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

Fire Weather Concerns and Severe Weather

Dry and breezy conditions will bring elevated to critical fire weather conditions across portions of the northern and central High Plains through this weekend, where fuels remain largely receptive. Severe thunderstorms and heavy rainfall are possible from the Plains into the Upper Midwest, as well as in the Ohio Valley and portions of the Mid-Atlantic through this weekend. Read More >

Hazardous Weather Conditions

Current conditions at

Sterling Rockfalls (KSQI)

Lat: 41.74°NLon: 89.67°WElev: 643ft.

Fair

61°F

16°C

Humidity 100%
Wind Speed Calm
Barometer 29.85 in (1010.4 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 12 Sep 2:56 am CDT
Extended Forecast for

Rock Falls IL

  • Overnight

    Overnight: Partly cloudy, with a low around 61. South wind around 5 mph.

    Low: 61 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 84. South wind 5 to 10 mph becoming west in the afternoon.

    High: 84 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 57. North wind around 5 mph.

    Low: 57 °F

    Mostly Clear

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms after noon. Increasing clouds, with a high near 74. North wind around 5 mph.

    High: 74 °F

    Mostly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

  • Monday

    Monday: A 30 percent chance of showers before 1pm. Partly sunny, with a high near 75.

    High: 75 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A 50 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 65.

    Low: 65 °F

    Partly Cloudy
    then Chance
    T-storms

  • Tuesday

    Tuesday: Showers likely. Mostly cloudy, with a high near 83. Chance of precipitation is 70%.

    High: 83 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely, then showers and possibly a thunderstorm after 1am. Low around 60. Chance of precipitation is 80%.

    Low: 60 °F

    Showers

Detailed Forecast

Overnight
Partly cloudy, with a low around 61. South wind around 5 mph.
Saturday
Mostly sunny, with a high near 84. South wind 5 to 10 mph becoming west in the afternoon.
Saturday Night
Mostly clear, with a low around 57. North wind around 5 mph.
Sunday
A 50 percent chance of showers and thunderstorms after noon. Increasing clouds, with a high near 74. North wind around 5 mph.
Sunday Night
Partly cloudy, with a low around 50.
Monday
A 30 percent chance of showers before 1pm. Partly sunny, with a high near 75.
Monday Night
A 50 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 65.
Tuesday
Showers likely. Mostly cloudy, with a high near 83. Chance of precipitation is 70%.
Tuesday Night
Showers likely, then showers and possibly a thunderstorm after 1am. Low around 60. Chance of precipitation is 80%.
Wednesday
Showers and possibly a thunderstorm. High near 78. Chance of precipitation is 90%.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 61. Chance of precipitation is 70%.
Thursday
A 40 percent chance of showers. Mostly cloudy, with a high near 78.
Thursday Night
Mostly cloudy, with a low around 57.
Friday
A 30 percent chance of showers. Mostly sunny, with a high near 78.
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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:
2:26 am CDT Sep 12, 2026
Forecast Valid:
3am CDT Sep 12, 2026-6pm CDT Sep 18, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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