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.

A Few Clouds

16°F

-9°C

Humidity 49%
Wind Speed NW 5 mph
Barometer 30.14 in (1022.5 mb)
Dewpoint 0°F (-18°C)
Visibility 10.00 mi
Wind Chill8°F (-13°C)
Last update 17 Mar 11:53 am CDT
Extended Forecast for

Deerfield WI

  • This Afternoon

    This Afternoon: Increasing clouds, with a high near 22. Southwest wind 5 to 10 mph.

    High: 22 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Snow before 3am, then snow, possibly mixed with freezing rain. Low around 17. South wind around 10 mph. Chance of precipitation is 90%. Little or no ice accumulation expected. New snow accumulation of around an inch possible.

    Low: 17 °F

    Snow Likely
    then Wintry
    Mix

  • Wednesday

    Wednesday: Areas of snow and freezing rain before 7am. Mostly cloudy, with a high near 40. Southwest wind around 10 mph. Chance of precipitation is 30%.

    High: 40 °F

    Areas Wintry
    Mix then
    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 30 percent chance of rain after 1am. Mostly cloudy, with a low around 31. South wind around 5 mph.

    Low: 31 °F

    Mostly Cloudy
    then Chance
    Rain

  • Thursday

    Thursday: Partly sunny, with a high near 45. South wind around 5 mph becoming north in the afternoon.

    High: 45 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 32. North wind around 5 mph becoming calm.

    Low: 32 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 50. Southwest wind 5 to 10 mph becoming west in the afternoon.

    High: 50 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 34. North wind around 5 mph becoming south after midnight.

    Low: 34 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 59.

    High: 59 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Increasing clouds, with a high near 22. Southwest wind 5 to 10 mph.
Tonight
Snow before 3am, then snow, possibly mixed with freezing rain. Low around 17. South wind around 10 mph. Chance of precipitation is 90%. Little or no ice accumulation expected. New snow accumulation of around an inch possible.
Wednesday
Areas of snow and freezing rain before 7am. Mostly cloudy, with a high near 40. Southwest wind around 10 mph. Chance of precipitation is 30%.
Wednesday Night
A 30 percent chance of rain after 1am. Mostly cloudy, with a low around 31. South wind around 5 mph.
Thursday
Partly sunny, with a high near 45. South wind around 5 mph becoming north in the afternoon.
Thursday Night
Mostly cloudy, with a low around 32. North wind around 5 mph becoming calm.
Friday
Mostly cloudy, with a high near 50. Southwest wind 5 to 10 mph becoming west in the afternoon.
Friday Night
Mostly cloudy, with a low around 34. North wind around 5 mph becoming south after midnight.
Saturday
Mostly sunny, with a high near 59.
Saturday Night
Mostly cloudy, with a low around 37.
Sunday
Mostly cloudy, with a high near 52.
Sunday Night
Mostly cloudy, with a low around 27.
Monday
Mostly sunny, with a high near 43.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Deerfield WI
 43.06°N 89.07°W (Elev. 899 ft)
Last Update:
12:13 pm CDT Mar 17, 2026
Forecast Valid:
12pm CDT Mar 17, 2026-6pm CDT Mar 23, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation