Cass County Hail Map & Storm Reports
Hail, wind, and tornado reports from official NOAA sources (NWS & SPC) · Last 12 months · Updated Nov 2, 2026
Has it hailed in Cass County, Iowa recently? Official National Weather Service (NWS) and Storm Prediction Center (SPC) records say yes: 8 hail reports with hail up to 1.5", among 41 severe weather events logged here in the last 12 months, together with 33 high-wind reports with gusts up to 70 mph. The most recent recorded storm activity was on Sep 15, 2026. This page updates daily: every event comes straight from official NOAA data — no estimates, no modeling, just the record.
Cass County hail map
Where hail and high-wind reports clustered across Cass County over the last 12 months. Heat shows report density and significance, not radar.
What the radar showed
Storm exposure for an address in Cass County
Get a free report in your folder. A city is enough if you do not have a street.
Storm log — the official record, day by day
Events older than 30 days, as recorded by the National Weather Service and Storm Prediction Center. Excerpts are quoted directly from official warnings and verified reports.
Tuesday, September 15, 2026
2 NWS warnings — wind gusts up to 55 mph
“At 126 AM CDT, Doppler radar was tracking a strong thunderstorm 5 miles southwest of Guthrie Center, moving northeast at 45 mph. Hazard: Wind gusts of 50 to 55 mph and heavy rainfall of one to two inches. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Ponding of water on roadways, low visibilities, and rises in small streams and creeks.”
“At 1259 AM CDT, trained weather spotters reported a strong thunderstorm 13 miles southeast of Audubon, moving northeast at 45 mph. Hazard: Wind gusts of 50 to 55 mph and heavy rainfall of one to two inches. Casey. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Ponding of water on roadways, low visibilities, and rises in small streams and creeks.”
- Wind 55 mph Cass County NWS severe weather mention
- Wind 55 mph Cass County NWS severe weather mention
Monday, September 14, 2026
1 NWS warning — hail up to 0.88"
“At 1033 AM CDT, Doppler radar was tracking a strong thunderstorm 5 miles south of Atlantic, moving northeast at 50 mph. Hazard: Nickel size hail. Impact: Minor hail damage to vegetation is possible. Locations impacted include...”
- Hail 0.88" Cass County NWS severe weather mention
Sunday, September 6, 2026
1 SPC verified storm report — hail up to 1"
“Pea to quarter sized hail north of Atlantic. Time estimated from radar. (DMX)”
- Hail 1" 2 N Atlantic SPC verified report
Sunday, August 16, 2026
1 NWS warning — wind gusts up to 50 mph
“An area of showers and thunderstorms is moving slowly from southwestern into south central Iowa this morning. As it does so, wind gusts of 40 to 50 MPH will occur at times, mainly near and south of Highway 34.”
- Wind 50 mph Cass County NWS severe weather mention
Saturday, August 8, 2026
1 NWS warning — wind gusts up to 50 mph
“At 208 PM CDT, A cluster of strong thunderstorms were reported along a line extending from near Eppley Airfield to 5 miles southwest of Offutt AFB to 3 miles east of Murdock. Movement was southeast at 30 mph. Hazard: Wind gusts up to 50 mph. mph. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include...”
- Wind 50 mph Cass County NWS severe weather mention
Saturday, June 13, 2026
1 NWS warning — hail up to 0.5"
“At 806 AM CDT, Doppler radar was tracking strong thunderstorms along a line extending from 6 miles south of Hooper to near Woodcliff to 2 miles southwest of Leshara to near Ithaca. Movement was east at 45 mph. Hazard: Wind gusts up to 50 mph and half inch hail. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to vegetation is possible.”
- Hail 0.5" Cass County NWS severe weather mention
Thursday, June 11, 2026
4 SPC verified storm reports — wind gusts up to 65 mph
“Measured from personal weather station. (DMX)”
“Delayed report - time estimated by radar. Received photo from trained spotter of tree limb down. (DMX)”
- Wind 65 mph Griswold SPC verified report
- Wind Unknown 3 WNW Anita SPC verified report
- Wind Unknown 1 NNE ATLANTIC SPC verified report
- Wind Unknown Atlantic SPC verified report
Friday, June 5, 2026
3 SPC verified storm reports — hail up to 1.5", wind gusts up to 65 mph
“Reports of power flashes and ping pong ball sized hail south of Massena. (DMX)”
“Measured from personal weather station. (DMX)”
- Hail 1.5" 3 S Massena SPC verified report
- Wind 65 mph Griswold SPC verified report
- Hail 1" 4 S Massena SPC verified report
Thursday, April 9, 2026
1 NWS warning — hail up to 0.75"
“At 644 PM CDT, Doppler radar was tracking a strong thunderstorm over Grant, or 15 miles northwest of Corning, moving east at 40 mph. Hazard: Penny size hail and heavy rainfall of one to two inches. Impact: Minor hail damage to vegetation is possible. Ponding of water on roadways, low visibilities, and rises in small streams and creeks. Locations impacted include...”
- Hail 0.75" Cass County NWS severe weather mention
Monday, March 30, 2026
1 SPC verified storm report — hail up to 1"
- Hail 1" 6 ENE Marne SPC verified report
Saturday, March 28, 2026
1 NWS warning — wind gusts up to 50 mph
“AFFECTED AREA...Knox, Cedar, Thurston, Antelope, Pierce, Wayne, Boone, Madison, Stanton, Cuming, Burt, Platte, Monona, Colfax, Dodge, Washington, Butler, Saunders, Douglas, Sarpy, Harrison, Shelby, Seward, Lancaster, Cass, Otoe, Pottawattamie, Saline, Mills, Montgomery, Jefferson, Gage, Fremont, Johnson, Page, Nemaha, Pawnee, and Richardson Counties. TIMING...From 9 AM to 10 PM CDT this evening.”
- Wind 50 mph Cass County NWS severe weather mention
Friday, March 27, 2026
1 NWS warning — wind gusts up to 55 mph
“The National Weather Service in Omaha/Valley has cancelled the Red Flag Warning. AFFECTED AREA...Thurston, Boone, Madison, Stanton, Cuming, Burt, Platte, Monona, Colfax, Dodge, Washington, Butler, Saunders, Douglas, Sarpy, Harrison, Shelby, Seward, Lancaster, Cass, Otoe, Pottawattamie, Saline, Mills, Montgomery, Jefferson, Gage, Fremont, Johnson, Page, Nemaha, Pawnee, and Richardson Counties.”
- Wind 55 mph Cass County NWS severe weather mention
Sunday, March 15, 2026
6 NWS warnings — wind gusts up to 65 mph
“...BLIZZARD CONDITIONS DEVELOPING AND PERSISTING TONIGHT... .A significant winter storm will move across the area through tonight. Widespread snow will fall across Iowa with higher amounts of 6+ inches possible north and east. Winds will gust 55 to 65+ mph, resulting in significant drifting of snow and visibility reductions to white-out conditions at times.”
“WHAT...Northwest winds 30 to 40 mph with gusts up to 55 to 65 mph expected. The highest wind gusts will be late this afternoon and this evening. WHERE...Portions of central, north central, northeast, northwest, south central, southeast, southwest, and west central Iowa. WHEN...Until 4 AM CDT Monday. IMPACTS...Damaging winds could blow down trees and power lines. Power outages are possible.”
- Wind 65 mph Cass County NWS severe weather mention
- Wind 65 mph Cass County NWS severe weather mention
- Wind 60 mph Cass County NWS severe weather mention
- Wind 55 mph Cass County NWS severe weather mention
- Wind 55 mph Cass County NWS severe weather mention
- Wind 55 mph Cass County NWS severe weather mention
Saturday, March 14, 2026
4 NWS warnings — wind gusts up to 70 mph
“WHAT...Northwest winds 35 to 45 mph with gusts up to 65 mph expected. A few isolated gusts to 70 mph are possible. WHERE...Portions of eastern Nebraska and west-central into southwest Iowa. WHEN...From 7 AM Sunday to 1 AM CDT Monday. IMPACTS...Damaging winds will blow down trees and power lines. Widespread power outages may occur. Travel will be difficult, especially for high profile vehicles.”
“WHAT...Northwest winds 35 to 45 mph with gusts up to 65 mph expected. A few gusts to 70 mph possible. WHERE...Portions of southwest and west central Iowa and east central, northeast, and southeast Nebraska. WHEN...From 7 AM Sunday to 1 AM CDT Monday. IMPACTS...Very strong winds may cause damage to trees and isolated to scattered power outages.”
- Wind 70 mph Cass County NWS severe weather mention
- Wind 70 mph Cass County NWS severe weather mention
- Wind 65 mph Cass County NWS severe weather mention
- Wind 60 mph Cass County NWS severe weather mention
Friday, March 13, 2026
2 NWS warnings — wind gusts up to 60 mph
“WHAT...Northwest winds 30 to 40 mph with gusts up to 60 mph possible. WHERE...Portions of southwest and west central Iowa and east central, northeast, and southeast Nebraska. WHEN...From Sunday morning through late Sunday night. IMPACTS...Damaging winds could blow down trees and power lines. Some power outages are possible. Travel could be difficult, especially for high profile vehicles.”
“WHAT...Northwest winds 30 to 40 mph with gusts up to 60 mph possible. WHERE...Portions of southwest and west central Iowa and east central, northeast, and southeast Nebraska. WHEN...From Sunday morning through late Sunday night. IMPACTS...Damaging winds could blow down trees and power lines. Widespread power outages are possible. Travel could be difficult, especially for high profile vehicles.”
- Wind 60 mph Cass County NWS severe weather mention
- Wind 60 mph Cass County NWS severe weather mention
Thursday, March 12, 2026
7 NWS warnings — wind gusts up to 60 mph
“AFFECTED AREA...Knox, Cedar, Thurston, Antelope, Pierce, Wayne, Boone, Madison, Stanton, Cuming, Burt, Platte, Monona, Colfax, Dodge, Washington, Butler, Saunders, Douglas, Sarpy, Harrison, Shelby, Seward, Lancaster, Cass, Otoe, Pottawattamie, Saline, Mills, Montgomery, Jefferson, Gage, Fremont, Johnson, Page, Nemaha, Pawnee, and Richardson Counties. TIMING...Until midnight CDT tonight.”
“AFFECTED AREA...Knox, Cedar, Thurston, Antelope, Pierce, Wayne, Boone, Madison, Stanton, Cuming, Burt, Platte, Monona, Colfax, Dodge, Washington, Butler, Saunders, Douglas, Sarpy, Harrison, Shelby, Seward, Lancaster, Cass, Otoe, Pottawattamie, Saline, Mills, Montgomery, Jefferson, Gage, Fremont, Johnson, Page, Nemaha, Pawnee, and Richardson Counties. TIMING...Until 9 PM CDT this evening.”
- Wind 60 mph Cass County NWS severe weather mention
- Wind 60 mph Cass County NWS severe weather mention
- Wind 60 mph Cass County NWS severe weather mention
- Wind 50 mph Cass County NWS severe weather mention
- Wind 50 mph Cass County NWS severe weather mention
- Wind 50 mph Cass County NWS severe weather mention
- Wind 50 mph Cass County NWS severe weather mention
Wednesday, March 11, 2026
1 NWS warning — wind gusts up to 60 mph
“WHAT...Northwest winds 20 to 30 mph with gusts up to 60 mph possible. WHERE...In Iowa, Mills, Montgomery, and Pottawattamie Counties. In Nebraska, Butler, Douglas, Sarpy, Saunders, Cass, Lancaster, and Seward Counties. WHEN...From Thursday evening through late Thursday night. IMPACTS...Damaging winds could blow down trees and power lines. Some power outages are possible.”
- Wind 60 mph Cass County NWS severe weather mention
Wednesday, February 18, 2026
1 NWS warning — wind gusts up to 50 mph
“...Critical Fire Weather Conditions Continue This Afternoon... .Strong and gusty west winds combined with very low relative humidity and cured fuels are resulting in conditions conducive for rapid fire growth. AFFECTED AREA...All of central Iowa. WIND...West wind 25 to 35 mph with gusts up to 50 mph. HUMIDITY...Minimum relative humidity values of 15 to 25%.”
- Wind 50 mph Cass County NWS severe weather mention
Tuesday, February 17, 2026
1 NWS warning — wind gusts up to 50 mph
“...Critical Fire Weather Conditions are Expected Wednesday... .Strong and gusty west wind combined with very low relative humidity and cured fuels will lead to conditions conducive for very fast fire growth. The National Weather Service in Des Moines has issued a Red Flag Warning, which is in effect from 10 AM to 7 PM CST Wednesday. The Fire Weather Watch is no longer in effect.”
- Wind 50 mph Cass County NWS severe weather mention
Monday, November 17, 2025
1 NWS warning — hail up to 0.25"
“At 1129 PM CST, Doppler radar was tracking a strong thunderstorm near Coon Rapids, or 12 miles northwest of Guthrie Center, moving northeast at 45 mph. Hazard: Pea size hail. Impact: Minor hail damage to vegetation is possible. Locations impacted include...”
- Hail 0.25" Cass County NWS severe weather mention
Today's severe weather outlook
Common questions
When was the last severe storm in Cass County, IA?
The most recent recorded event was on Sep 15, 2026. Official NWS and SPC records show 41 severe weather events in Cass County over the last 12 months. Exact dates and locations for recent storms are available in the app with a free account.
Did it hail in Cass County recently?
Yes — 8 hail reports in the last 12 months, with hail up to 1.5" recorded. The hail map above shows where reports clustered; the storm log lists each day.
How do I see hail history for a specific address in Cass County?
Create a free IDOLCheck account and run an address check. It shows verified storm reports and official NWS warning boundaries around any specific property, including the most recent 30 days — county-level pages like this one only tell part of the story.