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

Hazardous Weather Conditions

Current conditions at

Mankato, Mankato Regional Airport (KMKT)

Lat: 44.22°NLon: 93.92°WElev: 1020ft.

Fair

81°F

27°C

Humidity 77%
Wind Speed S 15 G 23 mph
Barometer 29.52 in (999.1 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 21 Jun 1:56 am CDT
Extended Forecast for

Saint Clair MN

Extreme Heat Warning June 21, 02:07am until June 22, 09:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning June 21, 02:07am until June 22, 09:00pm

    NOW until 9:00pm Sun

    Extreme Heat Warning

  • Overnight

    Low: 77 °F

    Mostly Clear
    and Breezy

  • Saturday

    Saturday: Sunny and hot, with a high near 96. Heat index values as high as 106. Breezy, with a south wind 20 to 25 mph, with gusts as high as 35 mph.

    High: 96 °F

    Hot and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 79. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 79 °F

    Mostly Clear
    then Mostly
    Clear and
    Breezy

  • Sunday

    Sunday: Sunny and hot, with a high near 97. Heat index values as high as 103. Breezy, with a south wind 20 to 25 mph, with gusts as high as 35 mph.

    High: 97 °F

    Hot and
    Breezy

  • Sunday Night

    Sunday Night: A 50 percent chance of showers and thunderstorms. Increasing clouds, with a low around 71. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 71 °F

    Chance
    T-storms and
    Breezy

  • Monday

    Monday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 83. West wind 10 to 15 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 83 °F

    Chance
    T-storms then
    Showers
    Likely

  • Monday Night

    Monday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 60. North northeast wind 5 to 10 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 60 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 75. East wind 5 to 10 mph. Chance of precipitation is 60%.

    High: 75 °F

    Showers
    Likely

Detailed Forecast

Overnight
Mostly clear, with a low around 77. Breezy, with a south wind around 20 mph, with gusts as high as 30 mph.
Saturday
Sunny and hot, with a high near 96. Heat index values as high as 106. Breezy, with a south wind 20 to 25 mph, with gusts as high as 35 mph.
Saturday Night
Mostly clear, with a low around 79. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph.
Sunday
Sunny and hot, with a high near 97. Heat index values as high as 103. Breezy, with a south wind 20 to 25 mph, with gusts as high as 35 mph.
Sunday Night
A 50 percent chance of showers and thunderstorms. Increasing clouds, with a low around 71. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph.
Monday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 83. West wind 10 to 15 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 60. North northeast wind 5 to 10 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 75. East wind 5 to 10 mph. Chance of precipitation is 60%.
Tuesday Night
Showers and possibly a thunderstorm. Low around 64. East wind 5 to 10 mph. Chance of precipitation is 90%.
Wednesday
Showers and possibly a thunderstorm. High near 78. South southeast wind around 10 mph. Chance of precipitation is 90%.
Wednesday Night
Showers and possibly a thunderstorm. Low around 64. East northeast wind around 10 mph becoming southeast after midnight. Chance of precipitation is 80%.
Thursday
Showers and thunderstorms likely. Mostly cloudy, with a high near 77. Southeast wind around 10 mph becoming west northwest in the afternoon. Chance of precipitation is 60%.
Thursday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 62. East wind 5 to 10 mph becoming south southeast after midnight.
Friday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 79. East wind 5 to 10 mph becoming south in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Clair MN
 44.08°N 93.86°W (Elev. 1007 ft)
Last Update:
12:07 am CDT Jun 21, 2025
Forecast Valid:
2am CDT Jun 21, 2025-6pm CDT Jun 27, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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