Columbia County, WI Weather Forecast
County weather hub
Sunny
Compare major city weather across Columbia County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Sunny, with a high near 82.
County Weather Overview
This county weather page brings together forecast coverage for Columbia County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 3 of 3 mapped cities in Columbia County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- May 16 to May 18, 2026
- Latest sync
- May 12, 2026 4:05 PM CDT
- Forecast office
- MKX
- Source
- NOAA / NWS
Daily Outlook
This Week in Columbia County
Saturday looks like the warmest upcoming period in Columbia County at 82 degrees F.
Saturday Night is the coolest period ahead with temperatures near 52 degrees F.
The strongest winds are forecast for Sunday at about 10 to 15 mph SE.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- May 12, 2026 4:05 PM CDT
- Coverage
- 3 days
- Time zone
- America/Chicago
- Forecast office
- MKX
- Radar station
- KMKX
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 after 7pm. Partly cloudy, with a low around 52. Chance of precipitation is 40%.
A chance of rain showers before 7am, then a chance of showers and thunderstorms between 7am and 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 79. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 7pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 58. Chance of precipitation is 70%.
Showers and thunderstorms likely. Partly sunny, with a high near 81. Chance of precipitation is 70%.
Rain showers likely before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 54. Chance of precipitation is 60%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
May 16
|
Sunny
|
82°F |
5 to 10 mph
W
|
|
Saturday Night
May 16
|
Chance Rain Showers
|
52°F |
0 to 10 mph
NE
|
|
Sunday
May 17
|
Chance Showers And Thunderstorms
|
79°F |
10 to 15 mph
SE
|
|
Sunday Night
May 17
|
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
|
58°F |
10 to 15 mph
S
|
|
Monday
May 18
|
Showers And Thunderstorms Likely
|
81°F |
15 mph
SW
|
|
Monday Night
May 18
|
Chance Showers And Thunderstorms
|
54°F |
10 mph
W
|
Major City Forecasts
Live forecast snapshots for major cities across Columbia County.
Coverage
Forecast coverage currently spans 3 of 3 mapped cities in Columbia County.
Largest mapped city population in this region: 10,381.
