Big Falls, WI Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Big Falls, WI in one place.
Sunny, with a high near 90.
Local Weather Overview
This forecast page for Big Falls, 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 12, 2026 10:37 AM CDT.
The active forecast window currently covers Jul 15 to Jul 18, 2026 for Big Falls, WI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 15 to Jul 18, 2026
- Latest sync
- Jul 12, 2026 10:37 AM CDT
- Forecast office
- GRB
- Source
- NOAA / NWS
Daily Outlook
This Week in Big Falls
Wednesday looks like the warmest upcoming period in Big Falls at 90 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 66 degrees F.
The strongest winds are forecast for Saturday at about 6 to 9 mph SSW.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 12, 2026 10:37 AM CDT
- Coverage
- 4 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 clear, with a low around 66.
Mostly sunny, with a high near 87.
A slight chance of showers and thunderstorms between 7pm and 1am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 66. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 1pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 87. Chance of precipitation is 40%.
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 67. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 88. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 66. Chance of precipitation is 20%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Jul 15
|
Sunny
|
90°F |
5 mph
NNW
|
|
Wednesday Night
Jul 15
|
Mostly Clear
|
66°F |
1 to 5 mph
N
|
|
Thursday
Jul 16
|
Mostly Sunny
|
87°F |
1 to 5 mph
ENE
|
|
Thursday Night
Jul 16
|
Slight Chance Showers And Thunderstorms
|
66°F |
5 mph
ESE
|
|
Friday
Jul 17
|
Chance Showers And Thunderstorms
|
87°F |
3 to 8 mph
ESE
|
|
Friday Night
Jul 17
|
Slight Chance Showers And Thunderstorms
|
67°F |
5 to 8 mph
SE
|
|
Saturday
Jul 18
|
Slight Chance Showers And Thunderstorms
|
88°F |
6 to 9 mph
SSW
|
|
Saturday Night
Jul 18
|
Slight Chance Showers And Thunderstorms
|
66°F |
5 to 8 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Big Falls.