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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

6 Miles NNW Lanark IL

Fire Weather Watch February 18, 10:00am until February 18, 08:00pm
Click here for hazard details and duration
Fire Weather Watch

  • This Afternoon

    This Afternoon: A slight chance of sprinkles. Mostly cloudy, with a high near 61. Southeast wind around 15 mph, with gusts as high as 30 mph.

    High: 61 °F

    Slight Chance
    Sprinkles

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms, mainly before 3am. Cloudy, then gradually becoming partly cloudy, with a low around 47. Southeast wind around 15 mph becoming southwest after midnight. Winds could gust as high as 30 mph.

    Low: 47 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Sunny, with a high near 62. Breezy, with a west wind 15 to 25 mph, with gusts as high as 35 mph.

    High: 62 °F

    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 35. Southwest wind 5 to 10 mph becoming east after midnight. Winds could gust as high as 20 mph.

    Low: 35 °F

    Partly Cloudy

  • Thursday

    Thursday: A 50 percent chance of showers after noon. Partly sunny, with a high near 58.

    High: 58 °F

    Partly Sunny
    then Chance
    Showers

  • Thursday Night

    Thursday Night: Rain likely before 3am, then snow likely. Mostly cloudy, with a low around 29. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 29 °F

    Showers
    Likely then
    Rain/Snow
    Likely

  • Friday

    Friday: A 30 percent chance of snow before noon. Mostly cloudy, with a high near 37.

    High: 37 °F

    Chance Snow
    then Partly
    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 21.

    Low: 21 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 37.

    High: 37 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A slight chance of sprinkles. Mostly cloudy, with a high near 61. Southeast wind around 15 mph, with gusts as high as 30 mph.
Tonight
A 50 percent chance of showers and thunderstorms, mainly before 3am. Cloudy, then gradually becoming partly cloudy, with a low around 47. Southeast wind around 15 mph becoming southwest after midnight. Winds could gust as high as 30 mph.
Wednesday
Sunny, with a high near 62. Breezy, with a west wind 15 to 25 mph, with gusts as high as 35 mph.
Wednesday Night
Partly cloudy, with a low around 35. Southwest wind 5 to 10 mph becoming east after midnight. Winds could gust as high as 20 mph.
Thursday
A 50 percent chance of showers after noon. Partly sunny, with a high near 58.
Thursday Night
Rain likely before 3am, then snow likely. Mostly cloudy, with a low around 29. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Friday
A 30 percent chance of snow before noon. Mostly cloudy, with a high near 37.
Friday Night
Partly cloudy, with a low around 21.
Saturday
Mostly sunny, with a high near 37.
Saturday Night
Mostly cloudy, with a low around 19.
Sunday
Partly sunny, with a high near 31.
Sunday Night
Mostly clear, with a low around 14.
Monday
Sunny, with a high near 32.
Monday Night
Partly cloudy, with a low around 16.
Tuesday
Mostly sunny, with a high near 40.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NNW Lanark IL
 42.17°N 89.89°W (Elev. 830 ft)
Last Update:
3:17 pm CST Feb 17, 2026
Forecast Valid:
5pm CST Feb 17, 2026-6pm CST Feb 24, 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