Hail Swath Map Preview
The Sioux City, IA hail swath map preview was last reviewed on August 27, 2026 and shows mapped hail estimates up to 0.75". There are 0 public hail reports, 25 public wind reports, and 11 nearby tornado reports listed for the December 15, 2021 event.
View the December 15, 2021 Sioux City, IA 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 Sioux City, IA Hail Map
The December 15, 2021 hail swath map for Sioux City, IA covers approximately 637 square miles and includes an estimated 7,024 people inside the mapped footprint. The largest mapped area is in the < 0.50" hail band, covering 388 square miles. The highest estimated population exposure is in the < 0.50" hail band with 4,465 people.
| Mapped Hail Band | Impact Area | Population |
|---|---|---|
| < 0.50" | 388 sq mi | 4,465 |
| 0.50-0.75" | 236 sq mi | 2,422 |
| 0.75-1.00" | 13 sq mi | 137 |
Get a free Hail Report by ZIP to see a more local hail signal and whether the December 15, 2021 Sioux City, IA hail event may have reached your area.
Housing Exposure Inside the Sioux City, IA Hail Swath Map
Inside the December 15, 2021 hail swath map area for Sioux City, IA, HailGeeks estimates 3,303 single-family homes, 67 townhomes, and 242 multifamily properties within the mapped storm footprint. Single-family-home exposure is highest in the < 0.50" hail band, with 2,061 single-family homes.
| Mapped Hail Band | Single-Family | Townhomes | Multifamily |
|---|---|---|---|
| < 0.50" | 2,061 | 45 | 160 |
| 0.50-0.75" | 1,171 | 21 | 80 |
| 0.75-1.00" | 71 | 1 | 2 |
Use this table to review housing exposure by hail band for the December 15, 2021 Sioux City, IA hail map. To check a specific property more closely, use a free Hail Report by Address.
Counties Inside the Sioux City, IA Hail Map
Hail from the December 15, 2021 storm was mapped across 13 counties in the Sioux City, IA region. Woodbury County, IA had the strongest mapped signal, peaking at 0.75" with roughly 1,453 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 Sioux City, IA Hail Map
Zooming in, the swath touched 8 cities near Sioux City, IA. West Point, NE had the strongest mapped signal at 0.50", with an estimated 119 single-family homes exposed.
City cards show where the December 15, 2021 Sioux City, IA 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 Sioux City, IA Hail Swath Map
At the ZIP level, the December 15, 2021 Sioux City, IA hail map spans 24 ZIP codes. ZIP 68788 shows the strongest local signal, with mapped hail estimates up to 0.75" and an estimated single-family-home exposure of 698.
Check your ZIP in seconds to see whether hail activity from the December 15, 2021 Sioux City, IA event was mapped near your area.
Public Hail, Wind, and Tornado Reports
Public storm report tables connected to the December 15, 2021 hail map for Sioux City, IA currently list 0 public hail reports, 25 public wind reports, and 11 tornado reports.
| Date & Time | Hail Size | City | State | Description |
|---|---|---|---|---|
| No public hail reports are available for this event. | ||||
| Date & Time | Wind Speed | City | State | Description |
|---|---|---|---|---|
December 15, 2021 3:46 PM CT | 7 NE Beemer | NE | DELAYED REPORT... TIME ESTIMATED FROM RADAR. REPORT FROM MPING: 3-INCH TREE LIMBS BROKEN; POWER POLES BROKEN. | |
December 15, 2021 3:56 PM CT | Oakland | NE | DELAYED REPORT... TIME ESTIMATED FROM RADAR. REPORT FROM MPING: 3-INCH TREE LIMBS BROKEN; POWER POLES BROKEN. | |
December 15, 2021 4:10 PM CT | Homer | NE | ELECTRIC POLE BLOWN DOWN. TIME ESTIMATED FROM RADAR. | |
December 15, 2021 4:11 PM CT | Oakland | NE | REPORT FROM MPING: 3-INCH TREE LIMBS BROKEN; POWER POLES BROKEN. | |
December 15, 2021 4:19 PM CT | Hornick | IA | OVERTURNED PROPANE TANKS. TIME ESTIMATED FROM RADAR. | |
December 15, 2021 4:20 PM CT | 4 W Bronson | IA | BUILDING DAMAGED. TIME ESTIMATED FROM RADAR. | |
December 15, 2021 4:21 PM CT | 2 E Sergeant Bluff | IA | ROOFS OFF A COUPLE OF HOMES BETWEEN SERGEANT BLUFF AND BRONSON. TIME ESTIMATED FROM RADAR. | |
December 15, 2021 4:21 PM CT | 5 WNW Sioux City | IA | TREE UPROOTED. REPORT VIA SOCIAL MEDIA AND TIME ESTIMATED FROM RADAR. | |
December 15, 2021 4:24 PM CT | 4 ENE Sergeant Bluff | IA | DAMAGE TO BUILDING. | |
December 15, 2021 4:25 PM CT | 3 SE Sioux City | IA | POWER POLES LEARNING. REPORT RECEIVED VIA SOCIAL MEDIA. TIME ESTIMATED FROM RADAR. | |
December 15, 2021 4:31 PM CT | 2 E Lawton | IA | POWER LINES DOWN ACROSS HWY 20. TIME ESTIMATED FROM RADAR. | |
December 15, 2021 4:31 PM CT | 2 ENE Lawton | IA | POLE SHED ROOF OFF WITH DEBRIS BLOWN INTO FIELD. TIME ESTIMATED FROM RADAR. | |
December 15, 2021 4:34 PM CT | 1 W Anthon | IA | CATTLE BARN AND GARAGE DAMAGED. TIME ESTIMATED FROM RADAR. | |
December 15, 2021 4:35 PM CT | Kingsley | IA | ROOF TOWN OFF OF BUILDING. TIME ESTIMATED FROM RADAR. | |
December 15, 2021 4:43 PM CT | 2 NW Battle Creek | IA | MACHINE SHED DAMAGED. TIME ESTIMATED FROM RADAR. | |
December 15, 2021 4:48 PM CT | 6 NW Ida Grove | IA | MACHINE SHED DAMAGE. TIME ESTIMATED FROM RADAR. | |
December 15, 2021 4:50 PM CT | 4 SSE Holstein | IA | TREES DOWN. TIME ESTIMATED FROM RADAR. | |
December 15, 2021 4:52 PM CT | 6 SSW Cleghorn | IA | MACHINE SHED DESTROYED AND GRAVITY WAGON TIPPED OVER. REPORT VIA SOCIAL MEDIA. | |
December 15, 2021 4:56 PM CT | 1 SSW Marcus | IA | ROOFS WERE BLOWN OFF OF A FEW BUILDINGS AND SEMI WAS BLOWN OFF THE ROAD. TIME ESTIMATED FROM RADAR. | |
December 15, 2021 4:57 PM CT | 2 NNW Galva | IA | HOUSE DAMAGED WITH ROOF TORN OFF. HOOP BARN DESTROYED AND 100 YEAR OLD MARCHINE SHED DESTOYED. TIME ESTIMATED FROM RADAR. | |
December 15, 2021 5:03 PM CT | Aurelia | IA | UPDATES PREVIOUS TSTM WND DMG REPORT FROM AURELIA. SILO DAMAGED... TREES DOWN AND SHEET METAL FROM BUILDINGS ON ROAD. 3 RAIL CARS BLOWN OVER... AND A HOME DESTROYED. POWER OUT IN TOWN. TIME ESTIMATED FROM RADAR. | |
December 15, 2021 5:04 PM CT | Larrabee | IA | DAMAGE TO MACHINE SHEDS AND SOME ROOFS DAMAGE. TIME ESTIMATED FROM RADAR. | |
December 15, 2021 5:10 PM CT | 2 SSE Sutherland | IA | DESTROYED BUILDING BLOCKING HIGHWAY 10 SOUTH OF SUTHERLAND. TIME ESTIMATED FROM RADAR. | |
December 15, 2021 5:11 PM CT | Sutherland | IA | LARGE TREE BRANCH DOWN IN TOWN. TIME ESTIMATED FROM RADAR. | |
December 15, 2021 4:23 PM CT | 82 mph | 1 WSW Sergeant Bluff | IA | No National Weather Service description provided. |
| Date & Time | Rating | City | State | Description |
|---|---|---|---|---|
December 15, 2021 3:31 PM CT | UNK | 3 NNE Howells | NE | A TORNADO DEVELOPED IN A FIELD NEAR 3RD ROAD SOUTH OF C ROAD AND QUICKLY MOVED NORTHEAST TO CAUSE ROOF DAMAGE TO LARGE ANIMAL BARNS WHERE A SUBSTANTIAL AMOUNT OF ROOFING TIN WERE REMOVED. THE TORNADO PROCEEDED ACROSS OPEN FIELDS BEFORE SEVERELY IMPACTING A FARM NEAR 4TH AND E ROAD. THE FARM PLACE HAD A SMALL SHED BLOWN APPROXIMATELY 100 YARDS. A SECOND BRAND NEW LARGER SHED WAS COMPLETELY DESTROYED AND A VERY LARGE SHED WITH EQUIPMENT INSIDE WAS ALSO COMPLETELY DESTROYED. THERE WAS MINOR ROOF AND SIDING DAMAGE TO THE HOME AND TO ANOTHER LARGE SHED... AS WELL AS SOME FENCES. THE TORNADO PROCEEDED NORTHEAST TO ANOTHER HOG FARM WHERE IT REMOVED LARGE SECTIONS OF ROOF FROM TWO LARGE BARNS. THE DEBRIS WERE DEPOSITED WELL INTO A FIELD DOWNSTREAM. THE TRACK WAS THEN INTERMITTENT FOR 1.5 MILES AS THERE WERE FEW IF ANY AVAILABLE DAMAGE INDICATORS IN AG FIELDS BEFORE IT CAUSED ADDITIONAL DAMAGE TO 5 POWER POLES AND ANOTHER ANIMAL BARN WHERE MUCH OF THE BARN WAS REMOVED AND BLOWN INTO THE NEARBY |
December 15, 2021 3:37 PM CT | UNK | 6 W West Point | NE | A BRIEF TORNADO DEVELOPED IN A FIELD AND THEN TRAVELLED NORTH NORTHEAST WHERE IT SNAPPED 5 WOODEN POWER POLES AND THEN CAUSED TREE DAMAGE IN A GROVE OF TREES. |
December 15, 2021 3:37 PM CT | UNK | 5 NNW Snyder | NE | AN INTERMITTENT PATH OF DAMAGE ACROSS OPEN FIELDS BUT SNAPPED OFF POWER POLES IN MULTIPLE LOCATIONS... AND ALSO CAUSED ROOF DAMAGE TO A SHED. |
December 15, 2021 3:40 PM CT | UNK | Beemer | NE | CONFIRMED TORNADO BY FIRE DEPARTMENT. |
December 15, 2021 3:41 PM CT | UNK | 3 SSE Beemer | NE | A BRIEF TORNADO SNAPPED TREES AND CAUSED MINOR ROOF DAMAGE TO A HOME BEFORE DESTROYING A 40 BY 60 FOOT SHED AND MOVING A FARM GRAVITY WAGON APPROXIMATELY 100 YARDS WHILE CONTINUING TO DAMAGE TREES. WITNESSES NOTED THAT THIS WAS A BRIEF TORNADO BUT THEY DID SEE THE FUNNEL CLOUD AT THE SITE OF THE DAMAGE. |
December 15, 2021 3:44 PM CT | UNK | 3 ESE Beemer | NE | THIS TORNADO IMPACTED SEVERAL FARMS AND RESIDENCES ALONG ITS 11 MILE TRACK WITH AT LEAST 5 POINTS SUGGESTING EF2 DAMAGE WITH MAXIMUM WINDS OF APPROXIMATELY 120 MPH. THIS TORNADO ALSO HAD ONE OF THE WIDER PATHS IN THIS REGION ON DECEMBER 15 WHERE AT ONE POINT THE TREE PATTERN SUGGESTED 200 YARD WIDTH. THE TORNADO DESTROYED SEVERAL BARNS... INCLUDING SOME WELL-BUILT LARGE STRUCTURES. IT ALSO CAUSED SUBSTANTIAL POWER LINE DAMAGE... SNAPPING SEVERAL POWER POLES IN MULTIPLE LOCATIONS. |
December 15, 2021 3:53 PM CT | UNK | 2 WSW Bancroft | NE | NUMEROUS LARGE PINE TREES UPROOTED. NUMEROUS HARDWOOD TREES LIMBS GREATER THAN 6 INCHES SNAPPED AND BROKEN OFF. WINDMILL COLLAPSED AT BASE. SHINGLES AND NAILED GUTTER TORN FROM HOME. DAMAGE WIDTH 10-20 YARDS. TORNADO DEVELOPED APPROXIMATELY 1.5 MILES SOUTH SOUTHWEST 3:51PM AND REMAINED INTERMITTENTLY ON THE GROUND FOR 7 MILES TO THE CUMING- THURSTON COUNTY LINE... EXITING COUNTY 1/10 MI SOUTH OF X ROAD AND 25TH ROAD INTERSECTION. |
December 15, 2021 3:59 PM CT | UNK | 3 NW Rosalie | NE | BARN ROOF COLLAPSE AND CAVED WALLS. PANELS FROM METAL OUTBUILDING REMOVED. WIDTH 10-15 YARDS. TORNADO ENTERED COUNTY 1/4 MILE SOUTH OF O AVENUE AND 25TH ROAD INTERSECTION. TORNADO REMAINED INTERMITTENTLY ON THE GROUND FOR 2 MILES ENDING NEAR COORDINATES 42.10... -96.54. |
December 15, 2021 4:17 PM CT | UNK | 2 S Salix | IA | No National Weather Service description provided. |
December 15, 2021 4:17 PM CT | UNK | 2 SW Bronson | IA | No National Weather Service description provided. |
December 15, 2021 4:33 PM CT | UNK | 3 ENE Lawton | IA | REPORT OF POWER FLASHES FROM POWER LINES. |
This table includes only public storm reports connected to the December 15, 2021 Sioux City, IA storm event. When available, each report may include the time, size or magnitude, city, state, and a short description.
Related Hail Maps in the Sioux City, IA Region
We found 6 more hail maps with reports from the same Sioux City, IA region as the December 15, 2021 event. These related maps cover storm dates from Sep 10, 2021 through Nov 6, 2021, 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 Nov 6, 2021.
If none of these related Sioux City, IA 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 Sioux City, IA region — so you can check whether hail activity may have reached your property.
Local Hail Review Options Near Sioux City, IA
Not sure whether the December 15, 2021 Sioux City, IA 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 Sioux City, IA 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 December 15, 2021 Sioux City, IA event — or another recent hail event — may have been mapped at that address.
Find a roof or exterior pro serving the Sioux City, IA 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 December 15, 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 December 15, 2021 hail map visuals alone. They do not confirm property damage and do not replace an on-site inspection for a property in the Sioux City, IA 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 December 15, 2021 Sioux City, IA hail event.