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 >

Current conditions at

New Ulm Municipal Airport (KULM)

Lat: 44.32°NLon: 94.5°WElev: 1001ft.

Fair

75°F

24°C

Humidity 57%
Wind Speed E 3 mph
Barometer 29.98 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 19 Aug 7:35 pm CDT
Extended Forecast for

4 Miles W Lafayette MN

  • Tonight

    Tonight: Mostly clear, with a low around 58. East northeast wind around 5 mph becoming south after midnight.

    Low: 58 °F

    Mostly Clear

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 4pm.  Sunny, with a high near 83. South southwest wind 5 to 15 mph.

    High: 83 °F

    Sunny then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms before 8pm.  Partly cloudy, with a low around 60. South southwest wind 5 to 10 mph becoming west northwest after midnight.

    Low: 60 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: Mostly cloudy through mid morning, then gradual clearing, with a high near 82. North northwest wind 5 to 10 mph.

    High: 82 °F

    Becoming
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 60. Northwest wind around 5 mph.

    Low: 60 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 80. North northwest wind 5 to 10 mph.

    High: 80 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 55. North northwest wind 5 to 10 mph becoming light and variable  after midnight.

    Low: 55 °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 20 percent chance of showers after 1am.  Partly cloudy, with a low around 59. Southeast wind around 5 mph.

    Low: 59 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 58. East northeast wind around 5 mph becoming south after midnight.
Thursday
A 20 percent chance of showers and thunderstorms after 4pm. Sunny, with a high near 83. South southwest wind 5 to 15 mph.
Thursday Night
A 20 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 60. South southwest wind 5 to 10 mph becoming west northwest after midnight.
Friday
Mostly cloudy through mid morning, then gradual clearing, with a high near 82. North northwest wind 5 to 10 mph.
Friday Night
Mostly clear, with a low around 60. Northwest wind around 5 mph.
Saturday
Sunny, with a high near 80. North northwest wind 5 to 10 mph.
Saturday Night
Mostly clear, with a low around 55. North northwest wind 5 to 10 mph becoming light and variable after midnight.
Sunday
Mostly sunny, with a high near 79. Calm wind becoming southeast around 5 mph in the afternoon.
Sunday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 59. Southeast wind around 5 mph.
Monday
A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 81. South wind 5 to 10 mph. Chance of precipitation is 20%.
Monday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 63. South wind 5 to 10 mph.
Tuesday
A 20 percent chance of showers. Mostly sunny, with a high near 84. West wind 5 to 10 mph.
Tuesday Night
Mostly clear, with a low around 62. West wind 5 to 10 mph becoming north in the evening.
Wednesday
Sunny, with a high near 82. North wind 5 to 10 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles W Lafayette MN
 44.45°N 94.46°W (Elev. 1060 ft)
5:31 pm CDT Aug 19, 2026
7pm CDT Aug 19, 2026-6pm CDT Aug 26, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database