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

57°F

14°C

Humidity 33%
Wind Speed SW 9 G 17 mph
Barometer 29.85 in (1011.1 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 27 Feb 10:56 am CST
Extended Forecast for

Nachusa IL

  • Today

    Today: Sunny, with a high near 63. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 35 mph.

    High: 63 °F

    Sunny and
    Breezy

  • Tonight

    Tonight: Mostly clear, 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

    Mostly Clear

  • Saturday

    Saturday: A 30 percent chance of snow, mainly after noon. Mostly cloudy, with a high near 36. North northeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 36 °F

    Chance Snow

  • Saturday Night

    Saturday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 17. North wind around 10 mph, with gusts as high as 15 mph.

    Low: 17 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Partly sunny, with a high near 34. Northeast wind around 10 mph, with gusts as high as 15 mph.

    High: 34 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 20.

    Low: 20 °F

    Chance Snow

  • Monday

    Monday: Partly sunny, with a high near 39.

    High: 39 °F

    Partly Sunny

  • Monday Night

    Monday Night: A chance of rain after midnight. Mostly cloudy, with a low around 26.

    Low: 26 °F

    Mostly Cloudy
    then Chance
    Rain

  • Tuesday

    Tuesday: A chance of rain. Cloudy, with a high near 41.

    High: 41 °F

    Chance Rain

Detailed Forecast

Today
Sunny, with a high near 63. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 35 mph.
Tonight
Mostly clear, 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 30 percent chance of snow, mainly after noon. Mostly cloudy, with a high near 36. North northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 17. North wind around 10 mph, with gusts as high as 15 mph.
Sunday
Partly sunny, with a high near 34. Northeast wind around 10 mph, with gusts as high as 15 mph.
Sunday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 20.
Monday
Partly sunny, with a high near 39.
Monday Night
A chance of rain after midnight. Mostly cloudy, with a low around 26.
Tuesday
A chance of rain. Cloudy, with a high near 41.
Tuesday Night
A chance of rain before midnight. Mostly cloudy, with a low around 30.
Wednesday
A chance of rain. Mostly cloudy, with a high near 49.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 38.
Thursday
Rain likely. Partly sunny, with a high near 56.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Nachusa IL
 41.83°N 89.38°W
Last Update:
9:06 am CST Feb 27, 2026
Forecast Valid:
11am CST Feb 27, 2026-6pm CST Mar 5, 2026
 
Forecast Discussion
 
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Additional Resources

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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