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

Hazardous Weather Conditions

Current conditions at

Chippewa Valley Regional Airport (KEAU)

Lat: 44.87°NLon: 91.49°WElev: 886ft.

Mostly Cloudy

69°F

21°C

Humidity 78%
Wind Speed Calm
Barometer 29.73 in (1006.5 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 18 May 7:56 pm CDT
Extended Forecast for

Altoona WI

  • Tonight

    Tonight: Showers and thunderstorms before 3am, then showers likely. Low around 51. West wind around 5 mph becoming south after midnight. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 51 °F

    Showers

  • Tuesday

    Tuesday: A 30 percent chance of showers, mainly before 7am. Mostly cloudy, with a high near 58. West northwest wind 10 to 15 mph.

    High: 58 °F

    Chance
    Showers then
    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 40. Northwest wind 5 to 10 mph.

    Low: 40 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: Sunny, with a high near 62. North wind around 5 mph.

    High: 62 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 40. Calm wind becoming east southeast around 5 mph.

    Low: 40 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 64. Southeast wind 5 to 10 mph.

    High: 64 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 43. East southeast wind around 5 mph.

    Low: 43 °F

    Mostly Cloudy

  • Friday

    Friday: A 40 percent chance of showers. Mostly cloudy, with a high near 65. East southeast wind 5 to 10 mph.

    High: 65 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 46. East wind 5 to 10 mph.

    Low: 46 °F

    Chance
    Showers

Detailed Forecast

Tonight
Showers and thunderstorms before 3am, then showers likely. Low around 51. West wind around 5 mph becoming south after midnight. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday
A 30 percent chance of showers, mainly before 7am. Mostly cloudy, with a high near 58. West northwest wind 10 to 15 mph.
Tuesday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 40. Northwest wind 5 to 10 mph.
Wednesday
Sunny, with a high near 62. North wind around 5 mph.
Wednesday Night
Partly cloudy, with a low around 40. Calm wind becoming east southeast around 5 mph.
Thursday
Partly sunny, with a high near 64. Southeast wind 5 to 10 mph.
Thursday Night
Mostly cloudy, with a low around 43. East southeast wind around 5 mph.
Friday
A 40 percent chance of showers. Mostly cloudy, with a high near 65. East southeast wind 5 to 10 mph.
Friday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 46. East wind 5 to 10 mph.
Saturday
A 30 percent chance of showers. Mostly cloudy, with a high near 71. East wind around 5 mph becoming south in the afternoon.
Saturday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 51. South southeast wind around 5 mph becoming calm in the evening.
Sunday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 79. Southwest wind around 5 mph.
Sunday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 56. South southeast wind around 5 mph.
Memorial Day
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85. South 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:
7:41 pm CDT May 18, 2026
Forecast Valid:
8pm CDT May 18, 2026-6pm CDT May 25, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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