National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Severe Thunderstorms in the Midwest and Arizona; Heat Continues in the Southeast and Southwest

Thunderstorms, some severe, may lead to scattered instances of flash flooding across the Midwest and Ohio Valley and southern Arizona. The threat will shift to the Mid-Atlantic coast on Thursday. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that little-to-no relief from the scorching daytime highs will be available. Read More >

Hazardous Weather Conditions

Current conditions at

New Ulm Municipal Airport (KULM)

Lat: 44.32°NLon: 94.5°WElev: 1001ft.

Fair

59°F

15°C

Humidity 94%
Wind Speed S 3 mph
Barometer 30.01 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 20 Aug 3:15 am CDT
Extended Forecast for

4 Miles SSE Sleepy Eye MN

  • Overnight

    Overnight: Clear, with a low around 58. South wind around 5 mph.

    Low: 58 °F

    Clear

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms, mainly after 5pm. Increasing clouds, with a high near 83. South southwest wind 5 to 15 mph.

    High: 83 °F

    Sunny then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms, mainly before 9pm. Partly cloudy, with a low around 59. South southwest wind 5 to 10 mph.

    Low: 59 °F

    Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 81. North northwest wind 5 to 10 mph.

    High: 81 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 59. North northwest wind around 5 mph.

    Low: 59 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 79. North wind 5 to 10 mph.

    High: 79 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 53. North wind around 5 mph becoming calm after midnight.

    Low: 53 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 79. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 79 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of showers after 1am. Partly cloudy, with a low around 58. South southeast wind around 5 mph.

    Low: 58 °F

    Partly Cloudy
    then Chance
    Showers

Detailed Forecast

Overnight
Clear, with a low around 58. South wind around 5 mph.
Thursday
A 30 percent chance of showers and thunderstorms, mainly after 5pm. Increasing clouds, with a high near 83. South southwest wind 5 to 15 mph.
Thursday Night
A 30 percent chance of showers and thunderstorms, mainly before 9pm. Partly cloudy, with a low around 59. South southwest wind 5 to 10 mph.
Friday
Sunny, with a high near 81. North northwest wind 5 to 10 mph.
Friday Night
Mostly clear, with a low around 59. North northwest wind around 5 mph.
Saturday
Sunny, with a high near 79. North wind 5 to 10 mph.
Saturday Night
Mostly clear, with a low around 53. North wind around 5 mph becoming calm after midnight.
Sunday
Mostly sunny, with a high near 79. Calm wind becoming southeast around 5 mph in the afternoon.
Sunday Night
A 30 percent chance of showers after 1am. Partly cloudy, with a low around 58. South southeast wind around 5 mph.
Monday
A 20 percent chance of showers before 1pm. Partly sunny, with a high near 80. South wind around 10 mph.
Monday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 62. South wind around 10 mph.
Tuesday
Mostly sunny, with a high near 83. South southwest wind 10 to 15 mph becoming west northwest in the afternoon.
Tuesday Night
Partly cloudy, with a low around 61. Northwest wind 5 to 10 mph.
Wednesday
Mostly sunny, with a high near 81. Northwest wind 5 to 10 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSE Sleepy Eye MN
 44.23°N 94.7°W (Elev. 994 ft)
Last Update:
2:20 am CDT Aug 20, 2026
Forecast Valid:
3am CDT Aug 20, 2026-6pm CDT Aug 26, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation