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 and Breezy

52°F

11°C

Humidity 69%
Wind Speed E 21 mph
Barometer 29.68 in (1004.9 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 22 Mar 8:56 am CDT
Extended Forecast for

Nachusa IL

  • Today

    Today: A slight chance of showers between 1pm and 4pm. Mostly cloudy, with a temperature falling to around 43 by 5pm. Breezy, with a north northeast wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

    High: 52 °F⇓

    Breezy.
    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Tonight

    Tonight: Partly cloudy, with a low around 27. North wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 27 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 48. North northeast wind around 5 mph, with gusts as high as 10 mph.

    High: 48 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 30. East wind around 5 mph becoming south southeast after midnight. Winds could gust as high as 15 mph.

    Low: 30 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 58. South wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 58 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 42.

    Low: 42 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 61.

    High: 61 °F

    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 47.

    Low: 47 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of showers after 1pm. Partly sunny, with a high near 68.

    High: 68 °F

    Partly Sunny
    then Chance
    Showers

Detailed Forecast

Today
A slight chance of showers between 1pm and 4pm. Mostly cloudy, with a temperature falling to around 43 by 5pm. Breezy, with a north northeast wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Tonight
Partly cloudy, with a low around 27. North wind 10 to 15 mph, with gusts as high as 25 mph.
Monday
Sunny, with a high near 48. North northeast wind around 5 mph, with gusts as high as 10 mph.
Monday Night
Mostly cloudy, with a low around 30. East wind around 5 mph becoming south southeast after midnight. Winds could gust as high as 15 mph.
Tuesday
Partly sunny, with a high near 58. South wind 5 to 10 mph, with gusts as high as 15 mph.
Tuesday Night
Mostly cloudy, with a low around 42.
Wednesday
A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 61.
Wednesday Night
Mostly cloudy, with a low around 47.
Thursday
A chance of showers after 1pm. Partly sunny, with a high near 68.
Thursday Night
Mostly cloudy, with a low around 31.
Friday
Partly sunny, with a high near 46.
Friday Night
Mostly clear, with a low around 27.
Saturday
Sunny, with a high near 53.
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:
8:51 am CDT Mar 22, 2026
Forecast Valid:
9am CDT Mar 22, 2026-6pm CDT Mar 28, 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