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Hazardous Weather Conditions

Current conditions at

Sterling Rockfalls (KSQI)

Lat: 41.74°NLon: 89.67°WElev: 643ft.

Fair

87°F

31°C

Humidity 61%
Wind Speed Vrbl 7 mph
Barometer 29.96 in (1014.0 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index93°F (34°C)
Last update 2 Sep 10:56 am CDT
Extended Forecast for

4 Miles NE Lyndon IL

Heat Advisory September 2, 11:36am until September 3, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 2, 11:36am until September 3, 07:00pm

    NOW until 7:00pm Thu

    Heat Advisory

  • Today

    High: 93 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 74. South wind around 5 mph.

    Low: 74 °F

    Mostly Clear

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms, mainly before 2pm. Mostly sunny, with a high near 92. Heat index values as high as 105. Calm wind becoming southwest around 5 mph in the morning.

    High: 92 °F

    Sunny then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Mostly clear, with a low around 73. South wind around 5 mph. Chance of precipitation is 30%.

    Low: 73 °F

    Mostly Clear
    then Chance
    T-storms

  • Friday

    Friday: A chance of thunderstorms before 7am. Mostly sunny, with a high near 91. Chance of precipitation is 30%.

    High: 91 °F

    Chance
    T-storms then
    Mostly Sunny

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 71.

    Low: 71 °F

    Partly Cloudy
    then Chance
    T-storms

  • Saturday

    Saturday: Mostly sunny, with a high near 89.

    High: 89 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 69.

    Low: 69 °F

    Partly Cloudy

Detailed Forecast

Today
Sunny, with a high near 93. Heat index values as high as 105. Southwest wind around 10 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 74. South wind around 5 mph.
Thursday
A 30 percent chance of showers and thunderstorms, mainly before 2pm. Mostly sunny, with a high near 92. Heat index values as high as 105. Calm wind becoming southwest around 5 mph in the morning.
Thursday Night
A chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Mostly clear, with a low around 73. South wind around 5 mph. Chance of precipitation is 30%.
Friday
A chance of thunderstorms before 7am. Mostly sunny, with a high near 91. Chance of precipitation is 30%.
Friday Night
A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 71.
Saturday
Mostly sunny, with a high near 89.
Saturday Night
Partly cloudy, with a low around 69.
Sunday
Mostly sunny, with a high near 85.
Sunday Night
Partly cloudy, with a low around 66.
Labor Day
Mostly sunny, with a high near 83.
Monday Night
Mostly cloudy, with a low around 64.
Tuesday
Partly sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NE Lyndon IL
 41.76°N 89.85°W (Elev. 633 ft)
Last Update:
10:11 am CDT Sep 2, 2026
Forecast Valid:
11am CDT Sep 2, 2026-6pm CDT Sep 8, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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