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.

Fair

40°F

4°C

Humidity 49%
Wind Speed W 6 mph
Barometer 30.01 in (1017.0 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 18 Apr 8:53 pm CDT
Extended Forecast for

Arlington WI

Flash Flood Watch April 18, 09:41pm until April 19, 07:00am
Click here for hazard details and duration
Flash Flood Watch
  •  
    Flash Flood Watch April 18, 09:41pm until April 19, 07:00am

    NOW until 7:00am Sun

    Flash Flood Watch

  • Tonight

    Low: 30 °F

    Mostly Clear

  • Sunday

    Sunday: A slight chance of snow showers before 10am, then a chance of sprinkles. Mostly sunny, with a high near 47. Northwest wind 5 to 15 mph. Chance of precipitation is 20%.

    High: 47 °F

    Slight Chance
    Sprinkles/Snow
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 26. Northwest wind 5 to 10 mph becoming light and variable after midnight.

    Low: 26 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 53. Light southeast wind becoming south 5 to 10 mph in the morning.

    High: 53 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 41. South wind around 10 mph.

    Low: 41 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 71. West wind around 10 mph.

    High: 71 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 41. West wind around 5 mph becoming northeast after midnight.

    Low: 41 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 71. Northeast wind 5 to 10 mph becoming southeast in the afternoon.

    High: 71 °F

    Sunny

Detailed Forecast

Tonight
Mostly clear, with a low around 30. West wind 5 to 15 mph.
Sunday
A slight chance of snow showers before 10am, then a chance of sprinkles. Mostly sunny, with a high near 47. Northwest wind 5 to 15 mph. Chance of precipitation is 20%.
Sunday Night
Mostly clear, with a low around 26. Northwest wind 5 to 10 mph becoming light and variable after midnight.
Monday
Sunny, with a high near 53. Light southeast wind becoming south 5 to 10 mph in the morning.
Monday Night
Partly cloudy, with a low around 41. South wind around 10 mph.
Tuesday
Sunny, with a high near 71. West wind around 10 mph.
Tuesday Night
Mostly clear, with a low around 41. West wind around 5 mph becoming northeast after midnight.
Wednesday
Sunny, with a high near 71. Northeast wind 5 to 10 mph becoming southeast in the afternoon.
Wednesday Night
Mostly clear, with a low around 51.
Thursday
A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 78.
Thursday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 57. Chance of precipitation is 70%.
Friday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 67. Chance of precipitation is 60%.
Friday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 40.
Saturday
A 30 percent chance of showers. Mostly sunny, with a high near 59.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Arlington WI
 43.33°N 89.38°W (Elev. 1047 ft)
Last Update:
8:36 pm CDT Apr 18, 2026
Forecast Valid:
9pm CDT Apr 18, 2026-6pm CDT Apr 25, 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