Severe Thunderstorms in the Midwest and Arizona; Heat Continues in the Southeast and Southwest

Thunderstorms, some severe, may lead to scattered instances of flash flooding across the Midwest and Ohio Valley and southern Arizona. The threat will shift to the Mid-Atlantic coast on Thursday. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that little-to-no relief from the scorching daytime highs will be available. Read More >

Hazardous Weather Conditions

Current conditions at

Sterling Rockfalls (KSQI)

Lat: 41.74°NLon: 89.67°WElev: 643ft.

Fair

84°F

29°C

Humidity 55%
Wind Speed N 6 mph
Barometer 29.92 in (1012.6 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 19 Aug 4:56 pm CDT
Extended Forecast for

3 Miles SSE Fenton IL

  • Tonight

    Tonight: Patchy fog after 3am.  Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 60. North wind around 5 mph becoming calm  in the evening.

    Low: 60 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Thursday

    Thursday: Patchy fog before 8am.  Otherwise, sunny, with a high near 81. Calm wind becoming east around 5 mph.

    High: 81 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 61. Calm wind becoming southeast around 5 mph.

    Low: 61 °F

    Partly Cloudy

  • Friday

    Friday: A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm.  Mostly sunny, with a high near 82. Southwest wind 5 to 10 mph.  Chance of precipitation is 60%.

    High: 82 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Friday Night

    Friday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

Detailed Forecast

Tonight
Patchy fog after 3am. Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 60. North wind around 5 mph becoming calm in the evening.
Thursday
Patchy fog before 8am. Otherwise, sunny, with a high near 81. Calm wind becoming east around 5 mph.
Thursday Night
Partly cloudy, with a low around 61. Calm wind becoming southeast around 5 mph.
Friday
A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 82. Southwest wind 5 to 10 mph. Chance of precipitation is 60%.
Friday Night
Mostly clear, with a low around 62.
Saturday
Sunny, with a high near 81.
Saturday Night
Mostly clear, with a low around 59.
Sunday
Mostly sunny, with a high near 78.
Sunday Night
Partly cloudy, with a low around 58.
Monday
Mostly sunny, with a high near 78.
Monday Night
Partly cloudy, with a low around 60.
Tuesday
Partly sunny, with a high near 81.
Tuesday Night
Partly cloudy, with a low around 63.
Wednesday
Mostly sunny, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Fenton IL
 41.7°N 90°W (Elev. 594 ft)
4:01 pm CDT Aug 19, 2026
5pm CDT Aug 19, 2026-6pm CDT Aug 26, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database