Sauk County, WI Weather Forecast
County weather hub
Rain Showers
Compare major city weather across Sauk County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Rain showers before noon, then rain showers and patchy fog. Cloudy, with a high near 55. East wind 5 to 10 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
County Weather Overview
This county weather page brings together forecast coverage for Sauk County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 2 of 2 mapped cities in Sauk County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Oct 15 to Oct 21, 2026
- Latest sync
- Oct 15, 2026 12:39 PM CDT
- Forecast office
- MKX
- Source
- NOAA / NWS
Daily Outlook
This Week in Sauk County
Wednesday looks like the warmest upcoming period in Sauk County at 69 degrees F.
Friday Night is the coolest period ahead with temperatures near 29 degrees F.
The strongest winds are forecast for Tonight at about 5 to 20 mph NW.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 15, 2026 12:39 PM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- MKX
- Radar station
- KARX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Rain showers and patchy fog before 2am. Mostly cloudy, with a low around 44. Northwest wind 5 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
A chance of rain showers between 7am and 1pm. Mostly cloudy, with a high near 51. Northwest wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
Widespread frost after midnight. Mostly clear, with a low around 29. Northwest wind 0 to 15 mph, with gusts as high as 25 mph. New rainfall amounts less than a tenth of an inch possible.
Widespread frost before 9am. Sunny, with a high near 56. Southwest wind 0 to 15 mph.
Clear, with a low around 39. Southwest wind 10 to 15 mph.
Sunny, with a high near 63. Southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Mostly clear, with a low around 41. Southwest wind 5 to 15 mph.
Mostly sunny, with a high near 66.
Mostly clear, with a low around 41.
Sunny, with a high near 68.
Mostly clear, with a low around 43.
Mostly sunny, with a high near 69.
A chance of rain showers after 7pm. Partly cloudy, with a low around 48. Chance of precipitation is 30%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Oct 15
|
Rain Showers
|
55°F |
5 to 10 mph
E
|
|
Tonight
Oct 15
|
Rain Showers
|
44°F |
5 to 20 mph
NW
|
|
Friday
Oct 16
|
Chance Rain Showers
|
51°F |
15 to 20 mph
NW
|
|
Friday Night
Oct 16
|
Mostly Clear then Widespread Frost
|
29°F |
0 to 15 mph
NW
|
|
Saturday
Oct 17
|
Widespread Frost then Sunny
|
56°F |
0 to 15 mph
SW
|
|
Saturday Night
Oct 17
|
Clear
|
39°F |
10 to 15 mph
SW
|
|
Sunday
Oct 18
|
Sunny
|
63°F |
15 to 20 mph
SW
|
|
Sunday Night
Oct 18
|
Mostly Clear
|
41°F |
5 to 15 mph
SW
|
|
Monday
Oct 19
|
Mostly Sunny
|
66°F |
5 mph
SW
|
|
Monday Night
Oct 19
|
Mostly Clear
|
41°F |
0 to 5 mph
SW
|
|
Tuesday
Oct 20
|
Sunny
|
68°F |
0 to 5 mph
SE
|
|
Tuesday Night
Oct 20
|
Mostly Clear
|
43°F |
0 to 5 mph
SE
|
|
Wednesday
Oct 21
|
Mostly Sunny
|
69°F |
0 to 10 mph
S
|
|
Wednesday Night
Oct 21
|
Chance Rain Showers
|
48°F |
5 mph
S
|
Major City Forecasts
Live forecast snapshots for major cities across Sauk County.
Coverage
Forecast coverage currently spans 2 of 2 mapped cities in Sauk County.
Largest mapped city population in this region: 1,787.
