Altoona, WI Weather Forecast

Local 7-day forecast

89°
F

Sunny

Track current conditions, temperature changes, wind, and the full daily outlook for Altoona, WI in one place.

Tuesday, May 26, 2026
Wind: 5 mph SSW
Tuesday

Sunny, with a high near 89. South southwest wind around 5 mph.

Local 7-day forecast

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: May 23, 2026 3:19 AM CDT.

The active forecast window currently covers May 26 to May 29, 2026 for Altoona, WI.

Page Snapshot

Page focus
city weather
Forecast window
May 26 to May 29, 2026
Latest sync
May 23, 2026 3:19 AM CDT
Forecast office
MPX
Source
NOAA / NWS
Next High
89°F
Tuesday
Next Low
60°F
Tuesday Night
Rain Outlook
3
Periods mentioning precipitation
Windiest
0 to 10 mph
Wednesday

Daily Outlook

Today
May 26
Sunny
89 °F
/ 60°F
Wind 5 mph
Wed
May 27
Mostly Sunny then Chance Showers And Thunderstorms
86 °F
/ 59°F
Wind 0 to 10 mph
Thu
May 28
Mostly Sunny
84 °F
/ 58°F
Wind 5 mph
Fri
May 29
Sunny then Slight Chance Rain Showers
83 °F
Wind 5 mph

This Week in Altoona

Tuesday looks like the warmest upcoming period in Altoona at 89 degrees F.

Thursday Night is the coolest period ahead with temperatures near 58 degrees F.

The strongest winds are forecast for Wednesday at about 0 to 10 mph ESE.

Precipitation is mentioned in 3 upcoming forecast periods.

Forecast Details

Last updated
May 23, 2026 3:19 AM CDT
Coverage
4 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 source

Extended Forecast

Tuesday Night
May 26
60°F
Mostly Clear
0 to 5 mph SE

Mostly clear, with a low around 60. Southeast wind 0 to 5 mph.

Wednesday
May 27
86°F
Mostly Sunny then Chance Showers And Thunderstorms
0 to 10 mph ESE

A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 86. East southeast wind 0 to 10 mph. Chance of precipitation is 30%.

Wednesday Night
May 27
59°F
Chance Showers And Thunderstorms then Partly Cloudy
5 to 10 mph E

A chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 59. East wind 5 to 10 mph. Chance of precipitation is 30%.

Thursday
May 28
84°F
Mostly Sunny
5 mph E

Mostly sunny, with a high near 84. East wind around 5 mph.

Thursday Night
May 28
58°F
Mostly Clear
5 mph E

Mostly clear, with a low around 58. East wind around 5 mph.

Friday
May 29
83°F
Sunny then Slight Chance Rain Showers
5 mph E

A slight chance of rain showers after 1pm. Sunny, with a high near 83. East wind around 5 mph. Chance of precipitation is 20%.

Detailed Forecast

Period Conditions Temp Wind
Tuesday
May 26
Sunny
89°F
5 mph
SSW
Tuesday Night
May 26
Mostly Clear
60°F
0 to 5 mph
SE
Wednesday
May 27
Mostly Sunny then Chance Showers And Thunderstorms
86°F
0 to 10 mph
ESE
Wednesday Night
May 27
Chance Showers And Thunderstorms then Partly Cloudy
59°F
5 to 10 mph
E
Thursday
May 28
Mostly Sunny
84°F
5 mph
E
Thursday Night
May 28
Mostly Clear
58°F
5 mph
E
Friday
May 29
Sunny then Slight Chance Rain Showers
83°F
5 mph
E
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.