Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. Read More >

Hazardous Weather Conditions

Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Fair

63°F

17°C

Humidity 100%
Wind Speed W 5 mph
Barometer 29.90 in (1011.5 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 18 Aug 11:51 pm CDT
Extended Forecast for

Russell IL

  • Overnight

    Overnight: Patchy fog after 4am.  Otherwise, mostly cloudy, with a low around 62. West northwest wind around 5 mph, with gusts as high as 10 mph.

    Low: 62 °F

    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 8am.  Otherwise, mostly sunny, with a high near 77. Northwest wind 5 to 10 mph becoming east northeast in the afternoon.

    High: 77 °F

    Patchy Fog
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 58. East southeast wind around 5 mph becoming calm  in the evening.

    Low: 58 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 79. Calm wind becoming south around 5 mph in the afternoon.

    High: 79 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 60. South southwest wind around 5 mph.

    Low: 60 °F

    Partly Cloudy

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 1pm.  Mostly sunny, with a high near 79. Chance of precipitation is 30%.

    High: 79 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms before 1am.  Partly cloudy, with a low around 61.

    Low: 61 °F

    Chance
    T-storms

  • Saturday

    Saturday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Saturday Night

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

    Low: 57 °F

    Mostly Clear

Detailed Forecast

Overnight
Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 62. West northwest wind around 5 mph, with gusts as high as 10 mph.
Wednesday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 77. Northwest wind 5 to 10 mph becoming east northeast in the afternoon.
Wednesday Night
Partly cloudy, with a low around 58. East southeast wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 79. Calm wind becoming south around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 60. South southwest wind around 5 mph.
Friday
A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 79. Chance of precipitation is 30%.
Friday Night
A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 61.
Saturday
Mostly sunny, with a high near 77.
Saturday Night
Mostly clear, with a low around 57.
Sunday
Sunny, with a high near 75.
Sunday Night
Partly cloudy, with a low around 57.
Monday
Mostly sunny, with a high near 76.
Monday Night
Partly cloudy, with a low around 60.
Tuesday
Mostly sunny, with a high near 79.
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ABOUT THIS FORECAST

 
Point Forecast:
Russell IL
 42.46°N 87.96°W
12:11 am CDT Aug 19, 2026
12am CDT Aug 19, 2026-6pm CDT Aug 25, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database