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

39°F

4°C

Humidity 62%
Wind Speed W 12 mph
Barometer 29.96 in (1014.8 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 27 Feb 11:56 pm CST
Extended Forecast for

Nachusa IL

  • Overnight

    Overnight: Increasing clouds, with a low around 27. Northwest wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 27 °F

    Increasing
    Clouds

  • Saturday

    Saturday: A slight chance of snow between 9am and 4pm. Mostly cloudy, with a high near 37. East northeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    High: 37 °F

    Slight Chance
    Snow

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 20. North wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 20 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 35. Northeast wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 35 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of snow. Mostly cloudy, with a low around 20. East wind 5 to 10 mph.

    Low: 20 °F

    Slight Chance
    Snow

  • Monday

    Monday: Mostly sunny, with a high near 43.

    High: 43 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Rain likely, mainly after midnight. Mostly cloudy, with a low around 32. Chance of precipitation is 70%.

    Low: 32 °F

    Chance Rain
    then Rain
    Likely

  • Tuesday

    Tuesday: Rain. Cloudy, with a high near 44.

    High: 44 °F

    Rain

  • Tuesday Night

    Tuesday Night: A chance of rain before midnight. Partly cloudy, with a low around 31.

    Low: 31 °F

    Chance Rain
    then Partly
    Cloudy

Detailed Forecast

Overnight
Increasing clouds, with a low around 27. Northwest wind 5 to 15 mph, with gusts as high as 25 mph.
Saturday
A slight chance of snow between 9am and 4pm. Mostly cloudy, with a high near 37. East northeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Saturday Night
Mostly cloudy, with a low around 20. North wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday
Mostly sunny, with a high near 35. Northeast wind 5 to 10 mph, with gusts as high as 15 mph.
Sunday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 20. East wind 5 to 10 mph.
Monday
Mostly sunny, with a high near 43.
Monday Night
Rain likely, mainly after midnight. Mostly cloudy, with a low around 32. Chance of precipitation is 70%.
Tuesday
Rain. Cloudy, with a high near 44.
Tuesday Night
A chance of rain before midnight. Partly cloudy, with a low around 31.
Wednesday
A chance of rain. Mostly sunny, with a high near 52.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 39.
Thursday
A chance of rain. Mostly cloudy, with a high near 58.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 44.
Friday
A chance of rain. Cloudy, with a high near 61.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Nachusa IL
 41.83°N 89.38°W
Last Update:
12:21 am CST Feb 28, 2026
Forecast Valid:
12am CST Feb 28, 2026-6pm CST Mar 6, 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