Severe Thunderstorms and Heavy Rainfall for the Southwest; Heat Spreads Across the Center of the Nation

Moisture will continue to move into areas of the West. This will increase showers and thunderstorms coverage and intensity, with the risk of flash flooding and damaging wind gusts. Meanwhile, heat across the Southwest will expand into the center of the nation this weekend into early next week. Trends favor this heat will spread across the Ohio Valley, mid-Atlantic next 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

Diamond IL

  • Overnight

    Overnight: A 20 percent chance of showers before 2am.  Mostly cloudy, with a low around 67. South wind around 10 mph, with gusts as high as 15 mph.

    Low: 67 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: A chance of showers and thunderstorms before noon, then a slight chance of showers between noon and 1pm.  Mostly cloudy, with a high near 86. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.  Chance of precipitation is 40%.

    High: 86 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 69. South wind around 10 mph, with gusts as high as 15 mph.

    Low: 69 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 91. Heat index values as high as 97. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 91 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 72. South southwest wind around 5 mph, with gusts as high as 10 mph.

    Low: 72 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 93.

    High: 93 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 74.

    Low: 74 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 95.

    High: 95 °F

    Hot

  • Wednesday Night

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

    Low: 73 °F

    Mostly Clear

Detailed Forecast

Overnight
A 20 percent chance of showers before 2am. Mostly cloudy, with a low around 67. South wind around 10 mph, with gusts as high as 15 mph.
Sunday
A chance of showers and thunderstorms before noon, then a slight chance of showers between noon and 1pm. Mostly cloudy, with a high near 86. South southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Sunday Night
Mostly cloudy, with a low around 69. South wind around 10 mph, with gusts as high as 15 mph.
Monday
Mostly sunny, with a high near 91. Heat index values as high as 97. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 72. South southwest wind around 5 mph, with gusts as high as 10 mph.
Tuesday
Mostly sunny, with a high near 93.
Tuesday Night
Mostly clear, with a low around 74.
Wednesday
Sunny and hot, with a high near 95.
Wednesday Night
Mostly clear, with a low around 73.
Thursday
A chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 92.
Thursday Night
Partly cloudy, with a low around 72.
Friday
Mostly sunny, with a high near 90.
Friday Night
Partly cloudy, with a low around 69.
Saturday
A chance of showers. Mostly sunny, with a high near 88.
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ABOUT THIS FORECAST

 
Point Forecast:
Diamond IL
 41.29°N 88.24°W
1:21 am CDT Aug 30, 2026
1am CDT Aug 30, 2026-6pm CDT Sep 5, 2026
 
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Additional Resources

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Hourly Weather Forecast

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