Heat Persists in the South Central U.S. and Southwest; Heavy rains in the Desert Southwest and Central Plains

Sweltering heat remains across the South-Central Plains, Lower/Middle Mississippi Valley, and the Southwest this week with limited nighttime relief. Thunderstorms will bring heavy rainfall leading to localized flash flooding in portions of the Desert Southwest and central Plains. Isolated strong to severe thunderstorms are possible across portions of the central Plains into the Northeast. Read More >

Current conditions at

New Ulm Municipal Airport (KULM)

Lat: 44.32° N Lon: 94.5° W Elev: 1001 ft.

Fair

79°F

26°C

Humidity 51%
Wind Speed NW 12 G 24 mph
Barometer 30.06 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 9 Sep 2:55 pm CDT
Detailed forecast for

Brown County

Rest Of Today
Sunny. Near steady temperature in the upper 70s. Northwest winds 10 to 15 mph.
Tonight
Clear. Lows in the lower 50s. West winds up to 5 mph.
Thursday
Sunny. Highs in the lower 80s. Southwest winds up to 10 mph.
Thursday Night
Clear. Lows in the lower 60s. South winds 10 to 15 mph with gusts to around 30 mph.
Friday
Breezy, sunny. Highs in the lower 80s. South winds 15 to 25 mph.
Friday Night
Breezy. Partly cloudy. Chance of rain showers in the evening. Lows in the mid 50s. Chance of showers 50 percent.
Saturday
Mostly sunny. Highs in the lower 70s.
Saturday Night
Mostly clear. Lows around 50.
Sunday
Partly sunny. Chance of rain showers in the morning, then rain showers likely and chance of thunderstorms in the afternoon. Highs in the upper 60s. Chance of precipitation 60 percent.
Sunday Night
Chance of thunderstorms in the evening, then rain showers and chance of thunderstorms after midnight. Lows in the mid 50s. Chance of precipitation 80 percent.
Monday
Rain showers likely in the morning, then chance of rain showers in the afternoon. Highs in the lower 70s. Chance of showers 70 percent.
Monday Night
Partly cloudy. A 50 percent chance of rain showers in the evening. Lows around 50.
Tuesday
Mostly sunny. Highs in the upper 60s.



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127 PM CDT Wed Sep 9 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database