Heads up! Small hail spotted in these regions: Sebring, FL • North Port, FL • Fayetteville, NC • Durham, NC • Champaign, IL • Charlotte, NC • Fort Myers, FL • Lakeland, FL • Mattoon, IL • Corpus Christi, TX      ATTENTION! Damaging hail detected. Hail tracking is now active for these regions: Owensboro, KY • Knoxville, TN • Evansville, IN • Farmington, NM • Louisville, KY • Winston, NC • Greensboro, NC • Provo, UT • Logan, UT • Ogden, UT • Salt Lake City, UT      
HailGeeks
Free Interactive Hail Map

Hail Map with Reports for Janesville, WI

View the free hail map with reports for Janesville, WI from July 14, 2021. This event is marked as Complete, with a Moderate storm impact level and a Moderate Event Inspection Score.

Free Interactive Hail Map Hail Report by ZIP
Moderate
Event Inspection Score
Moderate
Storm Impact
Complete
Event Status
Jul 14, 2021
Event Date
Map Preview

Hail Swath Map Preview

The Janesville, WI hail swath map preview was last reviewed on August 27, 2026 and shows mapped hail estimates up to 1.75". There are 0 public hail reports, 11 public wind reports, and 0 nearby tornado reports listed for the July 14, 2021 event.

Region: Janesville, WI
July 14, 2021 Hail swath map preview for Janesville, WI on July 14, 2021
Open Interactive Map
Max Hail
1.75"
Mapped estimated hail size
Public Hail Reports
0
Largest report: —
Public Wind Reports
11
Reports near map area
Tornado Reports
0
Reports near map area

View the July 14, 2021 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.

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Map Footprint

Impact Area and Population for the Janesville, WI Hail Map

The July 14, 2021 hail swath map for Janesville, WI covers approximately 137 square miles and includes an estimated 7,701 people inside the mapped footprint. The largest mapped area is in the 0.75-1.00" hail band, covering 37 square miles. The highest estimated population exposure is in the < 0.50" hail band with 3,682 people.

Mapped Impact Area
137 sq mi
Largest band: 0.75-1.00"
Population Inside Footprint
7,701
Highest population band: < 0.50"
Mapped Hail BandImpact AreaPopulation
< 0.50"32 sq mi3,682
0.50-0.75"36 sq mi1,836
0.75-1.00"37 sq mi1,444
1.00-1.25"22 sq mi511
1.25-1.50"7 sq mi172
1.50-1.75"1 sq mi14
1.75-2.00"2 sq mi42

Get a free Hail Report by ZIP to see a more local hail signal and whether the July 14, 2021 Janesville, WI hail event may have reached your area.

Housing Impact

Housing Exposure Inside the Janesville, WI Hail Swath Map

Inside the July 14, 2021 hail swath map area for Janesville, WI, HailGeeks estimates 2,977 single-family homes, 356 townhomes, and 899 multifamily properties within the mapped storm footprint. Single-family-home exposure is highest in the < 0.50" hail band, with 1,356 single-family homes.

Single-Family Homes
2,977
Largest band: < 0.50"
Townhomes
356
Largest band: < 0.50"
Multifamily Properties
899
Largest band: < 0.50"
Mapped Hail BandSingle-FamilyTownhomesMultifamily
< 0.50"1,356295508
0.50-0.75"72929196
0.75-1.00"58821139
1.00-1.25"224732
1.25-1.50"55424
1.50-1.75"600
1.75-2.00"1900

Use this table to review housing exposure by hail band for the July 14, 2021 Janesville, WI hail map. To check a specific property more closely, use a free Hail Report by Address.

Affected Counties

Counties Inside the Janesville, WI Hail Map

Hail from the July 14, 2021 storm was mapped across 6 counties in the Janesville, WI region. Sauk County, WI had the strongest mapped signal, peaking at 1.75" with roughly 1,508 single-family homes inside the swath.

Showing 9 of 6 counties

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.

Affected Cities

Cities Inside the Janesville, WI Hail Map

Zooming in, the swath touched 3 cities near Janesville, WI. Lake Wisconsin, WI had the strongest mapped signal at 0.50", with an estimated 323 single-family homes exposed.

Showing 12 of 3 cities

City cards show where the July 14, 2021 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

ZIP Codes Inside the Janesville, WI Hail Swath Map

At the ZIP level, the July 14, 2021 Janesville, WI hail map spans 7 ZIP codes. ZIP 53951 shows the strongest local signal, with mapped hail estimates up to 1.75" and an estimated single-family-home exposure of 411.

Showing 12 of 7 ZIP codes

Check your ZIP in seconds to see whether hail activity from the July 14, 2021 Janesville, WI event was mapped near your area.

Public Storm Reports

Public Hail, Wind, and Tornado Reports

Public storm report tables connected to the July 14, 2021 hail map for Janesville, WI currently list 0 public hail reports, 11 public wind reports, and 0 tornado reports.

Date & TimeWind SpeedCityStateDescription
July 14, 2021
2:30 PM CT
JanesvilleWIPICTURE RELAYED VIA SOCIAL MEDIA SHOWS A TREE BLOWN DOWN ON A PARKED CAR IN JANESVILLE. TIME OF DAMAGE ESTIMATED FROM RADAR.
July 14, 2021
5:25 PM CT
2 SSW LoganvilleWI*** 1 INJ *** REPORT OF ROOF DAMAGE TO A GARAGE ALONG WITH TREES DOWN ON SPRING VALLEY RD. TIME ESTIMATED VIA RADAR.
July 14, 2021
5:55 PM CT
1 NE PoynetteWIREPORTS OF DOWNED TREES AND LIMBS AROUND THE POYNETTE AREA. TIME ESTIMATED VIA RADAR.
July 15, 2021
12:00 AM CT
KentILTREE REPORTED TO BE BLOWN DOWN.
July 15, 2021
12:10 AM CT
LanarkILLARGE TREE BRANCH REPORTED DOWN JUST OUTSIDE OF TOWN.
July 15, 2021
12:15 AM CT
1 SSE FreeportILAT LEAST ONE TREE REPORTED TO BE BLOWN DOWN IN FREEPORT.
July 15, 2021
12:47 AM CT
BeloitWIMULTIPLE REPORTS OF TREES AND POWER LINES DOWN IN THE BELOIT AREA. TIME ESTIMATED FROM RADAR.
July 15, 2021
1:09 AM CT
BelvidereILTREE LIMB DOWN IN A YARD THAT BROUGHT DOWN SOME WIRES. ALSO RECEIVED A REPORT FROM BROADCAST MEDIA OF SMALL TREE LIMBS DOWN IN TOWN. TIME ESTIMATED FROM RADAR.
July 15, 2021
1:28 AM CT
1 N DelavanWIMEDIUM SIZED TREE BRANCHES FALLEN AROUND NEIGHBORHOOD.
July 15, 2021
1:31 AM CT
MarengoILPHOTO SHARED ON SOCIAL MEDIA OF A LARGE TREE LIMB DOWNED ONTO THE CANOPY OF A GAZEBO. TIME ESTIMATED FROM RADAR.
July 15, 2021
1:39 AM CT
GenoaILPHOTO SHARED ON SOCIAL MEDIA OF A LARGE TREE LIMB SNAPPED IN GENOA. TIME ESTIMATED FROM RADAR.
Showing 11 public wind reports

This table includes only public storm reports connected to the July 14, 2021 Janesville, WI storm event. When available, each report may include the time, size or magnitude, city, state, and a short description.

Related Hail Maps

Related Hail Maps in the Janesville, WI Region

We found 6 more hail maps with reports from the same Janesville, WI region as the July 14, 2021 event. These related maps cover storm dates from Jun 12, 2021 through Jul 7, 2021, with mapped hail estimates ranging from 0.75" to 4.00". In this set, the strongest related map reached 4.00", and the most recent map shown is from Jul 7, 2021.

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.

Remote Hail Inspection

Local Hail Review Options Near Janesville, WI

Not sure whether the July 14, 2021 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.

Get a Free Hail Report by Address

Check a specific property to see whether hail activity from the July 14, 2021 Janesville, WI event — or another recent hail event — may have been mapped at that address.

A Participating Local Pro

Find a roof or exterior pro serving the Janesville, WI region who can help you understand what the property hail signal may mean.

Remote Hail Inspection

A participating local pro reviews property-level hail history remotely — not just the July 14, 2021 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 July 14, 2021 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.

FAQ

Frequently Asked Questions

Common questions about the July 14, 2021 Janesville, WI hail event.

How big was the hail in Janesville, WI on July 14, 2021?
Mapped hail estimates reached up to 1.75" in the Janesville, WI area on July 14, 2021.
How accurate is this Janesville, WI hail map?
This hail map is based on mapped hail estimates, with public storm report context shown where available. It helps show where stronger hail may have occurred during the July 14, 2021 storm event, but it does not confirm property damage at any one address.
What does the Event Inspection Score of Moderate mean?
For this Janesville, WI event, the Event Inspection Score is Moderate. The score reflects how strong the hail-history signal is and whether a closer roof or exterior review may make sense. A higher score means a stronger signal, not confirmed damage.
How many people were in the Janesville, WI hail area?
An estimated 7,701 people live inside the mapped hail footprint, which covers about 137 square miles. This is an estimate of residents inside the storm area, not a count of people who reported damage.
How many storm reports came from this event?
For the July 14, 2021 Janesville, WI event, public storm report tables currently list 0 hail reports, 11 wind reports, and 0 tornado reports. Public reports are point observations and are not available for every location.
Can I use this Janesville, WI hail map for my business or content?
Yes. This hail map is free to use and share for marketing, print, blogs, content, research, and similar uses as long as attribution is included with a link back to this page. Use the Share button on the map to copy a ready-made credit line. Use is also subject to our Terms of Use.
How often is this hail map updated?
This event map was generated shortly after the storm and was last reviewed on August 27, 2026. It may be updated as additional hail data or public storm reports become available.
My home is in the Janesville, WI area — what should I do?
If your address falls inside a mapped hail band from the July 14, 2021 storm event, check a free Hail Report by Address for an address-level first look. You can also ask a qualified local pro whether a closer roof or exterior review may make sense.
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