Fremont County weather alerts
There are no active weather alerts for Fremont County, IA right now.
Since 2016 the National Weather Service has issued about 1,028 alerts that included Fremont County, roughly 103 a year. The most common is the severe thunderstorm warning (233 from 2016 to 2025). The last tornado warning was issued on September 14, 2026. 36 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 Fremont County at the moment. This page updates automatically when the National Weather Service issues one. Check neighboring Mills County, Otoe County, Atchison County, Cass County.
Fremont County alert history
Alert events that included Fremont County or its forecast zones, from the NWS warning archive.
| Alert type | 2016–2025 | 2026 | Last issued |
|---|---|---|---|
| Severe Thunderstorm Warning | 233 | 32 | September 15, 2026 |
| Severe Thunderstorm Watch | 94 | 11 | September 6, 2026 |
| Dense Fog Advisory | 90 | 10 | September 17, 2026 |
| Winter Weather Advisory | 87 | 2 | March 15, 2026 |
| Wind Advisory | 73 | 4 | June 17, 2026 |
| Flood Warning | 53 | 7 | October 2, 2026 |
| Heat Advisory | 50 | 6 | September 8, 2026 |
| Flood Watch | 41 | 8 | September 30, 2026 |
| Red Flag Warning | 37 | 4 | March 28, 2026 |
| Cold Weather Advisory | 35 | 2 | January 26, 2026 |
| Tornado Watch | 31 | 6 | September 14, 2026 |
| Tornado Warning | 28 | 10 | September 14, 2026 |
| Freeze Warning | 25 | 1 | October 17, 2026 |
| Fire Weather Watch | 21 | 2 | March 28, 2026 |
| Winter Storm Watch | 15 | 0 | March 5, 2025 |
| Frost Advisory | 14 | 2 | May 2, 2026 |
| Winter Storm Warning | 14 | 0 | February 12, 2025 |
| Extreme Heat Watch | 13 | 3 | July 27, 2026 |
| Extreme Heat Warning | 13 | 2 | July 25, 2026 |
| Flood Advisory | 12 | 5 | August 19, 2026 |
| Flash Flood Warning | 9 | 4 | June 11, 2026 |
| Freeze Watch | 9 | 1 | October 17, 2026 |
| High Wind Warning | 8 | 2 | March 15, 2026 |
| Extreme Cold Watch | 6 | 0 | February 19, 2025 |
| Extreme Cold Warning | 6 | 0 | February 20, 2025 |
| Blizzard Warning | 4 | 0 | March 4, 2025 |
| High Wind Watch | 4 | 1 | March 15, 2026 |
| Snow Squall Warning | 2 | 0 | December 28, 2025 |
| Ice Storm Warning | 1 | 0 | January 15, 2017 |
Tornado history in Fremont County
36 tornadoes have been recorded in Fremont County since 1950, killing 2 people and injuring 24. That ranks 45 of 99 counties in Iowa. The most recent was on April 17, 2025 (rated EF1).
Strongest tornadoes in Fremont County
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| June 22, 1964 | F4 | Fremont County | 11.9 mi | 400 yd | 0 | 0 |
| August 28, 1979 | F3 | Mills County | 38.3 mi | 533 yd | 2 | 14 |
| June 22, 1964 | F3 | Fremont County | 8 mi | 400 yd | 0 | 0 |
| May 26, 1959 | F2 | Fremont County | 15.9 mi | 400 yd | 0 | 0 |
| April 14, 2012 | EF2 | Fremont County | 12.2 mi | 880 yd | 0 | 4 |
Most recent tornadoes
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| April 17, 2025 | EF1 | Fremont County | 19 mi | 1,971 yd | 0 | 0 |
| April 17, 2025 | EF0 | Fremont County | 5.5 mi | 440 yd | 0 | 0 |
| May 7, 2023 | ? | Fremont County | 0.1 mi | 50 yd | 0 | 0 |
| April 19, 2023 | EF0 | Fremont County | 0.5 mi | 10 yd | 0 | 0 |
| April 19, 2023 | ? | Fremont County | 0.1 mi | 10 yd | 0 | 0 |
About Fremont County
- Population: 6,494 (2024 estimate)
- State: Iowa
- NOAA Weather Radio SAME code: 019071 (how to use it)