Trempealeau County, WI Weather Forecast
County weather hub
Slight Chance Rain Showers
Compare major city weather across Trempealeau County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
A slight chance of rain showers. Cloudy, with a low around 63. South wind around 6 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
County Weather Overview
This county weather page brings together forecast coverage for Trempealeau County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 6 of 6 mapped cities in Trempealeau County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Aug 29 to Sep 4, 2026
- Latest sync
- Aug 29, 2026 7:23 AM CDT
- Forecast office
- ARX
- Source
- NOAA / NWS
Daily Outlook
This Week in Trempealeau County
Monday looks like the warmest upcoming period in Trempealeau County at 89 degrees F.
Overnight is the coolest period ahead with temperatures near 63 degrees F.
The strongest winds are forecast for Saturday at about 6 to 13 mph S.
Precipitation is mentioned in 13 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 29, 2026 7:23 AM CDT
- Coverage
- 7 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
A chance of rain showers before 7am, then showers and thunderstorms between 7am and 1pm, then a chance of showers and thunderstorms between 1pm and 5pm. Mostly cloudy. High near 77, with temperatures falling to around 75 in the afternoon. South wind 6 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
A slight chance of rain showers between 1am and 2am. Mostly cloudy. Low around 65, with temperatures rising to around 67 overnight. Southeast wind 3 to 8 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Partly sunny, with a high near 85. South wind 3 to 7 mph.
A chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 69. Southeast wind around 8 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
A chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 89. South wind around 7 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
A chance of showers and thunderstorms after 7pm. Mostly cloudy, with a low around 68. Southwest wind 1 to 5 mph. Chance of precipitation is 30%.
A chance of showers and thunderstorms. Partly sunny, with a high near 86. Southwest wind 1 to 5 mph. Chance of precipitation is 30%.
A slight chance of showers and thunderstorms before 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Northwest wind around 3 mph. Chance of precipitation is 40%.
A chance of showers and thunderstorms. Partly sunny, with a high near 85. Northwest wind 1 to 5 mph. Chance of precipitation is 40%.
A slight chance of rain showers before 7pm, then 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. Northeast wind around 3 mph. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 85. Southeast wind 2 to 7 mph. Chance of precipitation is 30%.
A slight chance of rain showers between 7pm and 1am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 65. Southeast wind around 6 mph. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 85. Southeast wind 3 to 7 mph. Chance of precipitation is 30%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Aug 29
|
Slight Chance Rain Showers
|
63°F |
6 mph
S
|
|
Saturday
Aug 29
|
Showers And Thunderstorms
|
77°F |
6 to 13 mph
S
|
|
Saturday Night
Aug 29
|
Mostly Cloudy then Slight Chance Rain Showers
|
65°F |
3 to 8 mph
SE
|
|
Sunday
Aug 30
|
Partly Sunny
|
85°F |
3 to 7 mph
S
|
|
Sunday Night
Aug 30
|
Mostly Cloudy then Chance Showers And Thunderstorms
|
69°F |
8 mph
SE
|
|
Monday
Aug 31
|
Chance Showers And Thunderstorms then Mostly Sunny
|
89°F |
7 mph
S
|
|
Monday Night
Aug 31
|
Chance Showers And Thunderstorms
|
68°F |
1 to 5 mph
SW
|
|
Tuesday
Sep 1
|
Chance Showers And Thunderstorms
|
86°F |
1 to 5 mph
SW
|
|
Tuesday Night
Sep 1
|
Slight Chance Showers And Thunderstorms
|
65°F |
3 mph
NW
|
|
Wednesday
Sep 2
|
Chance Showers And Thunderstorms
|
85°F |
1 to 5 mph
NW
|
|
Wednesday Night
Sep 2
|
Slight Chance Showers And Thunderstorms
|
63°F |
3 mph
NE
|
|
Thursday
Sep 3
|
Chance Showers And Thunderstorms then Mostly Sunny
|
85°F |
2 to 7 mph
SE
|
|
Thursday Night
Sep 3
|
Chance Showers And Thunderstorms
|
65°F |
6 mph
SE
|
|
Friday
Sep 4
|
Chance Showers And Thunderstorms
|
85°F |
3 to 7 mph
SE
|
Major City Forecasts
Live forecast snapshots for major cities across Trempealeau County.
Coverage
Forecast coverage currently spans 6 of 6 mapped cities in Trempealeau County.
Largest mapped city population in this region: 1,671.
