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

Chippewa Valley Regional Airport (KEAU)

Lat: 44.87°NLon: 91.49°WElev: 886ft.

Fair

63°F

17°C

Humidity 84%
Wind Speed Calm
Barometer 30.05 in (1017.2 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 28 Aug 11:56 pm CDT
Extended Forecast for

3 Miles SSW Altoona WI

  • Overnight

    Overnight: A 30 percent chance of showers, mainly after 4am.  Mostly cloudy, with a low around 65. South wind around 5 mph.

    Low: 65 °F

    Chance
    Showers

  • Saturday

    Saturday: Showers and thunderstorms, mainly before 3pm.  High near 76. South southeast wind 10 to 15 mph.  Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 76 °F

    Showers

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 66. Southeast wind 5 to 10 mph.

    Low: 66 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers after 1pm.  Partly sunny, with a high near 86. South southeast wind 5 to 10 mph.

    High: 86 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Sunday Night

    Sunday Night: A slight chance of showers before 10pm, then a slight chance of showers and thunderstorms between 10pm and 4am, then a slight chance of showers after 4am.  Partly cloudy, with a low around 71. Southeast wind around 5 mph.  Chance of precipitation is 20%.

    Low: 71 °F

    Slight Chance
    T-storms

  • Monday

    Monday: Partly sunny, with a high near 90. South southeast wind 5 to 10 mph becoming west southwest in the afternoon.

    High: 90 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am.  Partly cloudy, with a low around 68. West wind around 5 mph becoming calm  in the evening.

    Low: 68 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms.  Partly sunny, with a high near 87. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 87 °F

    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms, then a chance of showers after 1am.  Mostly cloudy, with a low around 67. Calm wind.  Chance of precipitation is 40%.

    Low: 67 °F

    Slight Chance
    T-storms then
    Chance
    Showers

Detailed Forecast

Overnight
A 30 percent chance of showers, mainly after 4am. Mostly cloudy, with a low around 65. South wind around 5 mph.
Saturday
Showers and thunderstorms, mainly before 3pm. High near 76. South southeast wind 10 to 15 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Mostly cloudy, with a low around 66. Southeast wind 5 to 10 mph.
Sunday
A 20 percent chance of showers after 1pm. Partly sunny, with a high near 86. South southeast wind 5 to 10 mph.
Sunday Night
A slight chance of showers before 10pm, then a slight chance of showers and thunderstorms between 10pm and 4am, then a slight chance of showers after 4am. Partly cloudy, with a low around 71. Southeast wind around 5 mph. Chance of precipitation is 20%.
Monday
Partly sunny, with a high near 90. South southeast wind 5 to 10 mph becoming west southwest in the afternoon.
Monday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 68. West wind around 5 mph becoming calm in the evening.
Tuesday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 87. Calm wind becoming southwest around 5 mph in the afternoon.
Tuesday Night
A slight chance of showers and thunderstorms, then a chance of showers after 1am. Mostly cloudy, with a low around 67. Calm wind. Chance of precipitation is 40%.
Wednesday
A 20 percent chance of showers. Partly sunny, with a high near 88. Calm wind becoming east around 5 mph in the morning.
Wednesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 66. North wind around 5 mph becoming calm.
Thursday
A 20 percent chance of showers. Mostly sunny, with a high near 86. South wind 5 to 10 mph.
Thursday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 67. South southeast wind around 5 mph.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87. South southeast wind 5 to 10 mph becoming southwest in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Altoona WI
 44.76°N 91.47°W (Elev. 827 ft)
10:57 pm CDT Aug 28, 2026
12am CDT Aug 29, 2026-6pm CDT Sep 4, 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