Thunderstorms and Heavy Rainfall in the Plains; Hazardous Heat in the South and Southeast

Severe thunderstorms will be possible across the northern/central Plains through Tuesday afternoon and from the central Plains to the Mid-Mississippi Valley Tuesday evening through Wednesday morning. Storms may produce large hail and damaging wind gusts, and heavy rainfall may lead to scattered instances of flash flooding. Meanwhile, hazardous heat persists across the South and Southeast. Read More >

Hazardous Weather Conditions

Current conditions at

Chippewa Valley Regional Airport (KEAU)

Lat: 44.87°NLon: 91.49°WElev: 886ft.

Fair

70°F

21°C

Humidity 68%
Wind Speed SW 5 mph
Barometer 29.95 in (1013.7 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 17 Aug 10:56 pm CDT
Extended Forecast for

Tainter Lake WI

  • Tonight

    Tonight: A chance of showers and thunderstorms between midnight and 3am.  Mostly cloudy, with a low around 63. West southwest wind around 5 mph.  Chance of precipitation is 40%.

    Low: 63 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms, mainly after 4pm.  Partly sunny, with a high near 79. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 79 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers, mainly before 7pm.  Mostly clear, with a low around 54. North northwest wind around 5 mph becoming calm  in the evening.

    Low: 54 °F

    Chance
    Showers then
    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 79. Calm wind becoming west northwest around 5 mph in the afternoon.

    High: 79 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 56. Calm wind.

    Low: 56 °F

    Mostly Clear

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 83. Light south wind becoming southwest 5 to 10 mph in the morning.

    High: 83 °F

    Mostly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am.  Mostly cloudy, with a low around 62. Southwest wind 5 to 10 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 62 °F

    Showers
    Likely

  • Friday

    Friday: Mostly sunny, with a high near 82. West southwest wind 5 to 10 mph becoming northwest in the afternoon.

    High: 82 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 59. Northwest wind 5 to 10 mph.

    Low: 59 °F

    Mostly Clear

Detailed Forecast

Tonight
A chance of showers and thunderstorms between midnight and 3am. Mostly cloudy, with a low around 63. West southwest wind around 5 mph. Chance of precipitation is 40%.
Tuesday
A 40 percent chance of showers and thunderstorms, mainly after 4pm. Partly sunny, with a high near 79. Calm wind becoming northwest around 5 mph in the afternoon.
Tuesday Night
A 30 percent chance of showers, mainly before 7pm. Mostly clear, with a low around 54. North northwest wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 79. Calm wind becoming west northwest around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 56. Calm wind.
Thursday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 83. Light south wind becoming southwest 5 to 10 mph in the morning.
Thursday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 62. Southwest wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Mostly sunny, with a high near 82. West southwest wind 5 to 10 mph becoming northwest in the afternoon.
Friday Night
Mostly clear, with a low around 59. Northwest wind 5 to 10 mph.
Saturday
Sunny, with a high near 79. North northwest wind 5 to 10 mph.
Saturday Night
Mostly clear, with a low around 55. North wind around 5 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 79. Calm wind becoming northeast around 5 mph.
Sunday Night
Partly cloudy, with a low around 58. Southeast wind around 5 mph.
Monday
Mostly sunny, with a high near 81. South southeast wind around 5 mph becoming southwest in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
Tainter Lake WI
 44.98°N 91.83°W (Elev. 896 ft)
10:31 pm CDT Aug 17, 2026
11pm CDT Aug 17, 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