National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Madison, Dane County Regional-Truax Field (KMSN)

Lat: 43.14°NLon: 89.35°WElev: 860ft.

Mostly Cloudy

51°F

11°C

Humidity 50%
Wind Speed Calm
Barometer 29.92 in (1013.7 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Last update 30 Apr 5:53 pm CDT
Extended Forecast for

Lake Ripley WI

Frost Advisory May 1, 12:00am until May 1, 08:00am
Click here for hazard details and duration
Frost Advisory

  • Tonight

    Tonight: Scattered showers, mainly before 10pm. Widespread frost, mainly after 5am. Otherwise, mostly cloudy, with a low around 33. South wind around 5 mph becoming northeast after midnight. Chance of precipitation is 50%.

    Low: 33 °F

    Scattered
    Showers then
    Frost

  • Friday

    Friday: A 20 percent chance of showers after 1pm. Widespread frost before 8am. Otherwise, mostly sunny, with a high near 51. North wind 5 to 10 mph.

    High: 51 °F

    Frost then
    Slight Chance
    Showers

  • Friday Night

    Friday Night: Widespread frost, mainly after 3am. Otherwise, partly cloudy, with a low around 32. North wind around 5 mph becoming calm in the evening.

    Low: 32 °F

    Partly Cloudy
    then Frost

  • Saturday

    Saturday: Widespread frost, mainly before 8am. Otherwise, mostly sunny, with a high near 55. Calm wind becoming northwest around 5 mph in the morning.

    High: 55 °F

    Frost then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 40. Southwest wind around 5 mph.

    Low: 40 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers. Partly sunny, with a high near 64. Southwest wind 10 to 15 mph.

    High: 64 °F

    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: A 20 percent chance of showers before 1am. Partly cloudy, with a low around 44. Southwest wind 5 to 10 mph.

    Low: 44 °F

    Slight Chance
    Showers

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 72. Breezy, with a southwest wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 72 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms and
    Breezy

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers. Partly cloudy, with a low around 44. Chance of precipitation is 30%.

    Low: 44 °F

    Chance
    Showers

Detailed Forecast

Tonight
Scattered showers, mainly before 10pm. Widespread frost, mainly after 5am. Otherwise, mostly cloudy, with a low around 33. South wind around 5 mph becoming northeast after midnight. Chance of precipitation is 50%.
Friday
A 20 percent chance of showers after 1pm. Widespread frost before 8am. Otherwise, mostly sunny, with a high near 51. North wind 5 to 10 mph.
Friday Night
Widespread frost, mainly after 3am. Otherwise, partly cloudy, with a low around 32. North wind around 5 mph becoming calm in the evening.
Saturday
Widespread frost, mainly before 8am. Otherwise, mostly sunny, with a high near 55. Calm wind becoming northwest around 5 mph in the morning.
Saturday Night
Partly cloudy, with a low around 40. Southwest wind around 5 mph.
Sunday
A 20 percent chance of showers. Partly sunny, with a high near 64. Southwest wind 10 to 15 mph.
Sunday Night
A 20 percent chance of showers before 1am. Partly cloudy, with a low around 44. Southwest wind 5 to 10 mph.
Monday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 72. Breezy, with a southwest wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Monday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Partly cloudy, with a low around 44. Chance of precipitation is 30%.
Tuesday
A 40 percent chance of showers, mainly after 1pm. Partly sunny, with a high near 62.
Tuesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 40.
Wednesday
A 30 percent chance of showers. Partly sunny, with a high near 57.
Wednesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 38.
Thursday
A 20 percent chance of showers. Mostly sunny, with a high near 58.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lake Ripley WI
 43.01°N 88.99°W (Elev. 899 ft)
Last Update:
6:22 pm CDT Apr 30, 2026
Forecast Valid:
6pm CDT Apr 30, 2026-6pm CDT May 7, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation