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

43°F

6°C

Humidity 49%
Wind Speed Calm
Barometer 29.86 in (1011.4 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 5 May 10:53 pm CDT
Extended Forecast for

Monona WI

Frost Advisory May 6, 01:00am until May 6, 08:00am
Click here for hazard details and duration
Frost Advisory

  • Tonight

    Tonight: Partly cloudy, with a low around 34. Northwest wind around 5 mph.

    Low: 34 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Areas of frost before 7am. Otherwise, partly sunny, with a high near 56. Northwest wind 5 to 10 mph.

    High: 56 °F

    Areas Frost
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: Widespread frost, mainly between 3am and 5am. Otherwise, partly cloudy, with a low around 34. Northwest wind 5 to 10 mph becoming light west in the evening.

    Low: 34 °F

    Partly Cloudy
    then Frost

  • Thursday

    Thursday: A 20 percent chance of showers after 1pm. Areas of frost before 7am. Otherwise, mostly sunny, with a high near 61. West wind 5 to 10 mph.

    High: 61 °F

    Areas Frost
    then Slight
    Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 42. South wind around 5 mph.

    Low: 42 °F

    Partly Cloudy

  • Friday

    Friday: A 30 percent chance of showers after 1pm. Partly sunny, with a high near 65. Southwest wind 5 to 10 mph.

    High: 65 °F

    Partly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 44. West wind around 5 mph becoming calm.

    Low: 44 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 71. West wind 5 to 15 mph.

    High: 71 °F

    Sunny then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 46.

    Low: 46 °F

    Chance
    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 34. Northwest wind around 5 mph.
Wednesday
Areas of frost before 7am. Otherwise, partly sunny, with a high near 56. Northwest wind 5 to 10 mph.
Wednesday Night
Widespread frost, mainly between 3am and 5am. Otherwise, partly cloudy, with a low around 34. Northwest wind 5 to 10 mph becoming light west in the evening.
Thursday
A 20 percent chance of showers after 1pm. Areas of frost before 7am. Otherwise, mostly sunny, with a high near 61. West wind 5 to 10 mph.
Thursday Night
Partly cloudy, with a low around 42. South wind around 5 mph.
Friday
A 30 percent chance of showers after 1pm. Partly sunny, with a high near 65. Southwest wind 5 to 10 mph.
Friday Night
Partly cloudy, with a low around 44. West wind around 5 mph becoming calm.
Saturday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 71. West wind 5 to 15 mph.
Saturday Night
A 30 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 46.
Sunday
A 20 percent chance of showers before 1pm. Partly sunny, with a high near 63.
Sunday Night
Partly cloudy, with a low around 40.
Monday
Mostly sunny, with a high near 64.
Monday Night
A 20 percent chance of showers. Partly cloudy, with a low around 43.
Tuesday
A 20 percent chance of showers. Mostly sunny, with a high near 70.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Monona WI
 43.05°N 89.34°W (Elev. 850 ft)
Last Update:
8:37 pm CDT May 5, 2026
Forecast Valid:
11pm CDT May 5, 2026-6pm CDT May 12, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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