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

2°F

-17°C

Humidity 88%
Wind Speed Calm
Barometer 30.37 in (1029.8 mb)
Dewpoint -1°F (-18°C)
Visibility 10.00 mi
Last update 1 Feb 2:56 am CST
Extended Forecast for

Nachusa IL

  • Overnight

    Overnight: Partly cloudy, with a low around 8. Wind chill values as low as -1. South southwest wind around 5 mph.

    Low: 8 °F

    Partly Cloudy

  • Sunday

    Sunday: A 30 percent chance of snow after 3pm. Increasing clouds, with a high near 26. Wind chill values as low as -2. South southwest wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 26 °F

    Partly Sunny
    then Chance
    Snow

  • Sunday Night

    Sunday Night: Snow likely, mainly before midnight. Cloudy, with a low around 18. South southwest wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 18 °F

    Snow Likely
    then Slight
    Chance Snow

  • Monday

    Monday: Partly sunny, with a high near 29. West northwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 29 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 16. North northwest wind around 5 mph.

    Low: 16 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 27.

    High: 27 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 8.

    Low: 8 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 27.

    High: 27 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 14.

    Low: 14 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 8. Wind chill values as low as -1. South southwest wind around 5 mph.
Sunday
A 30 percent chance of snow after 3pm. Increasing clouds, with a high near 26. Wind chill values as low as -2. South southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Sunday Night
Snow likely, mainly before midnight. Cloudy, with a low around 18. South southwest wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Monday
Partly sunny, with a high near 29. West northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Monday Night
Mostly cloudy, with a low around 16. North northwest wind around 5 mph.
Tuesday
Mostly sunny, with a high near 27.
Tuesday Night
Partly cloudy, with a low around 8.
Wednesday
Sunny, with a high near 27.
Wednesday Night
Partly cloudy, with a low around 14.
Thursday
Partly sunny, with a high near 37.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 29.
Friday
Mostly cloudy, with a high near 36.
Friday Night
Partly cloudy, with a low around 10.
Saturday
Mostly sunny, with a high near 23.
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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 1, 2026
Forecast Valid:
3am CST Feb 1, 2026-6pm CST Feb 7, 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