Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >

Hazardous Weather Conditions

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 65%
Wind Speed SE 7 mph
Barometer 30.02 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 28 Aug 6:35 pm CDT
Detailed forecast for

Brown County

Tonight
Warmer. Mostly cloudy. Slight chance of thunderstorms late in the evening. Chance of thunderstorms after midnight, then showers and slight chance of thunderstorms late in the night. Lows in the mid 60s. South winds 10 to 15 mph. Chance of precipitation 80 percent.
Saturday
Mostly cloudy with chance of showers and slight chance of thunderstorms in the morning, then mostly sunny in the afternoon. Highs in the upper 80s. South winds 10 to 20 mph. Chance of precipitation 50 percent.
Saturday Night
Partly cloudy. Lows in the upper 60s. Southeast winds 5 to 10 mph.
Sunday
Mostly sunny. Highs in the upper 80s. Southeast winds 5 to 10 mph.
Sunday Night
Partly cloudy. Lows around 70. South winds 5 to 10 mph.
Monday
Partly sunny. Highs in the upper 80s.
Monday Night
Partly cloudy. Lows in the mid 60s.
Tuesday
Partly sunny. Highs in the mid 80s.
Tuesday Night
Mostly cloudy. Chance of thunderstorms in the evening, then chance of showers after midnight. Lows in the mid 60s. Chance of precipitation 50 percent.
Wednesday
Mostly sunny. Highs in the upper 80s.
Wednesday Night
Mostly clear. Lows in the mid 60s.
Thursday
Mostly sunny. Highs in the upper 80s.
Thursday Night
Partly cloudy. Lows in the mid 60s.
Friday
Mostly sunny. Highs in the upper 80s.



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418 PM CDT Fri Aug 28 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database