Black River Falls, WI Weather Forecast
Local 7-day forecast
Rain Showers Likely
Track current conditions, temperature changes, wind, and the full daily outlook for Black River Falls, WI in one place.
Rain showers likely before 1pm, then showers and thunderstorms likely. Mostly cloudy, with a high near 79. South wind 2 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Local Weather Overview
This forecast page for Black River 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 27, 2026 6:48 PM CDT.
The active forecast window currently covers Aug 29 to Sep 2, 2026 for Black River Falls, WI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 29 to Sep 2, 2026
- Latest sync
- Aug 27, 2026 6:48 PM CDT
- Forecast office
- ARX
- Source
- NOAA / NWS
Daily Outlook
This Week in Black River Falls
Monday looks like the warmest upcoming period in Black River Falls at 90 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 63 degrees F.
The strongest winds are forecast for Saturday at about 2 to 10 mph S.
Precipitation is mentioned in 10 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 27, 2026 6:48 PM 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 likely before 7pm, then a slight chance of showers and thunderstorms. Mostly cloudy, with a low around 64. South wind 3 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
A slight chance of rain showers before 7am, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 88. South wind 5 to 9 mph. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 1am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 69. South wind 3 to 7 mph. Chance of precipitation is 30%.
A chance of showers and thunderstorms. Partly sunny, with a high near 90. Southwest wind around 7 mph. Chance of precipitation is 30%.
A slight chance of rain showers before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 66. South wind 0 to 6 mph. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 7am, then a slight chance of showers and thunderstorms between 7am and 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 87. Southeast wind 0 to 6 mph. Chance of precipitation is 30%.
A chance of showers and thunderstorms. Partly cloudy, with a low around 63. Southeast wind 0 to 3 mph. Chance of precipitation is 40%.
A chance of rain showers before 1pm. Mostly sunny, with a high near 86. West wind 0 to 5 mph. Chance of precipitation is 40%.
A slight chance of showers and thunderstorms between 7pm and 1am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 63. Southeast wind 0 to 3 mph. Chance of precipitation is 30%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Aug 29
|
Rain Showers Likely
|
79°F |
2 to 10 mph
S
|
|
Saturday Night
Aug 29
|
Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms
|
64°F |
3 to 10 mph
S
|
|
Sunday
Aug 30
|
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
88°F |
5 to 9 mph
S
|
|
Sunday Night
Aug 30
|
Slight Chance Showers And Thunderstorms
|
69°F |
3 to 7 mph
S
|
|
Monday
Aug 31
|
Chance Showers And Thunderstorms
|
90°F |
7 mph
SW
|
|
Monday Night
Aug 31
|
Chance Showers And Thunderstorms
|
66°F |
0 to 6 mph
S
|
|
Tuesday
Sep 1
|
Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
|
87°F |
0 to 6 mph
SE
|
|
Tuesday Night
Sep 1
|
Chance Showers And Thunderstorms
|
63°F |
0 to 3 mph
SE
|
|
Wednesday
Sep 2
|
Chance Rain Showers
|
86°F |
0 to 5 mph
W
|
|
Wednesday Night
Sep 2
|
Slight Chance Showers And Thunderstorms
|
63°F |
0 to 3 mph
SE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Black River Falls.
