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

Mankato, Mankato Regional Airport (KMKT)

Lat: 44.22°NLon: 93.92°WElev: 1020ft.

Fair

59°F

15°C

Humidity 93%
Wind Speed S 5 mph
Barometer 30.03 in (1016.8 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 20 Aug 4:56 am CDT
Extended Forecast for

3 Miles WNW Janesville MN

  • Today

    Today: Increasing clouds, with a high near 81. South southwest wind 5 to 15 mph.

    High: 81 °F

    Increasing
    Clouds

  • Tonight

    Tonight: A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 11pm.  Partly cloudy, with a low around 61. Southwest wind 5 to 10 mph.  Chance of precipitation is 30%.

    Low: 61 °F

    Chance
    Showers then
    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 80. Northwest wind 5 to 10 mph.

    High: 80 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 60. Northwest wind around 5 mph becoming calm  in the evening.

    Low: 60 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 78. North northwest wind 5 to 15 mph.

    High: 78 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 55. North northwest wind around 5 mph becoming calm  after midnight.

    Low: 55 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 77. Calm wind becoming east around 5 mph.

    High: 77 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of showers after 1am.  Partly cloudy, with a low around 58. Calm wind becoming south southeast around 5 mph in the evening.

    Low: 58 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Monday

    Monday: Partly sunny, with a high near 78. South wind 5 to 10 mph.

    High: 78 °F

    Partly Sunny

Detailed Forecast

Today
Increasing clouds, with a high near 81. South southwest wind 5 to 15 mph.
Tonight
A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 11pm. Partly cloudy, with a low around 61. Southwest wind 5 to 10 mph. Chance of precipitation is 30%.
Friday
Sunny, with a high near 80. Northwest wind 5 to 10 mph.
Friday Night
Mostly clear, with a low around 60. Northwest wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 78. North northwest wind 5 to 15 mph.
Saturday Night
Mostly clear, with a low around 55. North northwest wind around 5 mph becoming calm after midnight.
Sunday
Mostly sunny, with a high near 77. Calm wind becoming east around 5 mph.
Sunday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 58. Calm wind becoming south southeast around 5 mph in the evening.
Monday
Partly sunny, with a high near 78. South wind 5 to 10 mph.
Monday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 63. South wind around 10 mph.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 82. South southwest wind around 10 mph becoming west in the afternoon.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 62. West northwest wind 5 to 10 mph.
Wednesday
Mostly sunny, with a high near 80. Northwest wind 5 to 10 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Janesville MN
 44.14°N 93.77°W (Elev. 1070 ft)
2:20 am CDT Aug 20, 2026
5am CDT Aug 20, 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