Heavy Rain and Flash Flooding in the West; Heat Expands in the Central U.S.

Monsoonal moisture will produce showers and thunderstorms with heavy rain over parts of the Southwest, Great Basin, and Central Rockies through Monday. Flash flooding is possible, especially in and around burn scars and in areas of steep terrain. Heat will persist across the Central U.S. early this week, spreading into the Ohio Valley and Mid-Atlantic later this week. Read More >

Hazardous Weather Conditions

Current conditions at

Morris Muni-James R Washburn Field Airport (KC09)

Lat: 41.43°NLon: 88.42°WElev: 584ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

3 Miles W Marseilles IL

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 9pm.  Mostly cloudy, with a low around 72. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 72 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 90. Heat index values as high as 97. South southwest wind around 10 mph, with gusts as high as 20 mph.

    High: 90 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 74. South southwest wind around 5 mph, with gusts as high as 15 mph.

    Low: 74 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 92. Heat index values as high as 102. Southwest wind around 5 mph, with gusts as high as 15 mph.

    High: 92 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 74. South wind around 5 mph, with gusts as high as 15 mph.

    Low: 74 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 93.

    High: 93 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 73.

    Low: 73 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 71.

    Low: 71 °F

    Partly Cloudy
    then Chance
    T-storms

Detailed Forecast

Tonight
A 20 percent chance of showers and thunderstorms before 9pm. Mostly cloudy, with a low around 72. South wind around 10 mph, with gusts as high as 20 mph.
Monday
Mostly sunny, with a high near 90. Heat index values as high as 97. South southwest wind around 10 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 74. South southwest wind around 5 mph, with gusts as high as 15 mph.
Tuesday
Mostly sunny, with a high near 92. Heat index values as high as 102. Southwest wind around 5 mph, with gusts as high as 15 mph.
Tuesday Night
Mostly clear, with a low around 74. South wind around 5 mph, with gusts as high as 15 mph.
Wednesday
Sunny, with a high near 93.
Wednesday Night
Mostly clear, with a low around 73.
Thursday
Mostly sunny, with a high near 88.
Thursday Night
A chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 71.
Friday
Mostly sunny, with a high near 87.
Friday Night
Mostly clear, with a low around 68.
Saturday
Mostly sunny, with a high near 86.
Saturday Night
Mostly clear, with a low around 66.
Sunday
Sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Marseilles IL
 41.33°N 88.76°W
6:31 pm CDT Aug 30, 2026
7pm CDT Aug 30, 2026-6pm CDT Sep 6, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database