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

25°F

-4°C

Humidity 78%
Wind Speed N 13 mph
Barometer 30.35 in (1028.5 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill13°F (-11°C)
Last update 28 Feb 11:56 pm CST
Extended Forecast for

Nachusa IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 21. North northeast wind around 10 mph.

    Low: 21 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 36. Northeast wind 5 to 10 mph.

    High: 36 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 21. East southeast wind around 10 mph.

    Low: 21 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 45. Southeast wind 10 to 15 mph.

    High: 45 °F

    Partly Sunny

  • Monday Night

    Monday Night: A chance of rain and snow before 9pm, then rain likely. Cloudy, with a low around 33. Southeast wind 5 to 10 mph. Chance of precipitation is 70%.

    Low: 33 °F

    Chance
    Rain/Snow
    then Rain
    Likely

  • Tuesday

    Tuesday: Rain, mainly before noon. High near 47. Chance of precipitation is 80%.

    High: 47 °F

    Rain then
    Chance Rain

  • Tuesday Night

    Tuesday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 35.

    Low: 35 °F

    Chance Rain

  • Wednesday

    Wednesday: A chance of rain. Mostly cloudy, with a high near 53.

    High: 53 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A chance of rain. Mostly cloudy, with a low around 40.

    Low: 40 °F

    Chance Rain

Detailed Forecast

Overnight
Mostly cloudy, with a low around 21. North northeast wind around 10 mph.
Sunday
Mostly sunny, with a high near 36. Northeast wind 5 to 10 mph.
Sunday Night
Mostly cloudy, with a low around 21. East southeast wind around 10 mph.
Monday
Partly sunny, with a high near 45. Southeast wind 10 to 15 mph.
Monday Night
A chance of rain and snow before 9pm, then rain likely. Cloudy, with a low around 33. Southeast wind 5 to 10 mph. Chance of precipitation is 70%.
Tuesday
Rain, mainly before noon. High near 47. Chance of precipitation is 80%.
Tuesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 35.
Wednesday
A chance of rain. Mostly cloudy, with a high near 53.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 40.
Thursday
A chance of rain. Mostly cloudy, with a high near 59.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 45.
Friday
Rain likely. Mostly cloudy, with a high near 63.
Friday Night
Rain likely. Mostly cloudy, with a low around 44.
Saturday
A chance of rain. Mostly cloudy, with a high near 59.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Nachusa IL
 41.83°N 89.38°W
Last Update:
8:36 pm CST Feb 28, 2026
Forecast Valid:
12am CST Mar 1, 2026-6pm CST Mar 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