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

2 Miles WSW Prophetstown IL

Red Flag Warning February 18, 10:00am until February 18, 08:00pm
Click here for hazard details and duration
Red Flag Warning

  • Overnight

    Overnight: Mostly cloudy, with a steady temperature around 52. Breezy, with a south wind around 20 mph, with gusts as high as 30 mph.

    Low: 52 °F

    Mostly Cloudy
    and Breezy

  • Wednesday

    Wednesday: Sunny, with a high near 66. Windy, with a west wind 15 to 20 mph increasing to 25 to 30 mph in the afternoon. Winds could gust as high as 40 mph.

    High: 66 °F

    Sunny and
    Windy

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 38. Southwest wind 5 to 15 mph becoming east after midnight. Winds could gust as high as 25 mph.

    Low: 38 °F

    Increasing
    Clouds

  • Thursday

    Thursday: A chance of rain, with thunderstorms also possible after 3pm. Partly sunny, with a high near 63. East wind 5 to 15 mph. Chance of precipitation is 50%.

    High: 63 °F

    Slight Chance
    Rain then
    Chance Rain

  • Thursday Night

    Thursday Night: Rain likely before 3am, then snow likely. Mostly cloudy, with a low around 31. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 31 °F

    Rain Likely
    then
    Rain/Snow
    Likely

  • Friday

    Friday: Partly sunny, with a high near 38. Breezy.

    High: 38 °F

    Partly Sunny
    and Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 21.

    Low: 21 °F

    Mostly Clear

  • Saturday

    Saturday: Partly sunny, with a high near 35.

    High: 35 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 19.

    Low: 19 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a steady temperature around 52. Breezy, with a south wind around 20 mph, with gusts as high as 30 mph.
Wednesday
Sunny, with a high near 66. Windy, with a west wind 15 to 20 mph increasing to 25 to 30 mph in the afternoon. Winds could gust as high as 40 mph.
Wednesday Night
Increasing clouds, with a low around 38. Southwest wind 5 to 15 mph becoming east after midnight. Winds could gust as high as 25 mph.
Thursday
A chance of rain, with thunderstorms also possible after 3pm. Partly sunny, with a high near 63. East wind 5 to 15 mph. Chance of precipitation is 50%.
Thursday Night
Rain likely before 3am, then snow likely. Mostly cloudy, with a low around 31. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Friday
Partly sunny, with a high near 38. Breezy.
Friday Night
Mostly clear, with a low around 21.
Saturday
Partly sunny, with a high near 35.
Saturday Night
Mostly cloudy, with a low around 19.
Sunday
Mostly sunny, with a high near 33.
Sunday Night
Partly cloudy, with a low around 15.
Monday
Sunny, with a high near 33.
Monday Night
Mostly clear, with a low around 17.
Tuesday
Partly sunny, with a high near 41.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Prophetstown IL
 41.65°N 89.97°W (Elev. 627 ft)
Last Update:
3:36 am CST Feb 18, 2026
Forecast Valid:
3am CST Feb 18, 2026-6pm CST Feb 24, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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