Minnesota storm reports for August 18, 2026
NOAA recorded 4 hail reports and 1 wind report in Minnesota on August 18, 2026.
- in Minnesota
- 5
- Storm reports
- 2 SSE Viola, Olmsted County, MN
- 1.0 in
- Largest hail
- 0
- Tornado reports
Hail, inches
- 0.75
- 1
- 1.5
- 2
- 2.5
- 3+
Dots: reports. Shading: radar estimate.
- Wind report
- Estimated gusts, 50 to 90 mph
Hail, inches
- 0.75
- 1
- 1.5
- 2
- 2.5
- 3+
Dots: reports. Shading: radar estimate.
- Wind report
- Estimated gusts, 50 to 90 mph
Source: NOAA/NWS Storm Prediction Center, preliminary storm reports. NOAA revises recent reports for several weeks. Report day: 12:00 UTC on August 18, 2026 to 12:00 UTC the next day. Times are Central.
Select a dot or a path for the report. Gust lines are estimates: the highest gust of the day in NOAA's hourly 2.5 km wind analysis (URMA), which fills in between weather stations. They aren't measurements at any building.
Reports by hour
Hail4, most at 2 PM
Wind1, most at 2 PM
Every report
Source: NOAA/NWS Storm Prediction Center.
| Time | Size | Where |
|---|---|---|
| 2:39 PM | 1.0 in | 2 SSE Viola, Olmsted County, MN |
| 2:59 PM | 1.0 in | Saint Charles, Winona County, MN |
| 6:38 PM | 1.0 in | Adrian, Nobles County, MN |
| 7:10 PM | 1.0 in | Bigelow, Nobles County, MN |
| Time | Gust | Where |
|---|---|---|
| 2:38 PM | Not measured | 1 NE Winona, Winona County, MN |
Cities with reports nearby
Reports within 15 miles of the center of each city we track.
| City | Largest hail | Highest gust | Tornado reports |
|---|---|---|---|
| Rochester, MN | 1.0 in | None | 0 |
Reports are what observers recorded near a location, not a complete record of every storm. They don’t describe conditions at any building.