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

Sterling Rockfalls (KSQI)

Lat: 41.74°NLon: 89.67°WElev: 643ft.

A Few Clouds

28°F

-2°C

Humidity 60%
Wind Speed Calm
Barometer 29.93 in (1014.0 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Last update 26 Feb 8:56 am CST
Extended Forecast for

Nachusa IL

  • Today

    Today: Partly sunny, with a high near 44. South southeast wind 5 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.

    High: 44 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 30. Southwest wind around 5 mph, with gusts as high as 15 mph.

    Low: 30 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 63. Breezy, with a southwest wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 35 mph.

    High: 63 °F

    Sunny then
    Sunny and
    Breezy

  • Friday Night

    Friday Night: Increasing clouds, with a low around 28. West wind 5 to 15 mph becoming north after midnight. Winds could gust as high as 25 mph.

    Low: 28 °F

    Increasing
    Clouds

  • Saturday

    Saturday: A 50 percent chance of snow. Cloudy, with a high near 36. North northeast wind 5 to 15 mph.

    High: 36 °F

    Chance Snow

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 16.

    Low: 16 °F

    Partly Cloudy

  • Sunday

    Sunday: A 30 percent chance of snow after noon. Mostly cloudy, with a high near 32.

    High: 32 °F

    Mostly Cloudy
    then Chance
    Snow

  • Sunday Night

    Sunday Night: A chance of snow before midnight. Mostly cloudy, with a low around 17.

    Low: 17 °F

    Chance Snow
    then Mostly
    Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 36.

    High: 36 °F

    Mostly Cloudy

Detailed Forecast

Today
Partly sunny, with a high near 44. South southeast wind 5 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.
Tonight
Mostly clear, with a low around 30. Southwest wind around 5 mph, with gusts as high as 15 mph.
Friday
Sunny, with a high near 63. Breezy, with a southwest wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 35 mph.
Friday Night
Increasing clouds, with a low around 28. West wind 5 to 15 mph becoming north after midnight. Winds could gust as high as 25 mph.
Saturday
A 50 percent chance of snow. Cloudy, with a high near 36. North northeast wind 5 to 15 mph.
Saturday Night
Partly cloudy, with a low around 16.
Sunday
A 30 percent chance of snow after noon. Mostly cloudy, with a high near 32.
Sunday Night
A chance of snow before midnight. Mostly cloudy, with a low around 17.
Monday
Mostly cloudy, with a high near 36.
Monday Night
A chance of snow and freezing rain after midnight. Mostly cloudy, with a low around 22.
Tuesday
A chance of rain. Mostly cloudy, with a high near 42.
Tuesday Night
Mostly cloudy, with a low around 26.
Wednesday
Mostly cloudy, with a high near 47.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Nachusa IL
 41.83°N 89.38°W
Last Update:
8:41 am CST Feb 26, 2026
Forecast Valid:
9am CST Feb 26, 2026-6pm CST Mar 4, 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