Colorado frost advisories
There are no frost advisories in Colorado right now. The last one was issued on October 16, 2026.
Lows in the mid 30s will allow frost to form and may harm sensitive plants.
Updated from the National Weather Service · lists refresh hourly; the live map loads current alerts directly from the NWS
Active frost advisories in Colorado
None right now. Other active alerts in Colorado: 2 (see the Colorado alerts page).
Frost Advisories in Colorado by year
Colorado averaged 11.5 frost advisories per year from 2016 to 2025, and has had 8 so far in 2026. The most recent was issued on October 16, 2026.
Counties with the most frost advisories
| County | 2016–2025 |
|---|---|
| Yuma County | 34 |
| Kit Carson County | 32 |
| Weld County | 28 |
| Cheyenne County | 28 |
| Elbert County | 26 |
| Lincoln County | 25 |
| Morgan County | 23 |
| Douglas County | 22 |
| Larimer County | 22 |
| Logan County | 22 |
What a frost advisory means
Frost can form on clear, calm nights even when the air temperature stays a few degrees above freezing, typically with lows of 33 to 36°F. Frost advisories are issued during the growing season.
More about frost advisories and the national map →
What to do
- Cover tender plants with sheets or buckets overnight.
More Colorado 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
- Cold Weather Advisories
- Freeze Warnings
- Heat Advisories
- High Wind Warnings
- Wind Advisories
- Red Flag Warnings
- Dense Fog Advisories
- All Colorado alerts