Onalaska, WI Weather Forecast
Local 7-day forecast
Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Onalaska, WI in one place.
Showers and thunderstorms. Mostly sunny, with a high near 91. South wind 13 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Local Weather Overview
This forecast page for Onalaska, 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: Jun 8, 2026 7:21 AM CDT.
The active forecast window currently covers Jun 10 to Jun 14, 2026 for Onalaska, WI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jun 10 to Jun 14, 2026
- Latest sync
- Jun 8, 2026 7:21 AM CDT
- Forecast office
- ARX
- Source
- NOAA / NWS
Daily Outlook
This Week in Onalaska
Wednesday looks like the warmest upcoming period in Onalaska at 91 degrees F.
Saturday Night is the coolest period ahead with temperatures near 58 degrees F.
The strongest winds are forecast for Wednesday at about 13 to 20 mph S.
Precipitation is mentioned in 9 upcoming forecast periods.
Forecast Details
- Last updated
- Jun 8, 2026 7:21 AM CDT
- Coverage
- 5 days
- Time zone
- America/Chicago
- Forecast office
- ARX
- Radar station
- KARX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Showers and thunderstorms before 1am, then a slight chance of showers and thunderstorms. Partly cloudy, with a low around 66. Southwest wind 7 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 80%.
A chance of showers and thunderstorms. Mostly sunny, with a high near 85. Southwest wind 7 to 14 mph. Chance of precipitation is 40%.
A chance of showers and thunderstorms. Mostly clear, with a low around 59. West wind 5 to 13 mph. Chance of precipitation is 40%.
A slight chance of rain showers before 7am. Sunny, with a high near 85. West wind 7 to 12 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
A chance of showers and thunderstorms after 7pm. Partly cloudy, with a low around 61. Southwest wind 3 to 8 mph. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms. Mostly sunny, with a high near 81. West wind 3 to 8 mph. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 58. Northwest wind 2 to 7 mph. Chance of precipitation is 30%.
A slight chance of rain showers after 7am. Mostly sunny, with a high near 78. Northwest wind around 7 mph. Chance of precipitation is 20%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Jun 10
|
Showers And Thunderstorms
|
91°F |
13 to 20 mph
S
|
|
Wednesday Night
Jun 10
|
Showers And Thunderstorms
|
66°F |
7 to 18 mph
SW
|
|
Thursday
Jun 11
|
Chance Showers And Thunderstorms
|
85°F |
7 to 14 mph
SW
|
|
Thursday Night
Jun 11
|
Chance Showers And Thunderstorms
|
59°F |
5 to 13 mph
W
|
|
Friday
Jun 12
|
Slight Chance Rain Showers then Sunny
|
85°F |
7 to 12 mph
W
|
|
Friday Night
Jun 12
|
Chance Showers And Thunderstorms
|
61°F |
3 to 8 mph
SW
|
|
Saturday
Jun 13
|
Chance Showers And Thunderstorms
|
81°F |
3 to 8 mph
W
|
|
Saturday Night
Jun 13
|
Chance Showers And Thunderstorms
|
58°F |
2 to 7 mph
NW
|
|
Sunday
Jun 14
|
Slight Chance Rain Showers
|
78°F |
7 mph
NW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Onalaska.
