Prairie du Sac, WI Weather Forecast
Local 7-day forecast
Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Prairie du Sac, WI in one place.
A chance of rain showers and patchy fog before 1pm, then showers and thunderstorms. Mostly cloudy, with a high near 71. West wind 0 to 5 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Local Weather Overview
This forecast page for Prairie du Sac, 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: Apr 14, 2026 5:52 PM CDT.
The active forecast window currently covers Apr 15 to Apr 20, 2026 for Prairie du Sac, WI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 15 to Apr 20, 2026
- Latest sync
- Apr 14, 2026 5:52 PM CDT
- Forecast office
- MKX
- Source
- NOAA / NWS
Daily Outlook
This Week in Prairie du Sac
Friday looks like the warmest upcoming period in Prairie du Sac at 77 degrees F.
Sunday Night is the coolest period ahead with temperatures near 30 degrees F.
The strongest winds are forecast for Friday at about 0 to 15 mph S.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 14, 2026 5:52 PM CDT
- Coverage
- 6 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
Showers and thunderstorms. Mostly cloudy, with a low around 53. East wind around 5 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
A chance of rain showers before 7am, then a chance of showers and thunderstorms. Partly sunny, with a high near 68. North wind around 5 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
A chance of rain showers before 7pm. Partly cloudy, with a low around 52. East wind around 0 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
A chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 77. South wind 0 to 15 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
A chance of rain showers before 7pm, then showers and thunderstorms. Mostly cloudy. Low around 45, with temperatures rising to around 52 overnight. Southwest wind 10 to 15 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Showers and thunderstorms. Mostly cloudy, with a high near 56. Chance of precipitation is 80%.
A chance of rain showers before 10pm, then a slight chance of snow showers between 10pm and 1am. Mostly cloudy, with a low around 31. Chance of precipitation is 40%.
Mostly sunny, with a high near 49.
Partly cloudy, with a low around 30.
Sunny, with a high near 56.
Mostly clear, with a low around 38.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Apr 15
|
Showers And Thunderstorms
|
71°F |
0 to 5 mph
W
|
|
Wednesday Night
Apr 15
|
Showers And Thunderstorms
|
53°F |
5 mph
E
|
|
Thursday
Apr 16
|
Chance Showers And Thunderstorms
|
68°F |
5 mph
N
|
|
Thursday Night
Apr 16
|
Chance Rain Showers then Partly Cloudy
|
52°F |
0 mph
|
|
Friday
Apr 17
|
Partly Sunny then Chance Showers And Thunderstorms
|
77°F |
0 to 15 mph
S
|
|
Friday Night
Apr 17
|
Showers And Thunderstorms
|
45°F |
10 to 15 mph
SW
|
|
Saturday
Apr 18
|
Showers And Thunderstorms
|
56°F |
10 to 15 mph
W
|
|
Saturday Night
Apr 18
|
Slight Chance Snow Showers
|
31°F |
10 to 15 mph
W
|
|
Sunday
Apr 19
|
Mostly Sunny
|
49°F |
10 to 15 mph
NW
|
|
Sunday Night
Apr 19
|
Partly Cloudy
|
30°F |
0 to 10 mph
NW
|
|
Monday
Apr 20
|
Sunny
|
56°F |
5 to 10 mph
S
|
|
Monday Night
Apr 20
|
Mostly Clear
|
38°F |
5 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Prairie du Sac.
