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

15°F

-9°C

Humidity 77%
Wind Speed NW 15 G 21 mph
Barometer 30.32 in (1027.9 mb)
Dewpoint 9°F (-13°C)
Visibility 10.00 mi
Wind Chill0°F (-18°C)
Last update 22 Feb 6:56 am CST
Extended Forecast for

Nachusa IL

  • Today

    Today: A chance of flurries. Mostly cloudy, with a high near 24. Wind chill values as low as 1. Blustery, with a northwest wind around 20 mph, with gusts as high as 30 mph.

    High: 24 °F

    Chance
    Flurries and
    Blustery

  • Tonight

    Tonight: Mostly cloudy, with a low around 13. Wind chill values as low as -3. Blustery, with a north northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 13 °F

    Mostly Cloudy
    and Blustery
    then Partly
    Cloudy

  • Monday

    Monday: Sunny, with a high near 28. Wind chill values as low as -3. North northwest wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 28 °F

    Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 17. Light and variable wind becoming south 5 to 10 mph after midnight. Winds could gust as high as 15 mph.

    Low: 17 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: A slight chance of snow after noon, mixing with rain after 3pm. Partly sunny, with a high near 43. Breezy, with a south wind 10 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    High: 43 °F

    Partly Sunny
    then Slight
    Chance
    Rain/Snow and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 22.

    Low: 22 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 40.

    High: 40 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A chance of snow. Mostly cloudy, with a low around 23.

    Low: 23 °F

    Chance Snow

  • Thursday

    Thursday: A chance of snow before noon. Partly sunny, with a high near 37.

    High: 37 °F

    Chance Snow
    then Partly
    Sunny

Detailed Forecast

Today
A chance of flurries. Mostly cloudy, with a high near 24. Wind chill values as low as 1. Blustery, with a northwest wind around 20 mph, with gusts as high as 30 mph.
Tonight
Mostly cloudy, with a low around 13. Wind chill values as low as -3. Blustery, with a north northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Monday
Sunny, with a high near 28. Wind chill values as low as -3. North northwest wind 5 to 15 mph, with gusts as high as 25 mph.
Monday Night
Increasing clouds, with a low around 17. Light and variable wind becoming south 5 to 10 mph after midnight. Winds could gust as high as 15 mph.
Tuesday
A slight chance of snow after noon, mixing with rain after 3pm. Partly sunny, with a high near 43. Breezy, with a south wind 10 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Tuesday Night
Mostly cloudy, with a low around 22.
Wednesday
Mostly sunny, with a high near 40.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 23.
Thursday
A chance of snow before noon. Partly sunny, with a high near 37.
Thursday Night
Mostly clear, with a low around 22.
Friday
Sunny, with a high near 52.
Friday Night
Partly cloudy, with a low around 31.
Saturday
Partly sunny, with a high near 46.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Nachusa IL
 41.83°N 89.38°W
Last Update:
3:11 am CST Feb 22, 2026
Forecast Valid:
7am CST Feb 22, 2026-6pm CST Feb 28, 2026
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation