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

Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >

Hazardous Weather Conditions

Current conditions at

Mankato, Mankato Regional Airport (KMKT)

Lat: 44.22°NLon: 93.92°WElev: 1020ft.

Fair

77°F

25°C

Humidity 60%
Wind Speed S 8 mph
Barometer 30.13 in (1020.0 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 28 Aug 12:56 pm CDT
Extended Forecast for

Mankato MN

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 84. South wind around 5 mph.

    High: 84 °F

    Partly Sunny

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5am. Increasing clouds, with a low around 66. South southeast wind 5 to 15 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 66 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Saturday

    Saturday: Showers and possibly a thunderstorm before 10am, then a chance of showers between 10am and 11am. High near 85. South southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 85 °F

    Showers then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, then becoming mostly cloudy toward daybreak, with a low around 69. Southeast wind 5 to 10 mph.

    Low: 69 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers before 1pm. Partly sunny, with a high near 89. South southeast wind 5 to 10 mph.

    High: 89 °F

    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 71. South southeast wind 5 to 10 mph.

    Low: 71 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 89. South southwest wind around 5 mph becoming west in the afternoon.

    High: 89 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 67. West wind around 5 mph becoming calm.

    Low: 67 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: A 20 percent chance of showers before 1pm. Partly sunny, with a high near 86. Calm wind becoming south around 5 mph in the afternoon.

    High: 86 °F

    Slight Chance
    Showers

Detailed Forecast

This Afternoon
Partly sunny, with a high near 84. South wind around 5 mph.
Tonight
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5am. Increasing clouds, with a low around 66. South southeast wind 5 to 15 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
Showers and possibly a thunderstorm before 10am, then a chance of showers between 10am and 11am. High near 85. South southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Mostly clear, then becoming mostly cloudy toward daybreak, with a low around 69. Southeast wind 5 to 10 mph.
Sunday
A 20 percent chance of showers before 1pm. Partly sunny, with a high near 89. South southeast wind 5 to 10 mph.
Sunday Night
Partly cloudy, with a low around 71. South southeast wind 5 to 10 mph.
Monday
Partly sunny, with a high near 89. South southwest wind around 5 mph becoming west in the afternoon.
Monday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 67. West wind around 5 mph becoming calm.
Tuesday
A 20 percent chance of showers before 1pm. Partly sunny, with a high near 86. Calm wind becoming south around 5 mph in the afternoon.
Tuesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67. East northeast wind around 5 mph.
Wednesday
A 20 percent chance of showers. Mostly sunny, with a high near 87. Calm wind becoming south southwest around 5 mph in the morning.
Wednesday Night
A 20 percent chance of showers. Mostly clear, with a low around 69. Southeast wind around 5 mph.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87. Southeast wind 5 to 10 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Mankato MN
 44.17°N 93.98°W (Elev. 1010 ft)
Last Update:
1:26 pm CDT Aug 28, 2026
Forecast Valid:
1pm CDT Aug 28, 2026-6pm CDT Sep 3, 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