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

Prolonged, Intense Heat Wave; Excessive Rainfall in the Southern Rockies and Central Plains into the Upper Midwest

Extremely dangerous heat persists through Thursday with widespread daily temperature records. Monsoonal moisture continues to bring heavy rain and flash flooding to New Mexico and west Texas through Thursday, especially in the burn scar areas. Thunderstorms and heavy to excessive rain will continue to bring a flash flood threat from the Central Plains into the Upper Midwest. Read More >

Hazardous Weather Conditions

Current conditions at

Monroe Municipal Airport (KEFT)

Lat: 42.62°NLon: 89.59°WElev: 1082ft.

Fog/Mist

71°F

22°C

Humidity 100%
Wind Speed NE 3 mph
Barometer 30.14 in
Dewpoint 71°F (22°C)
Visibility 2.00 mi
Last update 25 Jun 5:55 am CDT
Extended Forecast for

Shannon IL

  • Today

    Today: Scattered showers and thunderstorms before noon, then scattered showers between noon and 1pm, then scattered showers and thunderstorms after 1pm. Mostly cloudy, with a high near 86. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 50%.

    High: 86 °F

    Scattered
    T-storms

  • Tonight

    Tonight: Scattered showers and thunderstorms. Mostly cloudy, with a low around 71. South wind 5 to 10 mph. Chance of precipitation is 50%.

    Low: 71 °F

    Scattered
    T-storms

  • Thursday

    Thursday: Scattered showers and thunderstorms before 7am, then a slight chance of showers between 7am and 1pm, then a chance of showers and thunderstorms after 1pm. Sunny, with a high near 90. Southwest wind 5 to 10 mph. Chance of precipitation is 50%.

    High: 90 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely before 10pm, then showers likely and possibly a thunderstorm between 10pm and 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 69. Southwest wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 69 °F

    T-storms
    Likely then
    Showers
    Likely

  • Friday

    Friday: A chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 83. Chance of precipitation is 50%.

    High: 83 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: Partly cloudy, with a low around 67.

    Low: 67 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 89.

    High: 89 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 70.

    Low: 70 °F

    Partly Cloudy

  • Sunday

    Sunday: A 50 percent chance of showers. Mostly sunny, with a high near 91.

    High: 91 °F

    Chance
    Showers

Detailed Forecast

Today
Scattered showers and thunderstorms before noon, then scattered showers between noon and 1pm, then scattered showers and thunderstorms after 1pm. Mostly cloudy, with a high near 86. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 50%.
Tonight
Scattered showers and thunderstorms. Mostly cloudy, with a low around 71. South wind 5 to 10 mph. Chance of precipitation is 50%.
Thursday
Scattered showers and thunderstorms before 7am, then a slight chance of showers between 7am and 1pm, then a chance of showers and thunderstorms after 1pm. Sunny, with a high near 90. Southwest wind 5 to 10 mph. Chance of precipitation is 50%.
Thursday Night
Showers and thunderstorms likely before 10pm, then showers likely and possibly a thunderstorm between 10pm and 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 69. Southwest wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Friday
A chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 83. Chance of precipitation is 50%.
Friday Night
Partly cloudy, with a low around 67.
Saturday
Mostly sunny, with a high near 89.
Saturday Night
Partly cloudy, with a low around 70.
Sunday
A 50 percent chance of showers. Mostly sunny, with a high near 91.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69.
Monday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 85.
Monday Night
Mostly clear, with a low around 64.
Tuesday
Sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Shannon IL
 42.15°N 89.74°W (Elev. 928 ft)
Last Update:
5:33 am CDT Jun 25, 2025
Forecast Valid:
6am CDT Jun 25, 2025-6pm CDT Jul 1, 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