Sun Prairie, WI Weather Forecast
Local 7-day forecast
Chance Rain Showers then Slight Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Sun Prairie, WI in one place.
A chance of rain showers before 7am, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 77. Southwest wind around 10 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for Sun Prairie, 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 11, 2026 5:52 AM CDT.
The active forecast window currently covers Apr 13 to Apr 17, 2026 for Sun Prairie, WI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 13 to Apr 17, 2026
- Latest sync
- Apr 11, 2026 5:52 AM CDT
- Forecast office
- MKX
- Source
- NOAA / NWS
Daily Outlook
This Week in Sun Prairie
Tuesday looks like the warmest upcoming period in Sun Prairie at 81 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 54 degrees F.
The strongest winds are forecast for Tuesday at about 10 to 15 mph SW.
Precipitation is mentioned in 9 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 11, 2026 5:52 AM CDT
- Coverage
- 5 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 slight chance of showers and thunderstorms before 7pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 62. South wind around 10 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Showers and thunderstorms likely before 7am, then a slight chance of showers and thunderstorms between 7am and 1pm, then showers and thunderstorms likely. Partly sunny, with a high near 81. Southwest wind 10 to 15 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Showers and thunderstorms. Mostly cloudy, with a low around 59. Chance of precipitation is 80%.
A chance of showers and thunderstorms before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 75. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Partly cloudy, with a low around 54. Chance of precipitation is 50%.
A chance of showers and thunderstorms. Mostly sunny, with a high near 76. Chance of precipitation is 40%.
A chance of rain showers. Partly cloudy, with a low around 55. Chance of precipitation is 40%.
A chance of rain showers. Mostly sunny, with a high near 73. Chance of precipitation is 40%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Monday
Apr 13
|
Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
77°F |
10 mph
SW
|
|
Monday Night
Apr 13
|
Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
|
62°F |
10 mph
S
|
|
Tuesday
Apr 14
|
Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms
|
81°F |
10 to 15 mph
SW
|
|
Tuesday Night
Apr 14
|
Showers And Thunderstorms
|
59°F |
10 to 15 mph
SW
|
|
Wednesday
Apr 15
|
Chance Showers And Thunderstorms
|
75°F |
10 to 15 mph
SW
|
|
Wednesday Night
Apr 15
|
Chance Showers And Thunderstorms
|
54°F |
5 to 10 mph
SW
|
|
Thursday
Apr 16
|
Chance Showers And Thunderstorms
|
76°F |
5 to 10 mph
S
|
|
Thursday Night
Apr 16
|
Chance Rain Showers
|
55°F |
10 mph
S
|
|
Friday
Apr 17
|
Chance Rain Showers
|
73°F |
10 to 15 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Sun Prairie.
