Trempealeau County, WI Weather Forecast
County weather hub
Sunny
Compare major city weather across Trempealeau County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Sunny, with a high near 94. Heat index values as high as 100. West wind around 7 mph.
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
- Jul 14 to Jul 20, 2026
- Latest sync
- Jul 14, 2026 11:43 AM CDT
- Forecast office
- ARX
- Source
- NOAA / NWS
Daily Outlook
This Week in Trempealeau County
Wednesday looks like the warmest upcoming period in Trempealeau County at 95 degrees F.
Monday Night is the coolest period ahead with temperatures near 62 degrees F.
The strongest winds are forecast for Saturday at about 5 to 9 mph W.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 14, 2026 11:43 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
Clear. Low around 69, with temperatures rising to around 71 overnight. Heat index values as high as 98. West wind 2 to 6 mph.
Sunny, with a high near 95. Heat index values as high as 100. West wind around 5 mph.
Mostly clear, with a low around 68. Southwest wind around 3 mph.
Sunny, with a high near 93. Southeast wind around 3 mph.
Mostly clear, with a low around 69. Southeast wind around 3 mph.
A slight chance of showers and thunderstorms after 1pm. Sunny, with a high near 91. South wind 3 to 7 mph. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms between 7pm and 1am, then a chance of showers and thunderstorms. Mostly clear, with a low around 70. South wind around 6 mph. Chance of precipitation is 30%.
A chance of showers and thunderstorms. Sunny, with a high near 89. West wind 5 to 9 mph. Chance of precipitation is 30%.
A slight chance of showers and thunderstorms before 1am. Mostly clear, with a low around 65. North wind 5 to 8 mph. Chance of precipitation is 20%.
Sunny, with a high near 87. East wind around 7 mph.
Mostly clear, with a low around 64. Southwest wind around 6 mph.
Sunny, with a high near 84. West wind 6 to 9 mph, with gusts as high as 18 mph.
A slight chance of showers and thunderstorms after 7pm. Partly cloudy, with a low around 62. Northwest wind 3 to 9 mph. Chance of precipitation is 20%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Jul 14
|
Sunny
|
94°F |
7 mph
W
|
|
Tonight
Jul 14
|
Clear
|
69°F |
2 to 6 mph
W
|
|
Wednesday
Jul 15
|
Sunny
|
95°F |
5 mph
W
|
|
Wednesday Night
Jul 15
|
Mostly Clear
|
68°F |
3 mph
SW
|
|
Thursday
Jul 16
|
Sunny
|
93°F |
3 mph
SE
|
|
Thursday Night
Jul 16
|
Mostly Clear
|
69°F |
3 mph
SE
|
|
Friday
Jul 17
|
Sunny then Slight Chance Showers And Thunderstorms
|
91°F |
3 to 7 mph
S
|
|
Friday Night
Jul 17
|
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
|
70°F |
6 mph
S
|
|
Saturday
Jul 18
|
Chance Showers And Thunderstorms
|
89°F |
5 to 9 mph
W
|
|
Saturday Night
Jul 18
|
Slight Chance Showers And Thunderstorms
|
65°F |
5 to 8 mph
N
|
|
Sunday
Jul 19
|
Sunny
|
87°F |
7 mph
E
|
|
Sunday Night
Jul 19
|
Mostly Clear
|
64°F |
6 mph
SW
|
|
Monday
Jul 20
|
Sunny
|
84°F |
6 to 9 mph
W
|
|
Monday Night
Jul 20
|
Slight Chance Showers And Thunderstorms
|
62°F |
3 to 9 mph
NW
|
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.
