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.

A Few Clouds

63°F

17°C

Humidity 81%
Wind Speed Calm
Barometer 29.98 in (1015.1 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 19 Aug 12:56 am CDT
Extended Forecast for

10 Miles NW Saint Peter MN

  • Overnight

    Overnight: Partly cloudy, with a low around 57. Northeast wind around 5 mph.

    Low: 57 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 78. East wind around 5 mph becoming south southwest in the afternoon.

    High: 78 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 60. South wind around 5 mph.

    Low: 60 °F

    Mostly Clear

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 83. South southwest wind 5 to 10 mph.  New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 83 °F

    Mostly 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 62. South southwest wind 5 to 10 mph.  Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 62 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: Sunny, with a high near 82. Northwest wind 5 to 10 mph.

    High: 82 °F

    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 57. North northwest wind around 5 mph becoming east after midnight.

    Low: 57 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 57. Northeast wind around 5 mph.
Wednesday
Mostly sunny, with a high near 78. East wind around 5 mph becoming south southwest in the afternoon.
Wednesday Night
Mostly clear, with a low around 60. South wind around 5 mph.
Thursday
A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 83. South southwest wind 5 to 10 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
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 62. South southwest wind 5 to 10 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Sunny, with a high near 82. 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 57. North northwest wind around 5 mph becoming east after midnight.
Sunday
Mostly sunny, with a high near 79. Southeast wind around 5 mph.
Sunday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 60. South wind around 5 mph.
Monday
Mostly sunny, with a high near 82. Southwest wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around 62. South southwest wind around 5 mph.
Tuesday
Sunny, with a high near 84. West wind 5 to 10 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles NW Saint Peter MN
 44.42°N 94.13°W (Elev. 1001 ft)
11:51 pm CDT Aug 18, 2026
1am CDT Aug 19, 2026-6pm CDT Aug 25, 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