Current conditions at

ONIDAMUNC (K98D)

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

Fair

61°F

16°C

Humidity 94%
Wind Speed NE 6 mph
Barometer 30.21 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 22 Aug 8:15 am CDT
Detailed forecast for

Sully County

Today
Mostly sunny. Highs in the lower 80s. Northeast winds 5 to 10 mph.
Tonight
Partly cloudy in the evening, then mostly cloudy with a slight chance of showers after midnight. Lows around 60. East winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 20 percent.
Sunday
Mostly cloudy with a chance of showers with a slight chance of thunderstorms in the morning, then partly sunny with a chance of thunderstorms in the afternoon. Highs in the lower 80s. Southeast winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 50 percent.
Sunday Night
Mostly cloudy. Showers likely with a chance of thunderstorms in the evening, then a slight chance of thunderstorms after midnight. Humid with lows in the lower 60s. Southeast winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 70 percent.
Monday
Partly sunny. Humid with highs in the mid 80s. East winds 5 to 10 mph, becoming northeast in the afternoon.
Monday Night
Partly cloudy. A slight chance of thunderstorms in the evening. Lows in the lower 60s. Chance of rain 20 percent.
Tuesday
Partly sunny. Highs in the mid 80s.
Tuesday Night Through Wednesday Night
Mostly clear. Lows in the upper 50s. Highs in the lower 80s.
Thursday
Partly sunny. A slight chance of thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 20 percent.
Thursday Night
Partly cloudy. A chance of thunderstorms, mainly in the evening. Lows around 60. Chance of rain 40 percent.
Friday
Partly sunny. Highs in the mid 80s.



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806 AM CDT Sat Aug 22 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database