Underhill, WI Weather Forecast
Local 7-day forecast
Mostly Clear
Track current conditions, temperature changes, wind, and the full daily outlook for Underhill, WI in one place.
Mostly clear. Low around 55, with temperatures rising to around 58 overnight. West southwest wind around 2 mph.
Local Weather Overview
This forecast page for Underhill, 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 24, 2026 7:30 AM CDT.
The active forecast window currently covers Jul 24 to Jul 30, 2026 for Underhill, WI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 24 to Jul 30, 2026
- Latest sync
- Jul 24, 2026 7:30 AM CDT
- Forecast office
- GRB
- Source
- NOAA / NWS
Daily Outlook
This Week in Underhill
Sunday looks like the warmest upcoming period in Underhill at 90 degrees F.
Overnight is the coolest period ahead with temperatures near 55 degrees F.
The strongest winds are forecast for Saturday at about 6 to 9 mph SW.
Precipitation is mentioned in 9 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 24, 2026 7:30 AM CDT
- Coverage
- 7 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
Mostly sunny, with a high near 82. Heat index values as high as 81. Southwest wind 2 to 8 mph.
Partly cloudy, with a low around 61. South southwest wind 5 to 8 mph.
A slight chance of rain showers between 7am and 10am, then a slight chance of showers and thunderstorms between 10am and noon. Partly sunny, with a high near 86. Heat index values as high as 89. Southwest wind 6 to 9 mph. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms between 7pm and 1am. Partly cloudy, with a low around 65. West southwest wind 1 to 6 mph. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms after 7am. Mostly sunny, with a high near 90. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Partly cloudy, with a low around 68. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 89. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms between 7pm and 1am. Partly cloudy, with a low around 63. Chance of precipitation is 40%.
Sunny, with a high near 84.
Mostly clear, with a low around 59.
A slight chance of showers and thunderstorms after 1pm. Sunny, with a high near 85. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms. Mostly clear, with a low around 60. Chance of precipitation is 20%.
A slight chance of rain showers before 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 86. Chance of precipitation is 30%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Jul 24
|
Mostly Clear
|
55°F |
2 mph
WSW
|
|
Friday
Jul 24
|
Mostly Sunny
|
82°F |
2 to 8 mph
SW
|
|
Friday Night
Jul 24
|
Partly Cloudy
|
61°F |
5 to 8 mph
SSW
|
|
Saturday
Jul 25
|
Slight Chance Showers And Thunderstorms then Partly Sunny
|
86°F |
6 to 9 mph
SW
|
|
Saturday Night
Jul 25
|
Slight Chance Showers And Thunderstorms
|
65°F |
1 to 6 mph
WSW
|
|
Sunday
Jul 26
|
Slight Chance Showers And Thunderstorms
|
90°F |
1 to 8 mph
SW
|
|
Sunday Night
Jul 26
|
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
|
68°F |
2 to 6 mph
WSW
|
|
Monday
Jul 27
|
Chance Showers And Thunderstorms
|
89°F |
3 to 8 mph
WSW
|
|
Monday Night
Jul 27
|
Chance Showers And Thunderstorms
|
63°F |
3 to 7 mph
N
|
|
Tuesday
Jul 28
|
Sunny
|
84°F |
6 mph
N
|
|
Tuesday Night
Jul 28
|
Mostly Clear
|
59°F |
1 to 5 mph
NE
|
|
Wednesday
Jul 29
|
Sunny then Slight Chance Showers And Thunderstorms
|
85°F |
1 to 5 mph
NE
|
|
Wednesday Night
Jul 29
|
Slight Chance Showers And Thunderstorms
|
60°F |
0 to 3 mph
SSE
|
|
Thursday
Jul 30
|
Chance Showers And Thunderstorms
|
86°F |
0 to 5 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Underhill.