Severe Thunderstorms in the Central Plains and Lower Missouri Valley; Heat Continues in the Southeast and Southwest

Severe thunderstorms capable of large hail and damaging wind gusts are forecast to impact the central Plains into the Lower Missouri Valley through this afternoon. Dangerous heat persists across the southern Plains, Southeast U.S. and Puerto Rico this week, and will return to the Southwest today. Read More >

Hazardous Weather Conditions

Current conditions at

Mankato, Mankato Regional Airport (KMKT)

Lat: 44.22°NLon: 93.92°WElev: 1020ft.

Fair

65°F

18°C

Humidity 97%
Wind Speed Calm
Barometer 29.93 in (1013.1 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 18 Aug 6:56 am CDT
Extended Forecast for

3 Miles WNW Janesville MN

  • Today

    Today: A 40 percent chance of showers and thunderstorms, mainly after 5pm.  Cloudy, then gradually becoming mostly sunny, with a high near 77. South wind around 5 mph becoming northwest in the morning.

    High: 77 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms before 7pm.  Mostly cloudy, then gradually becoming clear, with a low around 57. West northwest wind around 5 mph becoming calm  in the evening.

    Low: 57 °F

    Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 77. Calm wind becoming west around 5 mph.

    High: 77 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 59. Calm wind becoming south southwest around 5 mph after midnight.

    Low: 59 °F

    Mostly Clear

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 1pm.  Sunny, with a high near 81. South southwest wind 5 to 10 mph.

    High: 81 °F

    Sunny then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am.  Partly cloudy, with a low around 62. Southwest wind around 10 mph.  Chance of precipitation is 30%.

    Low: 62 °F

    Chance
    Showers

  • Friday

    Friday: Sunny, with a high near 81. West northwest wind 5 to 10 mph.

    High: 81 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 60. West northwest wind around 5 mph.

    Low: 60 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 78. North northwest wind 5 to 10 mph.

    High: 78 °F

    Sunny

Detailed Forecast

Today
A 40 percent chance of showers and thunderstorms, mainly after 5pm. Cloudy, then gradually becoming mostly sunny, with a high near 77. South wind around 5 mph becoming northwest in the morning.
Tonight
A 30 percent chance of showers and thunderstorms before 7pm. Mostly cloudy, then gradually becoming clear, with a low around 57. West northwest wind around 5 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 77. Calm wind becoming west around 5 mph.
Wednesday Night
Mostly clear, with a low around 59. Calm wind becoming south southwest around 5 mph after midnight.
Thursday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 81. South southwest wind 5 to 10 mph.
Thursday Night
A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Partly cloudy, with a low around 62. Southwest wind around 10 mph. Chance of precipitation is 30%.
Friday
Sunny, with a high near 81. West northwest wind 5 to 10 mph.
Friday Night
Mostly clear, with a low around 60. West northwest wind around 5 mph.
Saturday
Sunny, with a high near 78. North northwest wind 5 to 10 mph.
Saturday Night
Mostly clear, with a low around 58. Northwest wind around 5 mph becoming east southeast after midnight.
Sunday
Mostly sunny, with a high near 77. Calm wind becoming south around 5 mph in the morning.
Sunday Night
A 20 percent chance of showers. Partly cloudy, with a low around 60. South southeast wind around 5 mph.
Monday
Mostly sunny, with a high near 79. Southwest wind 5 to 10 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Janesville MN
 44.14°N 93.77°W (Elev. 1070 ft)
6:26 am CDT Aug 18, 2026
7am CDT Aug 18, 2026-6pm CDT Aug 24, 2026
 
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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