Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

Mankato, Mankato Regional Airport (KMKT)

Lat: 44.22°NLon: 93.92°WElev: 1020ft.

Fair

59°F

15°C

Humidity 87%
Wind Speed N 3 mph
Barometer 30.00 in (1015.7 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 19 Aug 4:56 am CDT
Extended Forecast for

3 Miles WNW Saint Peter MN

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 80. Calm wind becoming northwest around 5 mph.

    High: 80 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Mostly clear, with a low around 60. Calm wind becoming south southwest around 5 mph after midnight.

    Low: 60 °F

    Mostly Clear

  • Thursday

    Thursday: A chance of thunderstorms after 5pm.  Sunny, with a high near 83. South southwest wind 5 to 15 mph.  Chance of precipitation is 30%.

    High: 83 °F

    Sunny then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am.  Partly cloudy, with a low around 63. Southwest wind 5 to 10 mph.  Chance of precipitation is 30%.

    Low: 63 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: Sunny, with a high near 83. Northwest wind 5 to 10 mph.

    High: 83 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 62. Northwest wind around 5 mph.

    Low: 62 °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: Partly cloudy, with a low around 58. North northwest wind around 5 mph becoming calm  after midnight.

    Low: 58 °F

    Partly Cloudy

  • Sunday

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

    High: 79 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 80. Calm wind becoming northwest around 5 mph.
Tonight
Mostly clear, with a low around 60. Calm wind becoming south southwest around 5 mph after midnight.
Thursday
A chance of thunderstorms after 5pm. Sunny, with a high near 83. South southwest wind 5 to 15 mph. Chance of precipitation is 30%.
Thursday Night
A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Partly cloudy, with a low around 63. Southwest wind 5 to 10 mph. Chance of precipitation is 30%.
Friday
Sunny, with a high near 83. Northwest wind 5 to 10 mph.
Friday Night
Mostly clear, with a low around 62. Northwest wind around 5 mph.
Saturday
Sunny, with a high near 80. North northwest wind 5 to 10 mph.
Saturday Night
Partly cloudy, with a low around 58. North northwest wind around 5 mph becoming calm after midnight.
Sunday
Mostly sunny, with a high near 79. Calm wind becoming east southeast around 5 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 60. Southeast wind around 5 mph.
Monday
Mostly sunny, with a high near 82. South southwest wind 5 to 10 mph.
Monday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 63. South wind 5 to 10 mph.
Tuesday
Sunny, with a high near 84. West northwest wind 5 to 10 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Saint Peter MN
 44.36°N 94.01°W (Elev. 1001 ft)
5:46 am CDT Aug 19, 2026
5am CDT Aug 19, 2026-6pm CDT Aug 25, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database