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

Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

Hazardous Weather Conditions

Current conditions at

Monroe Municipal Airport (KEFT)

Lat: 42.62°NLon: 89.59°WElev: 1082ft.

Overcast

64°F

18°C

Humidity 89%
Wind Speed E 7 mph
Barometer 30.13 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 18 Sep 7:35 pm CDT
Extended Forecast for

Monroe WI

Flood Watch September 19, 01:00am until September 19, 01:00pm
Click here for hazard details and duration
Flood Watch

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Some of the storms could produce heavy rainfall. Low around 60. East wind 10 to 15 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

    Low: 60 °F

    Chance
    T-storms then
    Heavy Rain

  • Saturday

    Saturday: Showers and possibly a thunderstorm before 11am, then a chance of showers and thunderstorms between 11am and 3pm, then showers likely and possibly a thunderstorm after 3pm. Some of the storms could produce heavy rainfall. High near 75. Southeast wind 5 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

    High: 75 °F

    Heavy Rain

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am. Low around 61. Northeast wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

    Low: 61 °F

    Showers

  • Sunday

    Sunday: A 50 percent chance of showers. Mostly cloudy, with a high near 66. Northeast wind around 15 mph, with gusts as high as 25 mph.

    High: 66 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 55. Northeast wind around 15 mph.

    Low: 55 °F

    Mostly Cloudy

  • Monday

    Monday: A 40 percent chance of showers. Mostly cloudy, with a high near 62. Northeast wind around 15 mph, with gusts as high as 25 mph.

    High: 62 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 49. Northeast wind 10 to 15 mph.

    Low: 49 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A 20 percent chance of showers before 1pm. Partly sunny, with a high near 61. Northeast wind around 15 mph.

    High: 61 °F

    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

Detailed Forecast

Tonight
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Some of the storms could produce heavy rainfall. Low around 60. East wind 10 to 15 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Saturday
Showers and possibly a thunderstorm before 11am, then a chance of showers and thunderstorms between 11am and 3pm, then showers likely and possibly a thunderstorm after 3pm. Some of the storms could produce heavy rainfall. High near 75. Southeast wind 5 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Saturday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am. Low around 61. Northeast wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Sunday
A 50 percent chance of showers. Mostly cloudy, with a high near 66. Northeast wind around 15 mph, with gusts as high as 25 mph.
Sunday Night
Mostly cloudy, with a low around 55. Northeast wind around 15 mph.
Monday
A 40 percent chance of showers. Mostly cloudy, with a high near 62. Northeast wind around 15 mph, with gusts as high as 25 mph.
Monday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 49. Northeast wind 10 to 15 mph.
Tuesday
A 20 percent chance of showers before 1pm. Partly sunny, with a high near 61. Northeast wind around 15 mph.
Tuesday Night
Partly cloudy, with a low around 48.
Wednesday
Mostly sunny, with a high near 64.
Wednesday Night
Partly cloudy, with a low around 50.
Thursday
Partly sunny, with a high near 67.
Thursday Night
Partly cloudy, with a low around 51.
Friday
Mostly sunny, with a high near 68.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Monroe WI
 42.6°N 89.66°W (Elev. 1027 ft)
Last Update:
6:16 pm CDT Sep 18, 2026
Forecast Valid:
7pm CDT Sep 18, 2026-6pm CDT Sep 25, 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