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.

Fair

71°F

22°C

Humidity 87%
Wind Speed SW 3 mph
Barometer 30.14 in (1020.1 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 12 Jul 12:56 am CDT
Extended Forecast for

Altoona WI

Heat Advisory July 12, 10:00am until July 14, 12:00am
Click here for hazard details and duration
Heat Advisory

  • Overnight

    Overnight: Mostly clear, with a low around 68. South wind around 5 mph.

    Low: 68 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 91. Heat index values as high as 97. Southwest wind 5 to 10 mph.

    High: 91 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 70. Southwest wind around 5 mph.

    Low: 70 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 94. Heat index values as high as 99. West southwest wind around 5 mph.

    High: 94 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 70. West southwest wind around 5 mph.

    Low: 70 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 94. West southwest wind 5 to 10 mph.

    High: 94 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 71. West southwest wind around 5 mph becoming calm after midnight.

    Low: 71 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 91. Calm wind becoming north northwest around 5 mph in the afternoon.

    High: 91 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 68. North wind around 5 mph becoming calm in the evening.

    Low: 68 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 68. South wind around 5 mph.
Sunday
Sunny, with a high near 91. Heat index values as high as 97. Southwest wind 5 to 10 mph.
Sunday Night
Mostly clear, with a low around 70. Southwest wind around 5 mph.
Monday
Sunny and hot, with a high near 94. Heat index values as high as 99. West southwest wind around 5 mph.
Monday Night
Mostly clear, with a low around 70. West southwest wind around 5 mph.
Tuesday
Sunny and hot, with a high near 94. West southwest wind 5 to 10 mph.
Tuesday Night
Mostly clear, with a low around 71. West southwest wind around 5 mph becoming calm after midnight.
Wednesday
Sunny, with a high near 91. Calm wind becoming north northwest around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 68. North wind around 5 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 90. Calm wind becoming south southwest around 5 mph in the morning.
Thursday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69. South wind around 5 mph.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90. South southwest wind 5 to 10 mph.
Friday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68. South wind 5 to 10 mph.
Saturday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89. Southeast wind 5 to 10 mph becoming west in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Altoona WI
 44.78°N 91.44°W (Elev. 883 ft)
Last Update:
12:26 am CDT Jul 12, 2026
Forecast Valid:
1am CDT Jul 12, 2026-6pm CDT Jul 18, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation