Altoona, WI Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Altoona, WI in one place.
Mostly sunny, with a high near 80. Southeast wind 0 to 5 mph.
Local Weather Overview
This forecast page for Altoona, WI is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Aug 23, 2026 4:13 AM CDT.
The active forecast window currently covers Aug 24 to Aug 29, 2026 for Altoona, WI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 24 to Aug 29, 2026
- Latest sync
- Aug 23, 2026 4:13 AM CDT
- Forecast office
- MPX
- Source
- NOAA / NWS
Daily Outlook
This Week in Altoona
Tuesday looks like the warmest upcoming period in Altoona at 85 degrees F.
Thursday Night is the coolest period ahead with temperatures near 55 degrees F.
The strongest winds are forecast for Wednesday at about 5 to 15 mph WNW.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 23, 2026 4:13 AM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- MPX
- Radar station
- KARX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Partly cloudy, with a low around 58. South southwest wind 0 to 5 mph.
A slight chance of rain showers after 7am. Mostly sunny, with a high near 85. South southwest wind 0 to 10 mph. Chance of precipitation is 20%.
A slight chance of rain showers before 7pm, then a chance of showers and thunderstorms between 7pm and 10pm, then a chance of showers and thunderstorms between 10pm and 1am. Partly cloudy, with a low around 63. Southwest wind 5 to 10 mph. Chance of precipitation is 50%.
Sunny, with a high near 82. West northwest wind 5 to 15 mph.
Mostly clear, with a low around 59. Northwest wind 5 to 10 mph.
Sunny, with a high near 82. Northwest wind 5 to 10 mph.
Mostly clear, with a low around 55. North wind 0 to 10 mph.
Sunny, with a high near 82. North northwest wind 0 to 5 mph.
Mostly clear, with a low around 58. East wind around 5 mph.
A chance of rain showers between 7am and 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 81. South southeast wind 5 to 10 mph. Chance of precipitation is 40%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Monday
Aug 24
|
Mostly Sunny
|
80°F |
0 to 5 mph
SE
|
|
Monday Night
Aug 24
|
Partly Cloudy
|
58°F |
0 to 5 mph
SSW
|
|
Tuesday
Aug 25
|
Slight Chance Rain Showers
|
85°F |
0 to 10 mph
SSW
|
|
Tuesday Night
Aug 25
|
Chance Showers And Thunderstorms
|
63°F |
5 to 10 mph
SW
|
|
Wednesday
Aug 26
|
Sunny
|
82°F |
5 to 15 mph
WNW
|
|
Wednesday Night
Aug 26
|
Mostly Clear
|
59°F |
5 to 10 mph
NW
|
|
Thursday
Aug 27
|
Sunny
|
82°F |
5 to 10 mph
NW
|
|
Thursday Night
Aug 27
|
Mostly Clear
|
55°F |
0 to 10 mph
N
|
|
Friday
Aug 28
|
Sunny
|
82°F |
0 to 5 mph
NNW
|
|
Friday Night
Aug 28
|
Mostly Clear
|
58°F |
5 mph
E
|
|
Saturday
Aug 29
|
Chance Rain Showers
|
81°F |
5 to 10 mph
SSE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Altoona.