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

Tropical Storm Arthur and Heavy Rainfall in the South; Severe Weather in the Midwest

An outbreak of severe thunderstorms is expected across portions of Illinois and Indiana tonight. Intense tornadoes, swaths of damaging gusts, and hail in excess of 2 inches in diameter possible. Tropical Storm Arthur will continue to produce strong winds across coastal Upper Texas and Louisiana tonight, as well as potentially life-threatening flooding across southern Louisiana into Mississippi. Read More >

Hazardous Weather Conditions

Current conditions at

Monroe Municipal Airport (KEFT)

Lat: 42.62°NLon: 89.59°WElev: 1082ft.

Fair

59°F

15°C

Humidity 91%
Wind Speed W 20 G 25 mph
Barometer 29.48 in
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 18 Jun 3:15 am CDT
Extended Forecast for

McConnell IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 55. West wind around 15 mph, with gusts as high as 25 mph.

    Low: 55 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 71. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 71 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 52. West wind 5 to 10 mph.

    Low: 52 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Sunny, with a high near 76. Northwest wind 5 to 10 mph.

    High: 76 °F

    Sunny

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 56.

    Low: 56 °F

    Chance
    T-storms

  • Saturday

    Saturday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 57.

    Low: 57 °F

    Mostly Cloudy

  • Sunday

    Sunday: Showers likely. Mostly cloudy, with a high near 72. Chance of precipitation is 60%.

    High: 72 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 53.

    Low: 53 °F

    Chance
    Showers

Detailed Forecast

Overnight
Mostly cloudy, with a low around 55. West wind around 15 mph, with gusts as high as 25 mph.
Thursday
Partly sunny, with a high near 71. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Thursday Night
Mostly clear, with a low around 52. West wind 5 to 10 mph.
Juneteenth
Sunny, with a high near 76. Northwest wind 5 to 10 mph.
Friday Night
A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 56.
Saturday
Sunny, with a high near 77.
Saturday Night
Mostly cloudy, with a low around 57.
Sunday
Showers likely. Mostly cloudy, with a high near 72. Chance of precipitation is 60%.
Sunday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 53.
Monday
Mostly sunny, with a high near 73.
Monday Night
Partly cloudy, with a low around 51.
Tuesday
Mostly sunny, with a high near 75.
Tuesday Night
A 30 percent chance of showers. Partly cloudy, with a low around 56.
Wednesday
A 30 percent chance of showers. Mostly sunny, with a high near 77.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
McConnell IL
 42.45°N 89.7°W (Elev. 899 ft)
Last Update:
2:01 am CDT Jun 18, 2026
Forecast Valid:
3am CDT Jun 18, 2026-6pm CDT Jun 24, 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