Williamson County Storm Activity
Wind, hail, and tornado activity from official NOAA sources (NWS & SPC) · Last 180 days · Updated Sep 11, 2026
Williamson County, Texas has recorded tornado activity: official National Weather Service (NWS) and Storm Prediction Center (SPC) records list 1 tornado report among 30 severe weather events here in the last 180 days, alongside 21 hail reports with hail up to 1" and 8 high-wind reports with gusts up to 74 mph. The most recent recorded storm activity was in September 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 Williamson 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.
Saturday, June 20, 2026
1 NWS warning — hail up to 0.75"
“At 242 AM CDT, Doppler radar was tracking a strong thunderstorm near Leander, or 10 miles northwest of Cedar Park, moving north at 10 mph. Hazard: Winds in excess of 40 mph and penny size hail. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Minor damage to outdoor objects is possible. Locations impacted include...”
- Hail 0.75" Williamson County NWS severe weather mention
Tuesday, June 2, 2026
2 NWS warnings — hail up to 0.5", wind gusts up to 55 mph
“At 744 PM CDT, Doppler radar was tracking strong thunderstorms along a line extending from near Buckholts to 6 miles southwest of Alcoa Lake. Movement was west at 30 mph. Hazard: Wind gusts of 50 to 55 mph. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include...”
“At 434 PM CDT, Doppler radar was tracking a strong thunderstorm near Granger, moving southwest at 10 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 damage to outdoor objects is possible. Locations impacted include... Round Rock, Taylor, Granger, Hutto, Rices Crossing, Jonah, and Waterloo.”
- Wind 55 mph Williamson County NWS severe weather mention
- Hail 0.5" Williamson County NWS severe weather mention
Tuesday, May 26, 2026
3 NWS warnings — hail up to 0.75", wind gusts up to 55 mph
“At 931 PM CDT, Doppler radar was tracking strong thunderstorms along a line extending from near Holland to Timberwood Park. Movement was east at 40 mph. Hazard: Wind gusts of 50 to 55 mph. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include...”
“At 826 PM CDT, Doppler radar was tracking a strong thunderstorm near Florence, or 11 miles north of Serenada, moving east at 35 mph. Hazard: Wind gusts up to 50 mph and penny size hail. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Minor damage to outdoor objects is possible. Locations impacted include...”
- Wind 55 mph Williamson County NWS severe weather mention
- Hail 0.75" Williamson County NWS severe weather mention
- Hail 0.75" Williamson County NWS severe weather mention
Monday, May 25, 2026
2 SPC verified storm reports · 2 NWS warnings — hail up to 1"
“Report from mPING Quarter inch hail. (EWX)”
“At 715 PM CDT, Doppler radar was tracking a strong thunderstorm near Coupland, or near Elgin, moving west at 10 mph. Hazard: Winds in excess of 40 mph and half inch hail. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Minor damage to outdoor objects is possible. Locations impacted include... Taylor, Elgin, Manor, Coupland, Beyarsville, and Rices Crossing.”
- Hail 1" 5 SE Andice SPC verified report
- Hail 0.5" Williamson County NWS severe weather mention
- Hail 0.5" Williamson County NWS severe weather mention
- Wind Unknown 4 SSE Andice SPC verified report
Saturday, May 23, 2026
2 NWS warnings — hail up to 0.75"
“At 1243 AM CDT, Doppler radar was tracking strong thunderstorms along a line extending from 15 miles northwest of Kempner to near Lampasas to near Buchanan Lake Village. Movement was east at 30 mph. Hazard: Wind gusts up to 50 mph and penny size hail. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Minor damage to outdoor objects is possible.”
“At 154 AM CDT, Doppler radar was tracking a strong thunderstorm near Andice, or 12 miles northwest of Serenada, moving east at 30 mph. Hazard: Winds in excess of 40 mph and half inch hail. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Minor damage to outdoor objects is possible. Locations impacted include...”
- Hail 0.75" Williamson County NWS severe weather mention
- Hail 0.5" Williamson County NWS severe weather mention
Thursday, May 21, 2026
2 NWS warnings — hail up to 0.75"
“At 703 PM CDT, Doppler radar was tracking strong thunderstorms along a line extending from near Andice to 6 miles south of Windemere to near Buda. Movement was east at 30 mph. Hazard: Wind gusts of 50 to 55 mph and penny size hail. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Minor damage to outdoor objects is possible. Locations impacted include...”
“At 504 PM CDT, Doppler radar was tracking a strong thunderstorm near Longhorn Cavern State Park, or near Marble Falls, moving northeast at 25 mph. Hazard: Winds in excess of 40 mph and penny size hail. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Minor damage to outdoor objects is possible. Locations impacted include...”
- Hail 0.75" Williamson County NWS severe weather mention
- Hail 0.75" Williamson County NWS severe weather mention
Tuesday, May 19, 2026
2 SPC verified storm reports — hail up to 1"
“Picture of quarter sized hail sent by EM from between Granger and Jarrell. (EWX)”
“Media relayed TV viewers observing quarter sized hail in Granger. (EWX)”
- Hail 1" 4 WSW Bartlett SPC verified report
- Hail 1" Granger SPC verified report
Monday, May 18, 2026
5 SPC verified storm reports — hail up to 1", wind gusts up to 74 mph
“74mph straight line winds measured on personal weather station and large tree branches down. (EWX)”
“Amateur Radio report at SH 130 & I-35 under the SH 130 overpass near Georgetown... had street lights and several signs blown over. Raining completely horizontal... abou (EWX)”
- Wind 74 mph 4 N Round Rock SPC verified report
- Wind 70 mph 2 ESE Serenada SPC verified report
- Hail 1" Andice SPC verified report
- Wind Unknown 4 SSW Granger SPC verified report
- Wind Unknown 2 NE Georgetown SPC verified report
Sunday, May 10, 2026
2 NWS warnings — hail up to 0.88"
“At 928 PM CDT, Doppler radar was tracking strong thunderstorms along a line extending from near Weir to Bee Cave to near Fischer. Movement was southeast at 40 mph. Hazard: Wind gusts of 50 to 55 mph and nickel size hail. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Minor damage to outdoor objects is possible. Locations impacted include...”
“At 902 PM CDT, Doppler radar was tracking a strong thunderstorm near Weir, or near Serenada, moving east at 5 mph. Hazard: Wind gusts up to 50 mph and nickel size hail. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Minor damage to outdoor objects is possible. Locations impacted include...”
- Hail 0.88" Williamson County NWS severe weather mention
- Hail 0.88" Williamson County NWS severe weather mention
Saturday, May 9, 2026
2 SPC verified storm reports — hail up to 1", wind gusts up to 64 mph
“Corrects previous non-tstm wnd gst report to tstm wnd gst from 1 SSE Serenada. AWOS station KGTU Georgetown Municipal Airport. (EWX)”
“Report of quarter sized hail on State Highway 195 south of Florence and north of Sun City. (EWX)”
- Wind 64 mph 1 SSE Serenada SPC verified report
- Hail 1" 5 SSE Florence SPC verified report
Friday, April 17, 2026
2 SPC verified storm reports — hail up to 1"
“Numerous reports of pea to quarter size hail across a swath between Georgetown and Round Rock including communities near Westinghouse Rd... FM 1460... and SH 130. Time (EWX)”
“Hail photo with received with ruler. Time estimated via radar. (EWX)”
- Hail 1" 4 SE Georgetown SPC verified report
- Hail 1" 2 W Brushy Creek SPC verified report
Today's severe weather outlook
Common questions
When was the last severe storm in Williamson County, TX?
The most recent recorded event was in September 2026. Official NWS and SPC records show 30 severe weather events in Williamson County over the last 180 days. Exact dates and locations for recent storms are available in the app with a free account.
Has there been hail in Williamson County recently?
Yes — 21 hail reports in the last 180 days, with hail up to 1" 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.