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

78°F

26°C

Humidity 93%
Wind Speed SE 14 mph
Barometer 29.68 in (1004.3 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 29 Jun 2:56 am CDT
Extended Forecast for

Saint Clair MN

Extreme Heat Warning June 29, 09:00am until June 30, 12:00am
Click here for hazard details and duration
Extreme Heat Warning

  • Overnight

    Overnight: Partly cloudy, with a low around 76. South wind around 15 mph.

    Low: 76 °F

    Partly Cloudy

  • Monday

    Monday: Sunny and hot, with a high near 94. Heat index values as high as 110. Breezy, with a south southeast wind 15 to 20 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 35 mph.

    High: 94 °F

    Hot and
    Breezy

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms, mainly before midnight. Partly cloudy, with a low around 72. Breezy, with a south wind 15 to 25 mph decreasing to 5 to 15 mph after midnight. Winds could gust as high as 35 mph.

    Low: 72 °F

    Chance
    T-storms and
    Breezy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 92. Heat index values as high as 97. South southwest wind 5 to 10 mph.

    High: 92 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 72. South southwest wind 5 to 10 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 72 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 92 °F

    Chance
    T-storms then
    Chance
    Showers and
    Breezy

  • Wednesday Night

    Wednesday Night: Showers likely, with thunderstorms also possible after 1am. Partly cloudy, with a low around 72. Breezy, with a south southwest wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 72 °F

    Showers
    Likely and
    Breezy

  • Thursday

    Thursday: Mostly sunny, with a high near 91. South southwest wind around 10 mph.

    High: 91 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm. Partly cloudy, with a low around 71. South wind 5 to 15 mph. Chance of precipitation is 70%.

    Low: 71 °F

    Showers
    Likely

Detailed Forecast

Overnight
Partly cloudy, with a low around 76. South wind around 15 mph.
Monday
Sunny and hot, with a high near 94. Heat index values as high as 110. Breezy, with a south southeast wind 15 to 20 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 35 mph.
Monday Night
A 30 percent chance of showers and thunderstorms, mainly before midnight. Partly cloudy, with a low around 72. Breezy, with a south wind 15 to 25 mph decreasing to 5 to 15 mph after midnight. Winds could gust as high as 35 mph.
Tuesday
Mostly sunny, with a high near 92. Heat index values as high as 97. South southwest wind 5 to 10 mph.
Tuesday Night
A 50 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 72. South southwest wind 5 to 10 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers likely, with thunderstorms also possible after 1am. Partly cloudy, with a low around 72. Breezy, with a south southwest wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Mostly sunny, with a high near 91. South southwest wind around 10 mph.
Thursday Night
Showers likely and possibly a thunderstorm. Partly cloudy, with a low around 71. South wind 5 to 15 mph. Chance of precipitation is 70%.
Friday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 88. South wind 10 to 15 mph. Chance of precipitation is 20%.
Friday Night
A 30 percent chance of showers and thunderstorms. Mostly clear, with a low around 72. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Independence Day
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88. South wind 10 to 15 mph.
Saturday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 69. East southeast wind 10 to 15 mph becoming west northwest after midnight. Chance of precipitation is 60%.
Sunday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 83. Northwest wind around 10 mph.
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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:
2:41 am CDT Jun 29, 2026
Forecast Valid:
3am CDT Jun 29, 2026-6pm CDT Jul 5, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation