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.

Light Snow

21°F

-6°C

Humidity 81%
Wind Speed Vrbl 5 mph
Barometer 30.15 in (1021.9 mb)
Dewpoint 16°F (-9°C)
Visibility 8.00 mi
Wind Chill14°F (-10°C)
Last update 17 Mar 10:56 pm CDT
Extended Forecast for

2 Miles WSW Prophetstown IL

  • Tonight

    Tonight: Snow, mainly before 3am. Temperature rising to around 26 by 5am. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of around an inch possible.

    Low: 20 °F⇑

    Snow

  • Wednesday

    Wednesday: Cloudy through mid morning, then gradual clearing, with a high near 40. South wind 5 to 10 mph becoming west in the afternoon.

    High: 40 °F

    Gradual
    Clearing

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain after 1am. Mostly cloudy, with a low around 33. South wind around 5 mph.

    Low: 33 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Thursday

    Thursday: Mostly sunny, with a high near 51. South wind around 5 mph becoming north in the afternoon.

    High: 51 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 62.

    High: 62 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 42.

    Low: 42 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy

Detailed Forecast

Tonight
Snow, mainly before 3am. Temperature rising to around 26 by 5am. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of around an inch possible.
Wednesday
Cloudy through mid morning, then gradual clearing, with a high near 40. South wind 5 to 10 mph becoming west in the afternoon.
Wednesday Night
A 20 percent chance of rain after 1am. Mostly cloudy, with a low around 33. South wind around 5 mph.
Thursday
Mostly sunny, with a high near 51. South wind around 5 mph becoming north in the afternoon.
Thursday Night
Mostly cloudy, with a low around 36.
Friday
Partly sunny, with a high near 62.
Friday Night
Mostly cloudy, with a low around 42.
Saturday
Mostly sunny, with a high near 72.
Saturday Night
Partly cloudy, with a low around 47.
Sunday
Partly sunny, with a high near 64.
Sunday Night
Mostly clear, with a low around 28.
Monday
Partly sunny, with a high near 46.
Monday Night
Mostly cloudy, with a low around 29.
Tuesday
Partly sunny, with a high near 51.
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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:
9:57 pm CDT Mar 17, 2026
Forecast Valid:
11pm CDT Mar 17, 2026-6pm CDT Mar 24, 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