Cass County weather alerts
There are no active weather alerts for Cass County, ND right now.
Since 2016 the National Weather Service has issued about 1,231 alerts that included Cass County, roughly 123 a year. The most common is the severe thunderstorm warning (270 from 2016 to 2025). The last tornado warning was issued on June 21, 2025. 106 tornadoes have touched down in the county since 1950.
Updated from the National Weather Service · lists refresh hourly; the live map loads current alerts directly from the NWS
No warnings, watches or advisories include Cass County at the moment. This page updates automatically when the National Weather Service issues one. Check neighboring Richland County, Ransom County, Barnes County, Steele County.
Cass County alert history
Alert events that included Cass County or its forecast zones, from the NWS warning archive.
| Alert type | 2016–2025 | 2026 | Last issued |
|---|---|---|---|
| Severe Thunderstorm Warning | 270 | 16 | September 28, 2026 |
| Winter Weather Advisory | 135 | 12 | April 2, 2026 |
| Cold Weather Advisory | 116 | 5 | January 30, 2026 |
| Wind Advisory | 90 | 9 | October 15, 2026 |
| Flood Warning | 89 | 0 | August 9, 2025 |
| Severe Thunderstorm Watch | 82 | 6 | September 3, 2026 |
| Dense Fog Advisory | 79 | 9 | November 1, 2026 |
| Winter Storm Watch | 54 | 2 | April 3, 2026 |
| Winter Storm Warning | 37 | 1 | April 3, 2026 |
| Blizzard Warning | 36 | 2 | January 18, 2026 |
| Flood Advisory | 34 | 1 | July 30, 2026 |
| Red Flag Warning | 31 | 6 | May 14, 2026 |
| Extreme Cold Warning | 28 | 1 | January 22, 2026 |
| Tornado Warning | 27 | 0 | June 21, 2025 |
| Fire Weather Watch | 19 | 1 | May 15, 2026 |
| Frost Advisory | 17 | 3 | October 2, 2026 |
| High Wind Warning | 14 | 1 | March 12, 2026 |
| Heat Advisory | 13 | 6 | July 29, 2026 |
| Tornado Watch | 11 | 3 | July 24, 2026 |
| Freeze Warning | 10 | 1 | May 20, 2026 |
| Flood Watch | 9 | 1 | September 28, 2026 |
| Flash Flood Warning | 8 | 1 | September 28, 2026 |
| Snow Squall Warning | 5 | 0 | December 4, 2024 |
| Freeze Watch | 4 | 0 | October 7, 2023 |
| Extreme Heat Watch | 3 | 1 | July 12, 2026 |
| Extreme Heat Warning | 3 | 3 | July 26, 2026 |
| High Wind Watch | 3 | 0 | March 10, 2025 |
| Ice Storm Warning | 2 | 0 | December 25, 2023 |
| Extreme Cold Watch | 2 | 1 | January 23, 2026 |
Tornado history in Cass County
106 tornadoes have been recorded in Cass County since 1950, killing 3 people and injuring 8. That ranks 1 of 53 counties in North Dakota. The most recent was on June 20, 2025 (rated EF0).
Strongest tornadoes in Cass County
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| June 20, 2025 | EF5 | Ransom County | 12.1 mi | 1,850 yd | 3 | 0 |
| August 30, 1956 | F3 | Cass County | 5.1 mi | 60 yd | 0 | 8 |
| June 13, 1950 | F3 | Cass County | 2 mi | 10 yd | 0 | 0 |
| June 15, 1973 | F3 | Cass County | 0.1 mi | 10 yd | 0 | 0 |
| May 5, 1965 | F2 | Cass County | 33.8 mi | 83 yd | 0 | 0 |
Most recent tornadoes
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| June 20, 2025 | EF0 | Cass County | 0.7 mi | 20 yd | 0 | 0 |
| June 20, 2025 | EF0 | Cass County | 1.9 mi | 20 yd | 0 | 0 |
| June 20, 2025 | EF0 | Cass County | 0.7 mi | 10 yd | 0 | 0 |
| June 20, 2025 | EF1 | Cass County | 6.9 mi | 300 yd | 0 | 0 |
| June 20, 2025 | EF2 | Cass County | 6.8 mi | 1,351 yd | 0 | 0 |
About Cass County
- Population: 200,945 (2024 estimate)
- State: North Dakota
- NOAA Weather Radio SAME code: 038017 (how to use it)
- Cities: Fargo