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.

Fair

43°F

6°C

Humidity 82%
Wind Speed NW 12 mph
Barometer 29.99 in (1015.6 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 9 Jan 9:56 am CST
Extended Forecast for

Rock Falls IL

  • Today

    Today: Mostly sunny, with a high near 45. Northwest wind 10 to 15 mph decreasing to 5 to 10 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 45 °F

    Mostly Sunny

  • Tonight

    Tonight: A chance of rain before 4am, then a chance of rain and snow between 4am and 5am, then a chance of snow after 5am. Increasing clouds, with a low around 31. North wind around 5 mph becoming calm. Chance of precipitation is 40%.

    Low: 31 °F

    Mostly Cloudy
    then Chance
    Rain/Snow

  • Saturday

    Saturday: A 40 percent chance of snow. Cloudy, then gradually becoming mostly sunny, with a high near 38. West wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 38 °F

    Chance Snow

  • Saturday Night

    Saturday Night: A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 21. Northwest wind around 15 mph, with gusts as high as 25 mph.

    Low: 21 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 32.

    High: 32 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 24.

    Low: 24 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 42.

    High: 42 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 33.

    Low: 33 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of rain after noon. Mostly cloudy, with a high near 46.

    High: 46 °F

    Mostly Cloudy
    then Chance
    Rain

Detailed Forecast

Today
Mostly sunny, with a high near 45. Northwest wind 10 to 15 mph decreasing to 5 to 10 mph in the afternoon. Winds could gust as high as 25 mph.
Tonight
A chance of rain before 4am, then a chance of rain and snow between 4am and 5am, then a chance of snow after 5am. Increasing clouds, with a low around 31. North wind around 5 mph becoming calm. Chance of precipitation is 40%.
Saturday
A 40 percent chance of snow. Cloudy, then gradually becoming mostly sunny, with a high near 38. West wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Saturday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 21. Northwest wind around 15 mph, with gusts as high as 25 mph.
Sunday
Mostly sunny, with a high near 32.
Sunday Night
Partly cloudy, with a low around 24.
Monday
Mostly sunny, with a high near 42.
Monday Night
Mostly cloudy, with a low around 33.
Tuesday
A 30 percent chance of rain after noon. Mostly cloudy, with a high near 46.
Tuesday Night
A 30 percent chance of rain before midnight. Mostly cloudy, with a low around 31.
Wednesday
Partly sunny, with a high near 35.
Wednesday Night
Partly cloudy, with a low around 19.
Thursday
Mostly sunny, with a high near 31.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Rock Falls IL
 41.77°N 89.67°W (Elev. 650 ft)
Last Update:
6:31 am CST Jan 9, 2026
Forecast Valid:
10am CST Jan 9, 2026-6pm CST Jan 15, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation