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

80°F

27°C

Humidity 79%
Wind Speed SW 14 G 18 mph
Barometer 29.58 in (1000.8 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 21 Jun 5:56 am CDT
Extended Forecast for

Saint Clair MN

Extreme Heat Warning June 21, 06:23am until June 22, 09:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning June 21, 06:23am until June 22, 09:00pm

    NOW until 9:00pm Sun

    Extreme Heat Warning

  • Today

    High: 98 °F

    Hot and
    Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 78. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 78 °F

    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, mainly after 7pm. Partly cloudy, with a low around 72. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 72 °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 82. Northwest wind 10 to 15 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 82 °F

    Chance
    T-storms then
    Showers
    Likely

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 61. North northeast wind 5 to 10 mph.

    Low: 61 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 76. East northeast wind 5 to 10 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 76 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Low around 64. East wind 5 to 10 mph. Chance of precipitation is 90%.

    Low: 64 °F

    Showers
    Likely then
    Showers

Detailed Forecast

Today
Sunny and hot, with a high near 98. Heat index values as high as 109. Breezy, with a south southwest wind 20 to 25 mph, with gusts as high as 30 mph.
Tonight
Mostly clear, with a low around 78. Breezy, with a south southwest 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, mainly after 7pm. Partly cloudy, with a low around 72. 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 82. Northwest wind 10 to 15 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 61. North northeast wind 5 to 10 mph.
Tuesday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 76. East northeast wind 5 to 10 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
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. Southeast wind 5 to 10 mph becoming northeast in the afternoon. 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 76. South southwest wind around 10 mph becoming northwest in the afternoon. Chance of precipitation is 60%.
Thursday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 59. North northeast wind 5 to 10 mph.
Friday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 80. East northeast 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:
6:07 am CDT Jun 21, 2025
Forecast Valid:
6am CDT Jun 21, 2025-6pm CDT Jun 27, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation