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

38°F

3°C

Humidity 76%
Wind Speed E 5 mph
Barometer 30.36 in (1028.5 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 20 Apr 7:56 am CDT
Extended Forecast for

Rock Falls IL

Flood Warning April 20, 08:01am until April 23, 03:00am
Freeze Warning April 20, 08:01am until April 20, 09:00am
Click here for hazard details and duration
Flood Warning
...
  •  
    Flood Warning April 20, 08:01am until April 23, 03:00am
    Freeze Warning April 20, 08:01am until April 20, 09:00am

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Today

    High: 58 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 46. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 46 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 10 percent chance of showers after 5pm. Mostly sunny, with a high near 76. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 76 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Mostly clear, with a low around 52. Southwest wind around 5 mph. Chance of precipitation is 20%.

    Low: 52 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Wednesday

    Wednesday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm. Low around 58. Chance of precipitation is 80%.

    Low: 58 °F

    Showers

Detailed Forecast

Today
Sunny, with a high near 58. Light and variable wind becoming south 5 to 10 mph in the morning.
Tonight
Partly cloudy, with a low around 46. South wind around 10 mph, with gusts as high as 20 mph.
Tuesday
A 10 percent chance of showers after 5pm. Mostly sunny, with a high near 76. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Mostly clear, with a low around 52. Southwest wind around 5 mph. Chance of precipitation is 20%.
Wednesday
Sunny, with a high near 77.
Wednesday Night
Partly cloudy, with a low around 57.
Thursday
Mostly sunny, with a high near 80.
Thursday Night
Showers and possibly a thunderstorm. Low around 58. Chance of precipitation is 80%.
Friday
A 40 percent chance of showers. Mostly cloudy, with a high near 69.
Friday Night
Partly cloudy, with a low around 45.
Saturday
Mostly sunny, with a high near 66.
Saturday Night
Partly cloudy, with a low around 44.
Sunday
Mostly sunny, with a high near 63.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Rock Falls IL
 41.77°N 89.7°W (Elev. 643 ft)
Last Update:
6:32 am CDT Apr 20, 2026
Forecast Valid:
8am CDT Apr 20, 2026-6pm CDT Apr 26, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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