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

Hazardous Weather Conditions

Current conditions at

Monroe Municipal Airport (KEFT)

Lat: 42.62°NLon: 89.59°WElev: 1082ft.

Fair

91°F

33°C

Humidity 65%
Wind Speed S 6 mph
Barometer 29.93 in
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index105°F (41°C)
Last update 1 Sep 5:55 pm CDT
Extended Forecast for

Monticello WI

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 7pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 73. Southwest wind around 5 mph becoming calm in the evening.

    Low: 73 °F

    Chance
    Showers then
    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny and hot, with a high near 92. Heat index values as high as 99. West wind 5 to 10 mph.

    High: 92 °F

    Hot

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly after 5am. Mostly clear, with a low around 73. Southwest wind around 5 mph.

    Low: 73 °F

    Mostly Clear
    then Chance
    T-storms

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 89. Heat index values as high as 96. Calm wind becoming south around 5 mph in the afternoon.

    High: 89 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday Night

    Thursday Night: A 50 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 71. Southeast wind around 5 mph.

    Low: 71 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Friday

    Friday: A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm. Partly sunny, with a high near 88. South wind around 5 mph. Chance of precipitation is 50%.

    High: 88 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68. South wind around 5 mph becoming east after midnight.

    Low: 68 °F

    Chance
    Showers then
    Chance
    T-storms

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 87. East wind around 5 mph.

    High: 87 °F

    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 67.

    Low: 67 °F

    Partly Cloudy
    then Chance
    Showers

Detailed Forecast

Tonight
A 30 percent chance of showers and thunderstorms, mainly before 7pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 73. Southwest wind around 5 mph becoming calm in the evening.
Wednesday
Mostly sunny and hot, with a high near 92. Heat index values as high as 99. West wind 5 to 10 mph.
Wednesday Night
A 30 percent chance of showers and thunderstorms, mainly after 5am. Mostly clear, with a low around 73. Southwest wind around 5 mph.
Thursday
A 40 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 89. Heat index values as high as 96. Calm wind becoming south around 5 mph in the afternoon.
Thursday Night
A 50 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 71. Southeast wind around 5 mph.
Friday
A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm. Partly sunny, with a high near 88. South wind around 5 mph. Chance of precipitation is 50%.
Friday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68. South wind around 5 mph becoming east after midnight.
Saturday
A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 87. East wind around 5 mph.
Saturday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 67.
Sunday
A 40 percent chance of showers, mainly before 1pm. Partly sunny, with a high near 84.
Sunday Night
A 20 percent chance of showers. Partly cloudy, with a low around 64.
Labor Day
A 20 percent chance of showers. Partly sunny, with a high near 80.
Monday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 60.
Tuesday
A 30 percent chance of showers. Partly sunny, with a high near 79.
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ABOUT THIS FORECAST

 
Point Forecast:
Monticello WI
 42.75°N 89.59°W (Elev. 850 ft)
Last Update:
5:52 pm CDT Sep 1, 2026
Forecast Valid:
6pm CDT Sep 1, 2026-6pm CDT Sep 8, 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