Lyon County Storm Activity
Wind, hail, and tornado activity from official NOAA sources (NWS & SPC) · Last 12 months · Updated Sep 11, 2026
Has it hailed in Lyon County, Iowa recently? Official National Weather Service (NWS) and Storm Prediction Center (SPC) records say yes: 2 hail reports with hail up to 1.25", among 66 severe weather events logged here in the last 12 months, together with 64 high-wind reports with gusts up to 73 mph. The most recent recorded storm activity was in August 2026. This page updates daily: every event comes straight from official NOAA data — no estimates, no modeling, just the record.
What the radar showed
Last 30 days in Lyon County
Recent storms — full detail available in the app
Storm activity from the last 30 days is summarized at the county level on this page. Exact locations, radar snapshots, and official warning boundaries for recent events are available with a free account.
See the specifics — 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.
Friday, July 24, 2026
3 SPC verified storm reports — wind gusts up to 70 mph
“Photo of damage to Inwood Public Library. Time estimated via radar. (FSD)”
- Wind 70 mph 1 NE Inwood SPC verified report
- Wind 69 mph 1 SSW Rock Rapids SPC verified report
- Wind Unknown 1 N Inwood SPC verified report
Tuesday, June 30, 2026
2 SPC verified storm reports — wind gusts up to 64 mph
“Personal weather station reported gust of 64 mph at 3:05 am CDT. (FSD)”
“Multiple 8 to 10 inch diameter branches down around town. Time estimated via radar. (FSD)”
- Wind 64 mph 2 ESE Larchwood SPC verified report
- Wind Unknown Larchwood SPC verified report
Wednesday, June 17, 2026
2 NWS warnings — wind gusts up to 50 mph
“WHAT...Northwest winds 20 to 30 mph with gusts up to 50 mph. WHERE...Portions of northwest and west central Iowa, southwest Minnesota, northeast Nebraska, and east central and southeast South Dakota. WHEN...Until 9 PM CDT this evening. IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.”
“WHAT...Northwest winds 20 to 30 mph with gusts up to 50 mph expected. WHERE...Portions of northwest and west central Iowa, southwest Minnesota, northeast Nebraska, and east central and southeast South Dakota. WHEN...From 1 PM this afternoon to 9 PM CDT this evening. IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.”
- Wind 50 mph Lyon County NWS severe weather mention
- Wind 50 mph Lyon County NWS severe weather mention
Tuesday, June 16, 2026
2 NWS warnings — wind gusts up to 50 mph
“WHAT...Northwest winds 20 to 30 mph with gusts up to 50 mph expected. WHERE...Portions of northwest and west central Iowa, southwest Minnesota, northeast Nebraska, and east central and southeast South Dakota. WHEN...From 1 PM to 9 PM CDT Wednesday. IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.”
“WHAT...Northwest winds 20 to 30 mph with gusts up to 50 mph expected. WHERE...Portions of northwest and west central Iowa, southwest Minnesota, northeast Nebraska, and east central and southeast South Dakota. WHEN...From 1 PM to 9 PM CDT Wednesday. IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.”
- Wind 50 mph Lyon County NWS severe weather mention
- Wind 50 mph Lyon County NWS severe weather mention
Monday, June 15, 2026
3 NWS warnings — wind gusts up to 60 mph
“Scattered showers and isolated thunderstorms continue to bring occasional wind gusts of 40 to 60 mph near and north of the Interstate 90 corridor this evening. Showers and storms diminish near and after sunset. If you have outdoor activities through this evening and see showers approaching, be prepared for a quick increase in the winds.”
“Scattered showers and isolated thunderstorms will bring occasional wind gusts of 40 to 60 mph near and north of the Interstate 90 corridor early this evening. The main threat will be near and west of I-29 through 7 pm, spreading east of I-29 from 6 pm to 8 pm. If you have outdoor activities during this time and see showers approaching, be prepared for a quick increase in the winds.”
- Wind 60 mph Lyon County NWS severe weather mention
- Wind 60 mph Lyon County NWS severe weather mention
- Wind 60 mph Lyon County NWS severe weather mention
Saturday, May 23, 2026
1 SPC verified storm report — hail up to 1"
“Report via social media. Hail size estimated from photo. (FSD)”
- Hail 1" Alvord SPC verified report
Sunday, May 17, 2026
1 SPC verified storm report — hail up to 1.25"
“Social media report with picture and coin for size comparison. Time estimated by radar. (FSD)”
- Hail 1.25" 3 NE Lester SPC verified report
Thursday, May 14, 2026
2 NWS warnings — wind gusts up to 50 mph
“AFFECTED AREA...In Iowa, Lyon, Osceola, Dickinson, Sioux, O'Brien, Clay, Plymouth, Cherokee, Buena Vista, Woodbury and Ida. In Minnesota, Cottonwood, Nobles, Jackson and Rock. In Nebraska, Dixon and Dakota. In South Dakota, Hanson, McCook, Minnehaha, Hutchinson, Turner, Lincoln, Bon Homme, Yankton, Clay and Union. WINDS...South 25 to 35 mph with gusts up to 50 mph.”
“AFFECTED AREA...In Iowa, Lyon, Osceola, Dickinson, Sioux, O'Brien, Clay, Plymouth, Cherokee, Buena Vista, Woodbury and Ida. In Minnesota, Cottonwood, Nobles, Jackson and Rock. In Nebraska, Dixon and Dakota. In South Dakota, Hanson, McCook, Minnehaha, Hutchinson, Turner, Lincoln, Bon Homme, Yankton, Clay and Union. WINDS...South 25 to 35 mph with gusts up to 50 mph.”
- Wind 50 mph Lyon County NWS severe weather mention
- Wind 50 mph Lyon County NWS severe weather mention
Wednesday, May 13, 2026
2 NWS warnings — wind gusts up to 50 mph
“AFFECTED AREA...In Iowa, Lyon, Osceola, Dickinson, Sioux, O'Brien, Clay, Plymouth, Cherokee, Buena Vista, Woodbury and Ida. In Minnesota, Cottonwood, Nobles, Jackson and Rock. In Nebraska, Dixon and Dakota. In South Dakota, Hanson, McCook, Minnehaha, Hutchinson, Turner, Lincoln, Bon Homme, Yankton, Clay and Union. WINDS...South 25 to 35 mph with gusts up to 50 mph.”
“The National Weather Service in Sioux Falls has issued a Red Flag Warning for wind and low relative humidity, which is in effect from 10 AM to 7 PM CDT Thursday. AFFECTED AREA...In Iowa, Lyon, Osceola, Dickinson, Sioux, O'Brien, Clay, Plymouth, Cherokee, Buena Vista, Woodbury and Ida. In Minnesota, Cottonwood, Nobles, Jackson and Rock. In Nebraska, Dixon and Dakota.”
- Wind 50 mph Lyon County NWS severe weather mention
- Wind 50 mph Lyon County NWS severe weather mention
Saturday, March 28, 2026
3 NWS warnings — wind gusts up to 50 mph
“AFFECTED AREA...In Iowa, Lyon, Osceola, Dickinson, Sioux, O'Brien, Clay, Plymouth, Cherokee, Buena Vista, Woodbury and Ida. In Minnesota, Lincoln, Lyon, Murray, Cottonwood, Nobles, Jackson, Pipestone and Rock. In Nebraska, Dixon and Dakota.”
“AFFECTED AREA...In Iowa, Lyon, Osceola, Dickinson, Sioux, O'Brien, Clay, Plymouth, Cherokee, Buena Vista, Woodbury and Ida. In Minnesota, Lincoln, Lyon, Murray, Cottonwood, Nobles, Jackson, Pipestone and Rock. In Nebraska, Dixon and Dakota.”
- Wind 50 mph Lyon County NWS severe weather mention
- Wind 50 mph Lyon County NWS severe weather mention
- Wind 50 mph Lyon County NWS severe weather mention
Friday, March 27, 2026
3 NWS warnings — wind gusts up to 50 mph
“AFFECTED AREA...In Iowa, Lyon, Osceola, Dickinson, Sioux, O'Brien, Clay, Plymouth, Cherokee, Buena Vista, Woodbury and Ida. In Minnesota, Lincoln, Lyon, Murray, Cottonwood, Nobles, Jackson, Pipestone and Rock. In Nebraska, Dixon and Dakota.”
“The National Weather Service in Sioux Falls has issued a Red Flag Warning for wind and low relative humidity, which is in effect from 10 AM to 9 PM CDT Saturday. The Fire Weather Watch is no longer in effect. AFFECTED AREA...In Iowa, Lyon, Osceola, Dickinson, Sioux, O'Brien, Clay, Plymouth, Cherokee, Buena Vista, Woodbury and Ida.”
- Wind 50 mph Lyon County NWS severe weather mention
- Wind 50 mph Lyon County NWS severe weather mention
- Wind 50 mph Lyon County NWS severe weather mention
Sunday, March 15, 2026
7 NWS warnings — wind gusts up to 60 mph
“WHAT...For the High Wind Warning, northwest winds 30 to 35 mph with gusts up to 60 mph. For the Cold Weather Advisory, very cold wind chills as low as 29 below zero expected. WHERE...Portions of northwest and west central Iowa, northeast Nebraska, and southeast South Dakota. WHEN...For the High Wind Warning, until 1 AM CDT Monday. For the Cold Weather Advisory, from 1 AM to 11 AM CDT Monday.”
“WHAT...For the High Wind Warning, northwest winds 30 to 35 mph with gusts up to 60 mph. For the Cold Weather Advisory, very cold wind chills as low as 29 below zero expected. WHERE...Portions of northwest and west central Iowa, northeast Nebraska, and southeast South Dakota. WHEN...For the High Wind Warning, until 1 AM CDT Monday. For the Cold Weather Advisory, from 1 AM to 11 AM CDT Monday.”
- Wind 60 mph Lyon County NWS severe weather mention
- Wind 60 mph Lyon County NWS severe weather mention
- Wind 60 mph Lyon County NWS severe weather mention
- Wind 60 mph Lyon County NWS severe weather mention
- Wind 60 mph Lyon County NWS severe weather mention
- Wind 55 mph Lyon County NWS severe weather mention
- Wind 55 mph Lyon County NWS severe weather mention
Saturday, March 14, 2026
2 NWS warnings — wind gusts up to 60 mph
“WHAT...North winds 35 to 45 mph with gusts up to 60 mph expected. WHERE...Portions of northwest and west central Iowa, northeast Nebraska, and southeast South Dakota. WHEN...From 10 AM Sunday to 1 AM CDT Monday. IMPACTS...Damaging winds will blow down tree branches. Scattered power outages are expected. Travel will be difficult, especially for high profile vehicles.”
“WHAT...North winds 35 to 45 mph with gusts up to 60 mph expected. WHERE...Portions of northwest and west central Iowa, northeast Nebraska, and southeast South Dakota. WHEN...From 10 AM Sunday to 1 AM CDT Monday. IMPACTS...Damaging winds will blow down tree branches. Scattered power outages are expected. Travel will be difficult, especially for high profile vehicles.”
- Wind 60 mph Lyon County NWS severe weather mention
- Wind 60 mph Lyon County NWS severe weather mention
Friday, March 13, 2026
3 NWS warnings — wind gusts up to 65 mph
“WHAT...Northwest winds 30 to 40 mph with gusts up to 65 mph. WHERE...Portions of northwest and west central Iowa, northeast Nebraska, and southeast South Dakota. WHEN...Until 7 AM CDT this morning. IMPACTS...Damaging winds will blow down tree branches. Scattered power outages are expected. Travel will be difficult, especially for high profile vehicles.”
“WHAT...Northwest winds 25 to 35 mph with gusts up to 60 mph. WHERE...Portions of northwest and west central Iowa and southeast South Dakota. WHEN...Until 7 AM CDT this morning. IMPACTS...Damaging winds will blow down tree branches. Scattered power outages are expected. Travel will be difficult, especially for high profile vehicles.”
- Wind 65 mph Lyon County NWS severe weather mention
- Wind 60 mph Lyon County NWS severe weather mention
- Wind 50 mph Lyon County NWS severe weather mention
Thursday, March 12, 2026
2 NWS warnings — wind gusts up to 70 mph
“WHAT...Northwest winds 30 to 40 mph with gusts up to 70 mph expected. WHERE...Portions of northwest and west central Iowa, northeast Nebraska, and southeast South Dakota. WHEN...From 9 PM this evening to 7 AM CDT Friday. IMPACTS...Damaging winds will blow down tree branches. Scattered power outages are expected. Travel will be difficult, especially for high profile vehicles.”
“WHAT...Northwest winds 25 to 35 mph with gusts up to 65 mph expected. WHERE...Portions of northwest and west central Iowa, northeast Nebraska, and southeast South Dakota. WHEN...From 9 PM this evening to 7 AM CDT Friday. IMPACTS...Damaging winds will blow down tree branches. Scattered power outages are expected. Travel will be difficult, especially for high profile vehicles.”
- Wind 70 mph Lyon County NWS severe weather mention
- Wind 65 mph Lyon County NWS severe weather mention
Wednesday, March 11, 2026
7 NWS warnings — wind gusts up to 70 mph
“WHAT...Northwest winds 30 to 40 mph with gusts up to 70 mph expected. WHERE...Portions of northwest and west central Iowa, northeast Nebraska, and southeast South Dakota. WHEN...From 9 PM Thursday to 7 AM CDT Friday. IMPACTS...Damaging winds will blow down tree branches. Scattered power outages are expected. Travel will be difficult, especially for high profile vehicles.”
“AFFECTED AREA...In Iowa, Lyon, Osceola, Dickinson, Sioux, O'Brien, Clay, Plymouth, Cherokee, Buena Vista, Woodbury and Ida. In Nebraska, Dixon and Dakota. In South Dakota, Beadle, Gregory, Jerauld, Sanborn, Miner, Lake, Brule, Aurora, Davison, Hanson, McCook, Minnehaha, Charles Mix, Douglas, Hutchinson, Turner, Lincoln, Bon Homme, Yankton, Clay and Union.”
- Wind 70 mph Lyon County NWS severe weather mention
- Wind 65 mph Lyon County NWS severe weather mention
- Wind 55 mph Lyon County NWS severe weather mention
- Wind 55 mph Lyon County NWS severe weather mention
- Wind 55 mph Lyon County NWS severe weather mention
- Wind 50 mph Lyon County NWS severe weather mention
- Wind 50 mph Lyon County NWS severe weather mention
Friday, February 27, 2026
1 NWS warning — wind gusts up to 50 mph
“AFFECTED AREA...In Iowa, Lyon, Sioux, O'Brien, Plymouth, Cherokee, Buena Vista, Woodbury and Ida. In Nebraska, Dixon and Dakota. In South Dakota, Gregory, Jerauld, Sanborn, Brule, Aurora, Davison, Hanson, McCook, Minnehaha, Charles Mix, Douglas, Hutchinson, Turner, Lincoln, Bon Homme, Yankton, Clay and Union. WINDS...Northwest 20 to 30 mph with gusts up to 50 mph.”
- Wind 50 mph Lyon County NWS severe weather mention
Wednesday, February 18, 2026
6 NWS warnings — wind gusts up to 55 mph
“AFFECTED AREA...In Iowa, Lyon, Osceola, Dickinson, Sioux, O'Brien, Clay, Plymouth, Cherokee, Buena Vista, Woodbury and Ida. In Minnesota, Nobles, Jackson and Rock. In Nebraska, Dixon and Dakota. In South Dakota, Gregory, Brule, Aurora, Davison, Hanson, McCook, Minnehaha, Charles Mix, Douglas, Hutchinson, Turner, Lincoln, Bon Homme, Yankton, Clay and Union.”
“WHAT...West winds 30 to 35 mph with gusts up to 50 mph. WHERE...Portions of northwest and west central Iowa, southwest Minnesota, and southeast South Dakota. WHEN...Until 3 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 Lyon County NWS severe weather mention
- Wind 50 mph Lyon County NWS severe weather mention
- Wind 50 mph Lyon County NWS severe weather mention
- Wind 50 mph Lyon County NWS severe weather mention
- Wind 50 mph Lyon County NWS severe weather mention
- Wind 50 mph Lyon County NWS severe weather mention
Tuesday, February 17, 2026
5 NWS warnings — wind gusts up to 50 mph
“WHAT...West winds 30 to 40 mph with gusts up to 50 mph expected. WHERE...Portions of northwest and west central Iowa and southwest Minnesota. WHEN...From 2 AM to noon CST Wednesday. IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.”
“The National Weather Service in Sioux Falls has issued a Red Flag Warning for wind and low relative humidity, which is in effect from 10 AM to 6 PM CST Wednesday. The Fire Weather Watch is no longer in effect. AFFECTED AREA...In Iowa, Lyon, Osceola, Dickinson, Sioux, O'Brien, Clay, Plymouth, Cherokee, Buena Vista, Woodbury and Ida. In Minnesota, Nobles, Jackson and Rock.”
- Wind 50 mph Lyon County NWS severe weather mention
- Wind 50 mph Lyon County NWS severe weather mention
- Wind 50 mph Lyon County NWS severe weather mention
- Wind 50 mph Lyon County NWS severe weather mention
- Wind 50 mph Lyon County NWS severe weather mention
Saturday, January 17, 2026
2 NWS warnings — wind gusts up to 55 mph
“WHAT...Snow expected. Total snow accumulations up to one inch but locally higher in very narrow snow bands. Winds gusting 40 to 55 mph. WHERE...Portions of northwest and west central Iowa, southwest Minnesota, northeast Nebraska, and central, east central, south central, and southeast South Dakota. WHEN...From 3 AM to 9 PM CST Sunday. IMPACTS...Plan on slippery road conditions.”
“WHAT...Snow expected. Total snow accumulations up to one inch but locally higher in very narrow snow bands. Winds gusting as high as 40 to 55 mph. WHERE...Portions of northwest and west central Iowa, southwest Minnesota, northeast Nebraska, and central, east central, south central, and southeast South Dakota. WHEN...From 3 AM to 9 PM CST Sunday. IMPACTS...Plan on slippery road conditions.”
- Wind 55 mph Lyon County NWS severe weather mention
- Wind 55 mph Lyon County NWS severe weather mention
Friday, January 16, 2026
4 NWS warnings — wind gusts up to 60 mph
“WHAT...Snow and areas of blowing snow. Additional snow accumulations up to a half inch, but locally higher in very narrow snow bands. Winds gusting as high as 40 to 60 mph. WHERE...Portions of northwest and west central Iowa, southwest Minnesota, northeast Nebraska, and central, east central, south central, and southeast South Dakota. WHEN...Until midnight CST tonight.”
“WHAT...Snow and areas of blowing snow. Additional snow accumulations up to a half inch, but locally higher in very narrow snow bands. Winds gusting as high as 40 to 60 mph. WHERE...Portions of northwest and west central Iowa, southwest Minnesota, northeast Nebraska, and central, east central, south central, and southeast South Dakota. WHEN...Until 6 PM CST this evening.”
- Wind 60 mph Lyon County NWS severe weather mention
- Wind 60 mph Lyon County NWS severe weather mention
- Wind 60 mph Lyon County NWS severe weather mention
- Wind 60 mph Lyon County NWS severe weather mention
Thursday, December 18, 2025
1 NWS warning — wind gusts up to 60 mph
“WHAT...Snow and blowing snow. Additional snow accumulations up to half inch. Winds gusting as high as 50 to 60 mph. WHERE...Portions of northwest Iowa, southwest Minnesota, and east central and southeast South Dakota. WHEN...Until 6 PM CST this evening. IMPACTS...Plan on slippery road conditions. Areas of blowing snow could significantly reduce visibility.”
- Wind 60 mph Lyon County NWS severe weather mention
Today's severe weather outlook
Common questions
When was the last severe storm in Lyon County, IA?
The most recent recorded event was in August 2026. Official NWS and SPC records show 66 severe weather events in Lyon 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 Lyon County recently?
Yes — 2 hail reports in the last 12 months, with hail up to 1.25" 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.