Current conditions at

ONIDAMUNC (K98D)

Lat: 44.7° N Lon: 100.1° W Elev: 1874 ft.

Overcast

32°F

0°C

Humidity 69%
Wind Speed S 6 mph
Barometer 29.74 in
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill26°F (-3°C)
Last update 12 Mar 9:15 am CDT
Detailed forecast for

Sully County

Today
A slight chance of snow this morning. Mostly cloudy with a chance of rain. Very windy and not as cool with highs in the lower 60s. South winds 10 to 15 mph, increasing to west 30 to 40 mph with gusts up to 60 mph this afternoon. Chance of precipitation 50 percent.
Tonight
Mostly cloudy in the evening, then becoming partly cloudy. Very windy with lows in the lower 20s. Northwest winds 30 to 40 mph with gusts up to 65 mph, diminishing to 20 to 30 mph with gusts up to 50 mph after midnight.
Friday
Mostly cloudy with a 40 percent chance of snow. Much colder with highs in the upper 30s. North winds 10 to 15 mph with gusts up to 30 mph, becoming east 5 to 10 mph in the afternoon.
Friday Night
Snow likely. Light snow accumulation possible. Lows in the mid 20s. East winds 5 to 10 mph. Chance of snow 60 percent.
Saturday
Snow likely. A slight chance of rain in the afternoon. Additional light snow accumulation possible. Highs in the mid 30s. East winds 15 to 20 mph. Chance of precipitation 70 percent.
Saturday Night
A slight chance of rain in the evening. Snow. Patchy blowing snow. Additional moderate snow accumulation. Brisk, colder with lows around 10 above. Chance of precipitation near 100 percent.
Sunday
Snow in the morning, then partly sunny with a chance of snow in the afternoon. Areas of blowing snow in the morning, then patchy blowing snow in the afternoon. Additional light snow accumulation. Windy and much colder with highs in the lower 20s. Chance of snow near 100 percent.
Sunday Night
Mostly clear in the evening, then becoming partly cloudy. Colder with lows around zero.
Monday
Partly sunny. Highs in the mid 20s.
Monday Night And Tuesday
Mostly cloudy with a 30 percent chance of snow. Lows around 10 above. Highs around 40.
Tuesday Night And Wednesday
Mostly cloudy. Lows in the mid 20s. Highs in the mid 50s.



Basemap Options
Click map to change the forecast location
Loading map...
837 AM CDT Thu Mar 12 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database