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

85°F

29°C

Humidity 91%
Wind Speed S 5 mph
Barometer 29.79 in (1007.8 mb)
Dewpoint 82°F (28°C)
Visibility 10.00 mi
Heat Index102°F (39°C)
Last update 26 Jul 8:56 pm CDT
Extended Forecast for

Saint Clair MN

Heat Advisory until July 27, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory until July 27, 08:00pm

    NOW until 8:00pm Mon

    Heat Advisory

  • Tonight

    Low: 75 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny and hot, with a high near 94. Heat index values as high as 99. West southwest wind 5 to 15 mph becoming north northwest in the afternoon.

    High: 94 °F

    Hot

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 68. North wind 5 to 10 mph.

    Low: 68 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 88. East wind around 5 mph.

    High: 88 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 67. South wind around 5 mph.

    Low: 67 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 90. South wind 5 to 10 mph.

    High: 90 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 69. South wind around 10 mph.

    Low: 69 °F

    Mostly Clear

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms after 1pm. Increasing clouds, with a high near 85. South wind around 10 mph.

    High: 85 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

Tonight
Mostly clear, with a low around 75. South wind around 10 mph.
Monday
Mostly sunny and hot, with a high near 94. Heat index values as high as 99. West southwest wind 5 to 15 mph becoming north northwest in the afternoon.
Monday Night
Mostly cloudy, with a low around 68. North wind 5 to 10 mph.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 88. East wind around 5 mph.
Tuesday Night
Mostly clear, with a low around 67. South wind around 5 mph.
Wednesday
Sunny, with a high near 90. South wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 69. South wind around 10 mph.
Thursday
A 40 percent chance of showers and thunderstorms after 1pm. Increasing clouds, with a high near 85. South wind around 10 mph.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 67. South wind 5 to 10 mph. Chance of precipitation is 60%.
Friday
A 40 percent chance of showers before 1pm. Mostly sunny, with a high near 81. North wind 5 to 10 mph.
Friday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 64. North wind around 5 mph becoming calm after midnight.
Saturday
Sunny, with a high near 82. North wind around 5 mph.
Saturday Night
Mostly clear, with a low around 64. North wind around 5 mph becoming south after midnight.
Sunday
Sunny, with a high near 86. South wind 5 to 10 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Saint Clair MN
 44.08°N 93.86°W (Elev. 1007 ft)
Last Update:
9:01 pm CDT Jul 26, 2026
Forecast Valid:
9pm CDT Jul 26, 2026-6pm CDT Aug 2, 2026
 
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