Big Falls, WI Weather Forecast
Local 7-day forecast
Rain Showers
Track current conditions, temperature changes, wind, and the full daily outlook for Big Falls, WI in one place.
Rain showers between 7am and 4pm, then showers and thunderstorms. Cloudy. High near 73, with temperatures falling to around 69 in the afternoon. South southwest wind 2 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
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: Aug 28, 2026 7:52 PM CDT.
The active forecast window currently covers Aug 29 to Sep 3, 2026 for Big Falls, WI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 29 to Sep 3, 2026
- Latest sync
- Aug 28, 2026 7:52 PM CDT
- Forecast office
- GRB
- Source
- NOAA / NWS
Daily Outlook
This Week in Big Falls
Monday looks like the warmest upcoming period in Big Falls at 88 degrees F.
Saturday Night is the coolest period ahead with temperatures near 64 degrees F.
The strongest winds are forecast for Saturday at about 2 to 9 mph SSW.
Precipitation is mentioned in 12 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 28, 2026 7:52 PM 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
Showers and thunderstorms likely before 1am, then a slight chance of showers and thunderstorms between 1am and 3am. Mostly cloudy, with a low around 64. South southeast wind 3 to 8 mph. Chance of precipitation is 60%.
A chance of rain showers between 1pm and 4pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 84. South southeast wind around 6 mph. Chance of precipitation is 30%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 7am, then a slight chance of showers and thunderstorms between 7am and 1pm. Partly sunny, with a high near 88. Chance of precipitation is 40%.
A slight chance of rain showers between 7pm and 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 86. Chance of precipitation is 30%.
A chance of showers and thunderstorms after 7pm. Mostly cloudy, with a low around 66. Chance of precipitation is 40%.
A chance of rain showers. Partly sunny, with a high near 86. Chance of precipitation is 40%.
A chance of rain showers. Partly cloudy, with a low around 64. Chance of precipitation is 30%.
A slight chance of rain showers. Mostly sunny, with a high near 84. Chance of precipitation is 20%.
A chance of rain showers. Partly cloudy, with a low around 64. Chance of precipitation is 40%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Aug 29
|
Rain Showers
|
73°F |
2 to 9 mph
SSW
|
|
Saturday Night
Aug 29
|
Showers And Thunderstorms Likely
|
64°F |
3 to 8 mph
SSE
|
|
Sunday
Aug 30
|
Partly Sunny then Chance Showers And Thunderstorms
|
84°F |
6 mph
SSE
|
|
Sunday Night
Aug 30
|
Chance Showers And Thunderstorms
|
68°F |
5 mph
SE
|
|
Monday
Aug 31
|
Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
|
88°F |
5 to 8 mph
SSW
|
|
Monday Night
Aug 31
|
Slight Chance Rain Showers then Chance Showers And Thunderstorms
|
70°F |
2 to 6 mph
WSW
|
|
Tuesday
Sep 1
|
Chance Showers And Thunderstorms
|
86°F |
2 to 7 mph
WSW
|
|
Tuesday Night
Sep 1
|
Chance Showers And Thunderstorms
|
66°F |
0 to 5 mph
WSW
|
|
Wednesday
Sep 2
|
Chance Rain Showers
|
86°F |
1 to 5 mph
W
|
|
Wednesday Night
Sep 2
|
Chance Rain Showers
|
64°F |
3 mph
N
|
|
Thursday
Sep 3
|
Slight Chance Rain Showers
|
84°F |
2 to 6 mph
E
|
|
Thursday Night
Sep 3
|
Chance Rain Showers
|
64°F |
2 to 6 mph
SE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Big Falls.