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

Chippewa Valley Regional Airport (KEAU)

Lat: 44.87°NLon: 91.49°WElev: 886ft.

Fair

67°F

19°C

Humidity 37%
Wind Speed W 8 mph
Barometer 29.94 in (1013.7 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Last update 14 Jun 7:56 pm CDT
Extended Forecast for

Altoona WI

  • Tonight

    Tonight: Mostly clear, with a low around 48. West northwest wind around 5 mph becoming calm after midnight.

    Low: 48 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 76. West wind 5 to 10 mph.

    High: 76 °F

    Sunny

  • Monday Night

    Monday Night: Scattered showers and thunderstorms before 4am, then isolated showers after 5am. Increasing clouds, with a low around 54. West wind around 5 mph becoming south after midnight. Chance of precipitation is 30%.

    Low: 54 °F

    Isolated
    T-storms then
    Scattered
    Showers

  • Tuesday

    Tuesday: Showers likely, with thunderstorms also possible after 10am. Mostly sunny, with a high near 72. West southwest wind 5 to 15 mph becoming northwest in the afternoon. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 72 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 50. Northwest wind around 5 mph becoming calm in the evening.

    Low: 50 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Showers likely, then showers and possibly a thunderstorm after 1pm. High near 68. South wind 5 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 68 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 52. East southeast wind around 10 mph becoming north northwest after midnight. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 52 °F

    Showers

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 72. Northwest wind around 10 mph. Chance of precipitation is 30%.

    High: 72 °F

    Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 51. West northwest wind 5 to 10 mph.

    Low: 51 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 48. West northwest wind around 5 mph becoming calm after midnight.
Monday
Sunny, with a high near 76. West wind 5 to 10 mph.
Monday Night
Scattered showers and thunderstorms before 4am, then isolated showers after 5am. Increasing clouds, with a low around 54. West wind around 5 mph becoming south after midnight. Chance of precipitation is 30%.
Tuesday
Showers likely, with thunderstorms also possible after 10am. Mostly sunny, with a high near 72. West southwest wind 5 to 15 mph becoming northwest in the afternoon. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Partly cloudy, with a low around 50. Northwest wind around 5 mph becoming calm in the evening.
Wednesday
Showers likely, then showers and possibly a thunderstorm after 1pm. High near 68. South wind 5 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 52. East southeast wind around 10 mph becoming north northwest after midnight. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 72. Northwest wind around 10 mph. Chance of precipitation is 30%.
Thursday Night
Partly cloudy, with a low around 51. West northwest wind 5 to 10 mph.
Juneteenth
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 74. West northwest wind 5 to 10 mph.
Friday Night
A 20 percent chance of showers. Mostly clear, with a low around 52. West northwest wind around 5 mph becoming calm in the evening.
Saturday
A 20 percent chance of showers. Sunny, with a high near 77. Calm wind becoming west around 5 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 54. West northwest wind around 5 mph becoming calm in the evening.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 74. East northeast wind around 5 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Altoona WI
 44.8°N 91.44°W (Elev. 850 ft)
Last Update:
5:07 pm CDT Jun 14, 2026
Forecast Valid:
8pm CDT Jun 14, 2026-6pm CDT Jun 21, 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