31 PM CT | 4 SW Union Grove | WI | Public report of large tree branches down and fencing blown down in the Brighton Dale Golf Course area. Time estimated by radar. | |
May 15, 2025 5:33 PM CT | Lowell | WI | Multiple uprooted trees. Time estimated from radar. | |
May 15, 2025 5:50 PM CT | 3 W Horicon | WI | Numerous 4 to 12 inch limbs down and power lines down in Minnesota Junction. Time estimated from radar. | |
May 15, 2025 5:53 PM CT | 1 WNW Juneau | WI | Dodge Co Sheriff reported roof off house on West Hillcrest Rd. | |
May 15, 2025 6:05 PM CT | 2 E Davis Junction | IL | Trees snapped... causing damage to property. | |
May 15, 2025 6:10 PM CT | 2 SSW Horicon | WI | House siding and roof damage. Reported via X. Fox Rd and Helena Rd. Time estimated from radar. | |
May 15, 2025 6:15 PM CT | 4 NE Lost Nation | IL | Trained spotter reports branches 3-4 inch diameter broken. Time estimated by radar. | |
May 15, 2025 6:23 PM CT | 1 N Lakemoor | IL | Public report of tree damage between McHenry and Volo. Time estimated by radar. | |
May 15, 2025 6:25 PM CT | Vernon Hills | IL | Public report of small branches broken in Vernon Hills. Time estimated by radar. | |
May 15, 2025 6:31 PM CT | Lake Catherine | IL | Pictures received of a large tree down on a home causing damage to the siding on the back of the home in addition to the gutters and part of the roof. Time estimated from radar. | |
May 15, 2025 6:36 PM CT | 1 W Dekalb | IL | Several photos relayed via social media of tree damage in and around DeKalb. One photo showed a 1 foot in diameter tree snapped midway up. Live webcams at the time the storm moved through showed considerable blowing dust as well as several gustnadoes. Time estimated by radar. | |
May 15, 2025 6:37 PM CT | 1 S Antioch | IL | Corrects previous storm surge report from 1 S Antioch. Trained spotter reports estimated 2.5 foot diameter tree broken and has fallen onto house. Time estimated by radar. | |
May 15, 2025 6:41 PM CT | 1 WSW Kingston | IL | Trained spotter reports 16 inch diameter tree broken west of Kingston. Time estimated by radar. | |
May 15, 2025 6:54 PM CT | Wauwatosa | WI | Multiple calls for wires down and some tree damage. No significant damage. | |
May 15, 2025 7:00 PM CT | 3 S Union Grove | WI | 2 power poles down in Paris. Time estimated from radar. Reports of individual trees down scattered across Kenosha county. | |
May 15, 2025 7:00 PM CT | 4 ESE Bohners Lake | WI | Several large trees damaged and another tree down on wires in the town of Wheatland. Shed... barn and playset damaged one mile north. Time estimated from radar. | |
May 15, 2025 4:46 PM CT | 60 mph | Rockford Airport | IL | Rockford Airport ASOS KRFD recorded brief gust to 60 mph. |
May 15, 2025 6:22 PM CT | 64 mph | 3 NE Hillcrest | IL | Private weather station reported 64 mph gust northeast of Rochelle. |
May 15, 2025 6:24 PM CT | 60 mph | 1 SSW Hillcrest | IL | Private weather station KILROCHE3 reported 60 mph gust between Rochelle and Hillcrest. |
May 15, 2025 6:24 PM CT | 60 mph | 2 NW Hillcrest | IL | Private weather station KILROCHE34 reported 60 mph gust north of Rochelle. |
May 15, 2025 6:40 PM CT | 59 mph | 4 N Sycamore | IL | Private weather station reported 59 mph gust north of Sycamore. |
May 15, 2025 6:40 PM CT | 67 mph | 2 ENE Genoa | IL | Trained spotter reports measured 67 mph gust east of Genoa. |
May 15, 2025 6:45 PM CT | 65 mph | 5 NW Marengo | IL | IL-DOT weather station north of Marengo reported 65 mph gust. |
May 15, 2025 6:57 PM CT | 58 mph | Wonder Lake | IL | Private weather station reported 58 mph gust near Wonder Lake. |
| Date & Time | Rating | City | State | Description |
|---|---|---|---|---|
May 15, 2025 4:08 PM CT | UNK | 4 SSW Rock Springs | WI | A NWS Storm Survey found EF-0 tornado damage from a brief touchdown along Stone Church Drive. Minor damage occurred to trees in a forest along the roadway. Peak wind was 70 MPH. Time estimated from radar. |
May 15, 2025 5:32 PM CT | UNK | 2 NNW Reeseville | WI | A NWS storm survey found EF-1 rated damage from a tornado that began west of Lowell. This tornado was on the ground for approximately 6.7 miles... ending just south of Oak Grove. Peak wind speeds were estimated to be 90 MPH. |
May 15, 2025 5:42 PM CT | UNK | 3 W Juneau | WI | A NWS storm survey found EF-2 rated damage from a tornado that began west of Juneau. This tornado was on the ground for approximately 9.2 miles... ending just east of Horicon. Peak wind speeds were estimated to be 120 MPH. |
May 15, 2025 5:49 PM CT | UNK | 2 N Juneau | WI | A NWS story survey found EF-1 rated damage from a tornado that began near the Dodge County Airport... north of Juneau. This tornado proceeded to the east before ending just east of the Rock River. Path length is estimated to be 4 miles. Peak wind speed was 95 MPH. |
This table includes only public storm reports connected to the May 15, 2025 Janesville, WI storm event. When available, each report may include the time, size or magnitude, city, state, and a short description.
Related Hail Maps in the Janesville, WI Region
We found 6 more hail maps with reports from the same Janesville, WI region as the May 15, 2025 event. These related maps cover storm dates from Sep 21, 2024 through Apr 18, 2025, with mapped hail estimates ranging from 0.75" to 2.75". In this set, the strongest related map reached 2.75", and the most recent map shown is from Apr 18, 2025.
If none of these related Janesville, WI hail maps look close enough to your property, check a free Hail Report by Address. It reviews hail history for a specific location — not just the broader Janesville, WI region — so you can check whether hail activity may have reached your property.
Local Hail Review Options Near Janesville, WI
Not sure whether the May 15, 2025 Janesville, WI hail map matters for your property? Start with a free Hail Report by Address to see whether hail activity was mapped for that property. If the property signal looks meaningful, you can choose a local pro serving the Janesville, WI region and ask about a Remote Hail Inspection before deciding whether an on-site roof or exterior review is worth scheduling.
Check a specific property to see whether hail activity from the May 15, 2025 Janesville, WI event — or another recent hail event — may have been mapped at that address.
Find a roof or exterior pro serving the Janesville, WI region who can help you understand what the property hail signal may mean.
A participating local pro reviews property-level hail history remotely — not just the May 15, 2025 event — to help decide whether an on-site inspection may be worth scheduling.
A free Hail Report by Address and a Remote Hail Inspection can help you look beyond the May 15, 2025 hail map visuals alone. They do not confirm property damage and do not replace an on-site inspection for a property in the Janesville, WI region, but they can help you make a more informed next decision before anyone climbs on the roof.
Frequently Asked Questions
Common questions about the May 15, 2025 Janesville, WI hail event.