Heavy Rainfall Threat Continues in the Southwest on Monday; Record Warmth in the Plains and Midwest

Remnant moisture from Tropical Storm Rachel will persist over portions of the Great Basin and Southwest on Monday, bringing a potential heavy to excessive rainfall risk. Well above average and potentially record breaking temperatures will develop across the Plains and Midwest early this week, spreading into the Lower Mississippi Valley and Southeast midweek. Read More >

Current conditions at

Madison, Dane County Regional-Truax Field (KMSN)

Lat: 43.14°NLon: 89.35°WElev: 860ft.

Partly Cloudy

66°F

19°C

Humidity 73%
Wind Speed Calm
Barometer 29.86 in (1010.9 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 11 Oct 10:53 pm CDT
Extended Forecast for

Sun Prairie WI

  • Tonight

    Tonight: Mostly cloudy, with a low around 62. South wind 5 to 10 mph.

    Low: 62 °F

    Mostly Cloudy

  • Columbus Day

    Columbus Day: Mostly cloudy, then gradually becoming sunny, with a high near 84. Southwest wind 10 to 15 mph.

    High: 84 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Mostly clear, with a low around 65. Southwest wind 5 to 10 mph.

    Low: 65 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 76. Northwest wind around 10 mph.

    High: 76 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers before 1am.  Partly cloudy, with a low around 54. Northwest wind around 5 mph becoming calm.

    Low: 54 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: Partly sunny, with a high near 67. North wind around 5 mph.

    High: 67 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers after 1am.  Partly cloudy, with a low around 48. Northeast wind around 5 mph.

    Low: 48 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Thursday

    Thursday: Showers likely, mainly after 1pm.  Partly sunny, with a high near 64. East wind 5 to 10 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 64 °F

    Chance
    Showers then
    Showers
    Likely

  • Thursday Night

    Thursday Night: A 50 percent chance of showers before 1am.  Mostly cloudy, with a low around 45.

    Low: 45 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly cloudy, with a low around 62. South wind 5 to 10 mph.
Columbus Day
Mostly cloudy, then gradually becoming sunny, with a high near 84. Southwest wind 10 to 15 mph.
Monday Night
Mostly clear, with a low around 65. Southwest wind 5 to 10 mph.
Tuesday
Sunny, with a high near 76. Northwest wind around 10 mph.
Tuesday Night
A 20 percent chance of showers before 1am. Partly cloudy, with a low around 54. Northwest wind around 5 mph becoming calm.
Wednesday
Partly sunny, with a high near 67. North wind around 5 mph.
Wednesday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 48. Northeast wind around 5 mph.
Thursday
Showers likely, mainly after 1pm. Partly sunny, with a high near 64. East wind 5 to 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
A 50 percent chance of showers before 1am. Mostly cloudy, with a low around 45.
Friday
A 20 percent chance of showers. Partly sunny, with a high near 56. Breezy.
Friday Night
Partly cloudy, with a low around 33.
Saturday
Sunny, with a high near 53.
Saturday Night
Mostly clear, with a low around 35.
Sunday
Sunny, with a high near 60.
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ABOUT THIS FORECAST

 
Point Forecast:
Sun Prairie WI
 43.17°N 89.24°W (Elev. 965 ft)
9:33 pm CDT Oct 11, 2026
11pm CDT Oct 11, 2026-6pm CDT Oct 18, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database