Sac County Storm Activity
Wind, hail, and tornado activity from official NOAA sources (NWS & SPC) · Last 12 months · Updated Sep 12, 2026
Looking for storm and wind reports in Sac County, Iowa? Official National Weather Service (NWS) and Storm Prediction Center (SPC) records show 30 severe weather events in the last 12 months — 29 high-wind reports with gusts up to 70 mph, plus 1 hail report with hail up to 0.5". The most recent recorded storm activity was on May 16, 2026. This page updates daily: every event comes straight from official NOAA data — no estimates, no modeling, just the record.
What the radar showed
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Check an address free →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.
Saturday, May 16, 2026
1 SPC verified storm report — wind gusts up to 70 mph
- Wind 70 mph Sac City SPC verified report
Friday, April 3, 2026
1 NWS warning — hail up to 0.5"
“At 423 PM CDT, Doppler radar was tracking a strong thunderstorm 6 miles southeast of Denison, moving northeast at 55 mph. Hazard: Half inch hail. Impact: Minor hail damage to vegetation is possible. Locations impacted include... Denison, Wall Lake, Manilla, Arcadia, Breda, Vail, Westside, Buck Grove, Wall Lake Municipal Airport, and Denison Municipal Airport.”
- Hail 0.5" Sac 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 Sac County NWS severe weather mention
- Wind 65 mph Sac County NWS severe weather mention
- Wind 65 mph Sac County NWS severe weather mention
- Wind 65 mph Sac County NWS severe weather mention
- Wind 55 mph Sac County NWS severe weather mention
- Wind 55 mph Sac County NWS severe weather mention
Saturday, March 14, 2026
2 NWS warnings — wind gusts up to 65 mph
“...BLIZZARD CONDITIONS SUNDAY INTO MONDAY MORNING... .A significant winter storm will impact parts of the Upper Midwest this weekend, mainly from Sunday through Monday morning. Widespread snow will fall across Iowa with higher amounts of 6+ inches possible north and east. Winds will gust 55-65+ mph, resulting in significant drifting of snow and visibility reductions.”
“...BLIZZARD CONDITIONS SUNDAY INTO MONDAY MORNING... .A significant winter storm will impact parts of the Upper Midwest this weekend, mainly from Sunday through Monday morning. Widespread snow will fall across Iowa with higher amounts of 6+ inches possible north and east. Winds will gust 55-65+ mph, resulting in significant drifting of snow and visibility reductions.”
- Wind 65 mph Sac County NWS severe weather mention
- Wind 65 mph Sac County NWS severe weather mention
Friday, March 13, 2026
1 NWS warning — wind gusts up to 65 mph
“WHAT...West to northwest winds 30 to 40 mph with gusts up to around 60 mph expected. Isolated gusts of 60 to 65 mph are possible. WHERE...Central and northern Iowa, including I-35 and I-80. WHEN...Until 7 AM CDT this morning. IMPACTS...Damaging winds will blow down trees and power lines. Widespread power outages are expected. Travel will be difficult, especially for high profile vehicles.”
- Wind 65 mph Sac County NWS severe weather mention
Thursday, March 12, 2026
4 NWS warnings — wind gusts up to 65 mph
“WHAT...West to northwest winds 30 to 40 mph with gusts up to around 60 mph expected. Isolated gusts of 60 to 65 mph are possible. WHERE...Central and northern Iowa, including I-35 and I-80. WHEN...Until 7 AM CDT Friday. IMPACTS...Damaging winds will blow down trees and power lines. Widespread power outages are expected. Travel will be difficult, especially for high profile vehicles.”
“WHAT...West to northwest winds 30 to 35 mph with gusts up to 60 mph expected. WHERE...Central and northern Iowa. WHEN...From 10 PM tonight to 7 AM CDT Friday. IMPACTS...Damaging winds will blow down trees and power lines. Widespread power outages are expected. Travel will be difficult, especially for high profile vehicles.”
- Wind 65 mph Sac County NWS severe weather mention
- Wind 60 mph Sac County NWS severe weather mention
- Wind 60 mph Sac County NWS severe weather mention
- Wind 60 mph Sac County NWS severe weather mention
Wednesday, March 11, 2026
2 NWS warnings — wind gusts up to 60 mph
“WHAT...West to northwest winds sustained at 30 to 35 mph with gusts up to 60 mph possible. WHERE...Much of northern Iowa and portions of central Iowa. WHEN...From Thursday night into Friday morning. IMPACTS...Damaging winds could blow down trees and power lines. Widespread power outages are possible. Travel could be difficult, especially for high profile vehicles on north south roads.”
“WHAT...West to northwest winds sustained at 25 to 35 mph with gusts up to 60 mph possible. WHERE...Much of northern Iowa and portions of central Iowa. WHEN...From Thursday night into Friday morning. IMPACTS...Damaging winds could blow down trees and power lines. Widespread power outages are possible. Travel could be difficult, especially for high profile vehicles on north south roads.”
- Wind 60 mph Sac County NWS severe weather mention
- Wind 60 mph Sac County NWS severe weather mention
Wednesday, February 18, 2026
5 NWS warnings — wind gusts up to 55 mph
“WHAT...West winds 25 to 35 mph with gusts up to 55 mph expected. WHERE...Portions of northwest Iowa. WHEN...Until 4 PM CST this afternoon. IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.”
“WHAT...West winds 25 to 35 mph with gusts up to 55 mph expected. WHERE...Portions of northwest into west central Iowa. WHEN...Until 4 PM CST this afternoon. IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.”
- Wind 55 mph Sac County NWS severe weather mention
- Wind 55 mph Sac County NWS severe weather mention
- Wind 55 mph Sac County NWS severe weather mention
- Wind 50 mph Sac County NWS severe weather mention
- Wind 50 mph Sac County NWS severe weather mention
Tuesday, February 17, 2026
2 NWS warnings — wind gusts up to 50 mph
“WHAT...West winds 25 to 35 mph with gusts up to 50 mph expected. WHERE...Portions of central, north central, northeast, northwest, and west central Iowa. WHEN...From 8 AM to 4 PM CST Wednesday. IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.”
“...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 Sac County NWS severe weather mention
- Wind 50 mph Sac County NWS severe weather mention
Sunday, January 18, 2026
1 NWS warning — wind gusts up to 55 mph
“WHAT...Localized snow showers and blowing snow. Additional snow accumulations of a dusting. Winds gusts of 40 to 50 mph with a few gusts to 55 mph possible. WHERE...Portions of northern into north central Iowa. WHEN...Until midnight CST tonight. IMPACTS...Plan on periods of reduced visibility. Gusty winds could also bring down tree branches.”
- Wind 55 mph Sac County NWS severe weather mention
Friday, January 16, 2026
2 NWS warnings — wind gusts up to 50 mph
“...PERIODS OF SNOW SHOWERS OR SNOW SQUALLS POSSIBLE THROUGH EARLY EVENING... .Snow showers and snow squalls remain possible through early this evening. This activity may bring brief but intense snow rates, which will reduce visibility to a quarter mile or less at times, and quickly cover roads creating hazardous travel conditions.”
“...LOCALIZED WHITEOUT CONDITIONS EXPECTED IN SNOW SQUALLS TODAY... .Snow showers and snow squalls will become more widespread this afternoon as a cold front arrives from northwest. This activity will move southeast by the afternoon before diminishing tonight.”
- Wind 50 mph Sac County NWS severe weather mention
- Wind 50 mph Sac County NWS severe weather mention
Tuesday, December 9, 2025
2 NWS warnings — wind gusts up to 60 mph
“...BLIZZARD CONDITIONS MAY OCCUR DUE TO SIGNIFICANT BLOWING SNOW TONIGHT THROUGH WEDNESDAY MORNING... .Very strong winds will develop this evening and tonight, with the strong wind gusts persisting into Wednesday morning. Wind gusts of 50 to 60 mph are expected. Much of the area has 6 inches or more of snow on the ground.”
“...BLIZZARD CONDITIONS MAY OCCUR DUE TO SIGNIFICANT BLOWING SNOW TUESDAY NIGHT AND WEDNESDAY MORNING... .Very strong winds will develop Tuesday evening with the strong wind gusts persisting into Wednesday morning. Wind gusts of 50 to 60 mph are expected. Much of the area has 6 inches or more of snow on the ground.”
- Wind 60 mph Sac County NWS severe weather mention
- Wind 60 mph Sac County NWS severe weather mention
Monday, December 8, 2025
1 NWS warning — wind gusts up to 60 mph
“...BLIZZARD CONDITIONS MAY OCCUR DUE TO SIGNIFICANT BLOWING SNOW TUESDAY NIGHT AND WEDNESDAY MORNING... .Very strong winds will develop Tuesday evening with the strong wind gusts persisting into Wednesday morning. Wind gusts of 50 to 60 mph are expected. Much of the area has 6 inches or more of snow on the ground.”
- Wind 60 mph Sac County NWS severe weather mention
Today's severe weather outlook
Common questions
When was the last severe storm in Sac County, IA?
The most recent recorded event was on May 16, 2026. Official NWS and SPC records show 30 severe weather events in Sac County over the last 12 months. Exact dates and locations for recent storms are available in the app with a free account.
Has there been hail in Sac County recently?
Yes — 1 hail report in the last 12 months, with hail up to 0.5" recorded.
How do I check whether a specific address was affected?
Create a free IDOLCheck account and run an address check. It shows verified storm reports and official NWS warning boundaries around any specific property — county-level pages like this one only tell part of the story.