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.

Mostly Cloudy

42°F

6°C

Humidity 82%
Wind Speed W 9 mph
Barometer 30.04 in (1017.5 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 9 Jan 11:56 am CST
Extended Forecast for

Rock Falls IL

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 45. Northwest wind 10 to 15 mph becoming light north.

    High: 45 °F

    Mostly Sunny

  • Tonight

    Tonight: Snow likely, mainly after 3am. Mostly cloudy, with a low around 31. Calm wind. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 31 °F

    Mostly Cloudy
    then Snow
    Likely

  • Saturday

    Saturday: Snow likely before 1pm, then a slight chance of rain and snow between 1pm and 2pm, then a chance of snow after 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 35. West wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.

    High: 35 °F

    Snow Likely
    then Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 20. Northwest wind around 15 mph, with gusts as high as 25 mph.

    Low: 20 °F

    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 31.

    Low: 31 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 47.

    High: 47 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 45. Northwest wind 10 to 15 mph becoming light north.
Tonight
Snow likely, mainly after 3am. Mostly cloudy, with a low around 31. Calm wind. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Saturday
Snow likely before 1pm, then a slight chance of rain and snow between 1pm and 2pm, then a chance of snow after 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 35. West wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.
Saturday Night
Mostly cloudy, with a low around 20. 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 31.
Tuesday
Mostly cloudy, with a high near 47.
Tuesday Night
Mostly cloudy, with a low around 29.
Wednesday
Mostly cloudy, with a high near 34.
Wednesday Night
Mostly cloudy, with a low around 18.
Thursday
Mostly sunny, with a high near 30.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Rock Falls IL
 41.77°N 89.7°W (Elev. 643 ft)
Last Update:
12:26 pm CST Jan 9, 2026
Forecast Valid:
12pm CST Jan 9, 2026-6pm CST Jan 15, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation