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

Cold Temperatures for the Eastern U.S.; Lake Effect Snow in the Great Lakes; Heavy Rain in the Pacific Northwest

Cold temperatures will continue across much of the eastern U.S. into today. Heavy lake effect snow continues into today east of Lakes Erie and Ontario. Two Pacific cold fronts will cross the Pacific Northwest early this week followed by another atmospheric river. Heavy rain and gusty winds are expected through midweek, with the potential for renewed urban and river flooding. Read More >

Hazardous Weather Conditions

Current conditions at

Monroe Municipal Airport (KEFT)

Lat: 42.62°NLon: 89.59°WElev: 1082ft.

Fair

19°F

-7°C

Humidity 75%
Wind Speed SW 6 mph
Barometer 30.01 in
Dewpoint 13°F (-11°C)
Visibility 10.00 mi
Wind Chill11°F (-12°C)
Last update 15 Dec 6:35 pm CST
Extended Forecast for

Monticello WI

  • Tonight

    Tonight: Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 11. West wind around 5 mph becoming calm.

    Low: 11 °F

    Partly Cloudy
    then Patchy
    Fog

  • Tuesday

    Tuesday: Patchy fog between 7am and 10am. Otherwise, partly sunny, with a high near 34. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 34 °F

    Patchy Fog
    then Partly
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 25. West wind 10 to 15 mph.

    Low: 25 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 36. West wind 5 to 10 mph becoming south in the afternoon.

    High: 36 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Showers likely after midnight. Mostly cloudy, with a low around 28. South wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 28 °F

    Mostly Cloudy
    then Showers
    Likely

  • Thursday

    Thursday: Rain showers likely before noon, then a chance of rain and snow showers. Mostly cloudy, with a temperature rising to near 38 by 8am, then falling to around 27 during the remainder of the day. Breezy, with a south wind 15 to 20 mph becoming west in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

    High: 38 °F⇓

    Showers
    Likely then
    Chance
    Rain/Snow and
    Breezy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 6. Breezy, with a northwest wind 10 to 20 mph, with gusts as high as 30 mph.

    Low: 6 °F

    Mostly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Friday

    Friday: Partly sunny, with a high near 25. Northwest wind 5 to 10 mph becoming south in the afternoon.

    High: 25 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 17.

    Low: 17 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 11. West wind around 5 mph becoming calm.
Tuesday
Patchy fog between 7am and 10am. Otherwise, partly sunny, with a high near 34. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly cloudy, with a low around 25. West wind 10 to 15 mph.
Wednesday
Mostly sunny, with a high near 36. West wind 5 to 10 mph becoming south in the afternoon.
Wednesday Night
Showers likely after midnight. Mostly cloudy, with a low around 28. South wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Rain showers likely before noon, then a chance of rain and snow showers. Mostly cloudy, with a temperature rising to near 38 by 8am, then falling to around 27 during the remainder of the day. Breezy, with a south wind 15 to 20 mph becoming west in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Thursday Night
Mostly cloudy, with a low around 6. Breezy, with a northwest wind 10 to 20 mph, with gusts as high as 30 mph.
Friday
Partly sunny, with a high near 25. Northwest wind 5 to 10 mph becoming south in the afternoon.
Friday Night
Mostly cloudy, with a low around 17.
Saturday
Partly sunny, with a high near 38.
Saturday Night
Partly cloudy, with a low around 16.
Sunday
Mostly sunny, with a high near 29.
Sunday Night
Mostly cloudy, with a low around 20.
Monday
Mostly cloudy, with a high near 34.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Monticello WI
 42.73°N 89.59°W (Elev. 932 ft)
Last Update:
5:36 pm CST Dec 15, 2025
Forecast Valid:
6pm CST Dec 15, 2025-6pm CST Dec 22, 2025
 
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