Mountain, WI Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Mountain, WI in one place.
Sunny, with a high near 82. Heat index values as high as 81. Southwest wind 2 to 8 mph.
Local Weather Overview
This forecast page for Mountain, 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: Jul 23, 2026 10:29 AM CDT.
The active forecast window currently covers Jul 24 to Jul 29, 2026 for Mountain, WI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 24 to Jul 29, 2026
- Latest sync
- Jul 23, 2026 10:29 AM CDT
- Forecast office
- GRB
- Source
- NOAA / NWS
Daily Outlook
This Week in Mountain
Sunday looks like the warmest upcoming period in Mountain at 88 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 57 degrees F.
The strongest winds are forecast for Friday at about 2 to 8 mph SW.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 23, 2026 10:29 AM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- GRB
- Radar station
- KGRB
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 59. South southwest wind around 7 mph.
A chance of rain showers between 7am and 1pm. Mostly sunny, with a high near 84. West southwest wind around 7 mph. Chance of precipitation is 30%.
Mostly clear, with a low around 62.
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88. Chance of precipitation is 20%.
A chance of showers and thunderstorms before 1am, then showers and thunderstorms likely. Partly cloudy, with a low around 66. Chance of precipitation is 60%.
Showers and thunderstorms likely before 7am, then a chance of showers and thunderstorms. Mostly sunny, with a high near 88. Chance of precipitation is 60%.
A chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 60. Chance of precipitation is 30%.
Sunny, with a high near 84.
Mostly clear, with a low around 57.
Sunny, with a high near 85.
Mostly clear, with a low around 58.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Jul 24
|
Sunny
|
82°F |
2 to 8 mph
SW
|
|
Friday Night
Jul 24
|
Partly Cloudy
|
59°F |
7 mph
SSW
|
|
Saturday
Jul 25
|
Chance Rain Showers
|
84°F |
7 mph
WSW
|
|
Saturday Night
Jul 25
|
Mostly Clear
|
62°F |
0 to 5 mph
WNW
|
|
Sunday
Jul 26
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
88°F |
0 to 5 mph
WSW
|
|
Sunday Night
Jul 26
|
Chance Showers And Thunderstorms
|
66°F |
5 mph
WSW
|
|
Monday
Jul 27
|
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
|
88°F |
2 to 7 mph
W
|
|
Monday Night
Jul 27
|
Chance Showers And Thunderstorms then Mostly Clear
|
60°F |
2 to 7 mph
NNW
|
|
Tuesday
Jul 28
|
Sunny
|
84°F |
5 mph
N
|
|
Tuesday Night
Jul 28
|
Mostly Clear
|
57°F |
0 to 3 mph
N
|
|
Wednesday
Jul 29
|
Sunny
|
85°F |
0 to 5 mph
NNW
|
|
Wednesday Night
Jul 29
|
Mostly Clear
|
58°F |
0 to 5 mph
N
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Mountain.