National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Sterling Rockfalls (KSQI)

Lat: 41.74°NLon: 89.67°WElev: 643ft.

Light Snow

21°F

-6°C

Humidity 88%
Wind Speed Vrbl 6 mph
Barometer 30.11 in (1020.6 mb)
Dewpoint 18°F (-8°C)
Visibility 9.00 mi
Wind Chill13°F (-11°C)
Last update 17 Mar 11:56 pm CDT
Extended Forecast for

3 Miles WSW Lyndon IL

  • Overnight

    Overnight: Snow, mainly before 3am, then a chance of flurries after 4am. Temperature rising to around 25 by 5am. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of around an inch possible.

    Low: 20 °F⇑

    Snow

  • Wednesday

    Wednesday: Cloudy, then gradually becoming mostly sunny, with a high near 41. South wind 5 to 10 mph becoming west in the afternoon.

    High: 41 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain after 4am. Cloudy, with a low around 32. Southwest wind around 5 mph becoming southeast after midnight.

    Low: 32 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 51. Southeast wind around 5 mph becoming northwest in the morning.

    High: 51 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 35.

    Low: 35 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 62.

    High: 62 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 41.

    Low: 41 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy

Detailed Forecast

Overnight
Snow, mainly before 3am, then a chance of flurries after 4am. Temperature rising to around 25 by 5am. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of around an inch possible.
Wednesday
Cloudy, then gradually becoming mostly sunny, with a high near 41. South wind 5 to 10 mph becoming west in the afternoon.
Wednesday Night
A 20 percent chance of rain after 4am. Cloudy, with a low around 32. Southwest wind around 5 mph becoming southeast after midnight.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 51. Southeast wind around 5 mph becoming northwest in the morning.
Thursday Night
Mostly cloudy, with a low around 35.
Friday
Partly sunny, with a high near 62.
Friday Night
Mostly cloudy, with a low around 41.
Saturday
Mostly sunny, with a high near 72.
Saturday Night
Partly cloudy, with a low around 47.
Sunday
Partly sunny, with a high near 64.
Sunday Night
Mostly clear, with a low around 28.
Monday
Partly sunny, with a high near 46.
Monday Night
Mostly cloudy, with a low around 28.
Tuesday
Partly sunny, with a high near 51.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Lyndon IL
 41.7°N 89.97°W (Elev. 594 ft)
Last Update:
11:46 pm CDT Mar 17, 2026
Forecast Valid:
12am CDT Mar 18, 2026-6pm CDT Mar 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation