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

Areas of Dangerous Heat and Heavy Rain with Possible Flooding into this Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend with heat advisories in effect. Heavy to excessive rainfall occurring at times through Sunday could bring areas of flooding to parts of the upper Midwest, central Great Lakes, southern New England and Virginia/North Carolina tidewater region. Read More >

Hazardous Weather Conditions

Current conditions at

Concordia, Blosser Municipal Airport (KCNK)

Lat: 39.55°NLon: 97.65°WElev: 1486ft.

Fair

76°F

24°C

Humidity 74%
Wind Speed S 14 mph
Barometer 30.08 in (1016.7 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 18 Sep 4:55 am CDT
Extended Forecast for

Mankato KS

  • Today

    Today: Mostly sunny and hot, with a high near 95. Breezy, with a south southwest wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 95 °F

    Mostly Sunny
    then Sunny
    and Breezy

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 71. South wind 10 to 15 mph becoming northwest after midnight. Winds could gust as high as 25 mph.

    Low: 71 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 88. North wind around 10 mph.

    High: 88 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms. Increasing clouds, with a low around 64. North northeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 64 °F

    Chance
    T-storms

  • Sunday

    Sunday: A 30 percent chance of showers, mainly before 1pm. Mostly cloudy, with a high near 72. North northeast wind around 10 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 72 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 59.

    Low: 59 °F

    Slight Chance
    Showers

  • Monday

    Monday: Partly sunny, with a high near 70.

    High: 70 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 68.

    High: 68 °F

    Mostly Cloudy

Detailed Forecast

Today
Mostly sunny and hot, with a high near 95. Breezy, with a south southwest wind 10 to 20 mph, with gusts as high as 30 mph.
Tonight
A 20 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 71. South wind 10 to 15 mph becoming northwest after midnight. Winds could gust as high as 25 mph.
Saturday
Mostly sunny, with a high near 88. North wind around 10 mph.
Saturday Night
A chance of showers and thunderstorms. Increasing clouds, with a low around 64. North northeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
A 30 percent chance of showers, mainly before 1pm. Mostly cloudy, with a high near 72. North northeast wind around 10 mph. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 59.
Monday
Partly sunny, with a high near 70.
Monday Night
Partly cloudy, with a low around 54.
Tuesday
Mostly cloudy, with a high near 68.
Tuesday Night
Mostly cloudy, with a low around 54.
Wednesday
A 20 percent chance of showers. Mostly cloudy, with a high near 69.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 58.
Thursday
A 30 percent chance of showers. Mostly cloudy, with a high near 72.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mankato KS
 39.78°N 98.19°W (Elev. 1745 ft)
Last Update:
4:36 am CDT Sep 18, 2026
Forecast Valid:
5am CDT Sep 18, 2026-6pm CDT Sep 24, 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