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.

Fair

10°F

-12°C

Humidity 80%
Wind Speed E 3 mph
Barometer 30.37 in (1029.6 mb)
Dewpoint 5°F (-15°C)
Visibility 10.00 mi
Last update 4 Feb 1:56 am CST
Extended Forecast for

Nachusa IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 10. North northeast wind around 5 mph.

    Low: 10 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Cloudy through mid morning, then gradual clearing, with a high near 27. Wind chill values as low as 1. North northeast wind around 5 mph.

    High: 27 °F

    Becoming
    Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 16. Calm wind becoming west southwest around 5 mph after midnight. Winds could gust as high as 10 mph.

    Low: 16 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Mostly cloudy, with a high near 36. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 36 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: A slight chance of snow showers, freezing rain, and sleet after midnight. Mostly cloudy, with a low around 28. West southwest wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    Low: 28 °F

    Mostly Cloudy
    then Slight
    Chance Wintry
    Mix

  • Friday

    Friday: Partly sunny, with a high near 41. Breezy.

    High: 41 °F

    Mostly Cloudy
    then Partly
    Sunny and
    Breezy

  • Friday Night

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

    Low: 16 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 32.

    High: 32 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 24.

    Low: 24 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 10. North northeast wind around 5 mph.
Wednesday
Cloudy through mid morning, then gradual clearing, with a high near 27. Wind chill values as low as 1. North northeast wind around 5 mph.
Wednesday Night
Increasing clouds, with a low around 16. Calm wind becoming west southwest around 5 mph after midnight. Winds could gust as high as 10 mph.
Thursday
Mostly cloudy, with a high near 36. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Thursday Night
A slight chance of snow showers, freezing rain, and sleet after midnight. Mostly cloudy, with a low around 28. West southwest wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Friday
Partly sunny, with a high near 41. Breezy.
Friday Night
Partly cloudy, with a low around 16.
Saturday
Mostly sunny, with a high near 32.
Saturday Night
Mostly cloudy, with a low around 24.
Sunday
Partly sunny, with a high near 38.
Sunday Night
Partly cloudy, with a low around 24.
Monday
Mostly sunny, with a high near 45.
Monday Night
Partly cloudy, with a low around 31.
Tuesday
Partly sunny, with a high near 49.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Nachusa IL
 41.83°N 89.38°W
Last Update:
2:46 am CST Feb 4, 2026
Forecast Valid:
2am CST Feb 4, 2026-6pm CST Feb 10, 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