Iowa freeze warnings
There are no freeze warnings in Iowa right now. The last one was issued on October 17, 2026.
Temperatures will drop to 32°F or below, which can kill sensitive plants and damage outdoor pipes.
Updated from the National Weather Service · lists refresh hourly; the live map loads current alerts directly from the NWS
Active freeze warnings in Iowa
None right now. Other active alerts in Iowa: none.
Freeze Warnings in Iowa by year
Iowa averaged 14 freeze warnings per year from 2016 to 2025, and has had 11 so far in 2026. The most recent was issued on October 17, 2026.
Counties with the most freeze warnings
| County | 2016–2025 |
|---|---|
| Delaware County | 30 |
| Buchanan County | 30 |
| Jones County | 30 |
| Linn County | 30 |
| Dubuque County | 30 |
| Benton County | 30 |
| Jackson County | 29 |
| Johnson County | 27 |
| Iowa County | 27 |
| Clinton County | 27 |
What a freeze warning means
Freeze warnings are mainly issued during the growing season, in spring and fall, when subfreezing temperatures threaten crops and gardens. Once a region has had its first widespread freeze in autumn, offices usually stop issuing them until the next spring.
More about freeze warnings and the national map →
What to do
- Cover or bring in tender plants and potted flowers.
- Disconnect and drain garden hoses, and protect outdoor faucets.
- Bring pets inside overnight.
More Iowa alerts
- Tornado Warnings
- Tornado Watches
- Severe Thunderstorm Warnings
- Flash Flood Warnings
- Flood Warnings
- Flood Watches
- Winter Storm Warnings
- Winter Storm Watches
- Winter Weather Advisories
- Blizzard Warnings
- Extreme Cold Warnings
- Cold Weather Advisories
- Frost Advisories
- Heat Advisories
- Extreme Heat Warnings
- High Wind Warnings
- Wind Advisories
- Red Flag Warnings
- Dense Fog Advisories
- All Iowa alerts