Lala Approaching Hawaii; Flash Flooding Risks; Excessive Heat

Lala, may become a hurricane, is expected to impact Hawaii this weekend. Heavy rainfall, strong winds, dangerous surf and localized flooding are expected. Heavy rainfall and flash flooding concerns from the mid-Mississippi Valley, Ohio Valley into the central Appalachians continues, with the threat shifting toward the mid-Atlantic later this weekend. Record heat continues for areas of the South. Read More >

Hazardous Weather Conditions

Current conditions at

Chippewa Valley Regional Airport (KEAU)

Lat: 44.87°NLon: 91.49°WElev: 886ft.

Mostly Cloudy

73°F

23°C

Humidity 90%
Wind Speed SW 6 mph
Barometer 29.99 in (1014.9 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 15 Aug 11:56 pm CDT
Extended Forecast for

Altoona WI

  • Overnight

    Overnight: A chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 3am.  Mostly cloudy, with a low around 68. Calm wind becoming west northwest around 5 mph.  Chance of precipitation is 30%.

    Low: 68 °F

    Chance
    T-storms

  • Sunday

    Sunday: Partly sunny, with a high near 81. Northwest wind around 10 mph.

    High: 81 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 57. North northwest wind 5 to 10 mph becoming light and variable  in the evening.

    Low: 57 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 83. Light and variable wind becoming west 5 to 10 mph in the afternoon.

    High: 83 °F

    Sunny

  • Monday Night

    Monday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 64. Southwest wind around 5 mph.  Chance of precipitation is 50%.

    Low: 64 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms after 1pm.  Partly sunny, with a high near 81. West northwest wind around 5 mph.

    High: 81 °F

    Partly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers, mainly before 1am.  Mostly cloudy, with a low around 57. West northwest wind around 5 mph becoming calm  in the evening.

    Low: 57 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 78. Calm wind becoming north northwest around 5 mph in the afternoon.

    High: 78 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 54. North wind around 5 mph becoming calm  in the evening.

    Low: 54 °F

    Mostly Clear

Detailed Forecast

Overnight
A chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 3am. Mostly cloudy, with a low around 68. Calm wind becoming west northwest around 5 mph. Chance of precipitation is 30%.
Sunday
Partly sunny, with a high near 81. Northwest wind around 10 mph.
Sunday Night
Mostly clear, with a low around 57. North northwest wind 5 to 10 mph becoming light and variable in the evening.
Monday
Sunny, with a high near 83. Light and variable wind becoming west 5 to 10 mph in the afternoon.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Southwest wind around 5 mph. Chance of precipitation is 50%.
Tuesday
A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 81. West northwest wind around 5 mph.
Tuesday Night
A 40 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 57. West northwest wind around 5 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 78. Calm wind becoming north northwest around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 54. North wind around 5 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 80. Calm wind becoming southwest around 5 mph in the afternoon.
Thursday Night
A 20 percent chance of showers. Partly cloudy, with a low around 59. South southwest wind around 5 mph becoming calm in the evening.
Friday
A 20 percent chance of showers. Mostly sunny, with a high near 81. Southwest wind 5 to 10 mph.
Friday Night
A 20 percent chance of showers. Partly cloudy, with a low around 60. West southwest wind around 5 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 83. Calm wind becoming west northwest around 5 mph in the morning.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Altoona WI
 44.8°N 91.44°W (Elev. 850 ft)
11:16 pm CDT Aug 15, 2026
12am CDT Aug 16, 2026-6pm CDT Aug 22, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database