South Dakota frost advisories
There are no frost advisories in South Dakota right now. The last one was issued on October 17, 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
Map data: NWS, OpenFreeMap, OpenStreetMap
Active frost advisories in South Dakota
None right now. Other active alerts in South Dakota: none.
Frost Advisories in South Dakota by year
South Dakota averaged 8.3 frost advisories per year from 2016 to 2025, and has had 17 so far in 2026. The most recent was issued on October 17, 2026.
Counties with the most frost advisories
| County | 2016–2025 |
|---|---|
| Kingsbury County | 23 |
| Brookings County | 23 |
| Lake County | 22 |
| Miner County | 22 |
| Moody County | 22 |
| Brown County | 21 |
| Sanborn County | 20 |
| Edmunds County | 19 |
| Jerauld County | 19 |
| Beadle County | 19 |
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 South Dakota 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
- Freeze Warnings
- Heat Advisories
- High Wind Warnings
- Wind Advisories
- Red Flag Warnings
- Dense Fog Advisories
- All South Dakota alerts