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

16°F

-9°C

Humidity 74%
Wind Speed NW 14 mph
Barometer 30.52 in (1034.7 mb)
Dewpoint 9°F (-13°C)
Visibility 9.00 mi
Wind Chill2°F (-17°C)
Last update 23 Feb 5:56 am CST
Extended Forecast for

Nachusa IL

  • Today

    Today: A chance of flurries before noon. Partly sunny, with a high near 28. Wind chill values as low as -2. North northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 28 °F

    Chance
    Flurries

  • Tonight

    Tonight: Mostly cloudy, with a low around 15. Northwest wind 5 to 10 mph becoming south after midnight. Winds could gust as high as 20 mph.

    Low: 15 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 43. Breezy, with a south wind 15 to 25 mph becoming west southwest in the afternoon. Winds could gust as high as 35 mph.

    High: 43 °F

    Mostly Cloudy
    and Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 20. Breezy, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 20 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 35. West northwest wind 5 to 15 mph.

    High: 35 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 21.

    Low: 21 °F

    Chance Snow

  • Thursday

    Thursday: A 30 percent chance of snow before noon. Partly sunny, with a high near 37.

    High: 37 °F

    Chance Snow
    then Partly
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 21.

    Low: 21 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 52.

    High: 52 °F

    Sunny

Detailed Forecast

Today
A chance of flurries before noon. Partly sunny, with a high near 28. Wind chill values as low as -2. North northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tonight
Mostly cloudy, with a low around 15. Northwest wind 5 to 10 mph becoming south after midnight. Winds could gust as high as 20 mph.
Tuesday
Mostly cloudy, with a high near 43. Breezy, with a south wind 15 to 25 mph becoming west southwest in the afternoon. Winds could gust as high as 35 mph.
Tuesday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 20. Breezy, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Wednesday
Sunny, with a high near 35. West northwest wind 5 to 15 mph.
Wednesday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 21.
Thursday
A 30 percent chance of snow before noon. Partly sunny, with a high near 37.
Thursday Night
Mostly clear, with a low around 21.
Friday
Sunny, with a high near 52.
Friday Night
Mostly clear, with a low around 28.
Saturday
Partly sunny, with a high near 45.
Saturday Night
Mostly cloudy, with a low around 22.
Sunday
A chance of snow. Partly sunny, with a high near 36.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Nachusa IL
 41.83°N 89.38°W
Last Update:
5:21 am CST Feb 23, 2026
Forecast Valid:
6am CST Feb 23, 2026-6pm CST Mar 1, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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