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.

A Few Clouds

32°F

0°C

Humidity 82%
Wind Speed NE 7 mph
Barometer NA
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 27 Mar 5:56 am CDT
Extended Forecast for

Nachusa IL

  • Today

    Today: Mostly sunny, with a high near 45. North northeast wind around 15 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph.

    High: 45 °F

    Mostly Sunny

  • Tonight

    Tonight: Clear, with a low around 24. North northwest wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 24 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 50. Light and variable wind becoming south southwest 10 to 15 mph in the morning. Winds could gust as high as 25 mph.

    High: 50 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 38. South wind around 15 mph.

    Low: 38 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 62. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 62 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 56.

    Low: 56 °F

    Chance
    T-storms then
    Showers
    Likely

  • Tuesday

    Tuesday: A chance of showers and thunderstorms. Partly sunny, with a high near 79. Breezy.

    High: 79 °F

    Chance
    T-storms and
    Breezy

Detailed Forecast

Today
Mostly sunny, with a high near 45. North northeast wind around 15 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph.
Tonight
Clear, with a low around 24. North northwest wind 5 to 15 mph, with gusts as high as 20 mph.
Saturday
Sunny, with a high near 50. Light and variable wind becoming south southwest 10 to 15 mph in the morning. Winds could gust as high as 25 mph.
Saturday Night
Mostly cloudy, with a low around 38. South wind around 15 mph.
Sunday
Partly sunny, with a high near 62. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Partly cloudy, with a low around 46.
Monday
Mostly sunny, with a high near 75.
Monday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 56.
Tuesday
A chance of showers and thunderstorms. Partly sunny, with a high near 79. Breezy.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 50.
Wednesday
A chance of showers. Mostly cloudy, with a high near 62.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 40.
Thursday
A chance of showers. Mostly cloudy, with a high near 50.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Nachusa IL
 41.83°N 89.38°W
Last Update:
5:21 am CDT Mar 27, 2026
Forecast Valid:
6am CDT Mar 27, 2026-6pm CDT Apr 2, 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