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

53°F

12°C

Humidity 40%
Wind Speed W 22 G 25 mph
Barometer 30.21 in (1023.4 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill47°F (8°C)
Last update 5 Apr 2:56 pm CDT
Extended Forecast for

Nachusa IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 53. West northwest wind around 15 mph, with gusts as high as 25 mph.

    High: 53 °F

    Sunny

  • Tonight

    Tonight: Scattered showers, mainly before 1am. Increasing clouds, with a low around 34. West wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

    Low: 34 °F

    Scattered
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 49. Northwest wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 49 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 25. North northeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 25 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 44. Northeast wind 5 to 10 mph becoming southeast in the afternoon.

    High: 44 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of rain and snow showers before 10pm, then a slight chance of rain showers between 10pm and 1am. Mostly cloudy, with a low around 35. Chance of precipitation is 20%.

    Low: 35 °F

    Slight Chance
    Rain/Snow
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: Partly sunny, with a high near 66. Breezy.

    High: 66 °F

    Partly Sunny
    and Breezy

  • Wednesday Night

    Wednesday Night: Showers likely, mainly after 1am. Mostly cloudy, with a low around 52. Breezy.

    Low: 52 °F

    Showers
    Likely and
    Breezy

  • Thursday

    Thursday: A chance of showers. Partly sunny, with a high near 66.

    High: 66 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Sunny, with a high near 53. West northwest wind around 15 mph, with gusts as high as 25 mph.
Tonight
Scattered showers, mainly before 1am. Increasing clouds, with a low around 34. West wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Monday
Mostly sunny, with a high near 49. Northwest wind 10 to 15 mph, with gusts as high as 30 mph.
Monday Night
Partly cloudy, with a low around 25. North northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny, with a high near 44. Northeast wind 5 to 10 mph becoming southeast in the afternoon.
Tuesday Night
A slight chance of rain and snow showers before 10pm, then a slight chance of rain showers between 10pm and 1am. Mostly cloudy, with a low around 35. Chance of precipitation is 20%.
Wednesday
Partly sunny, with a high near 66. Breezy.
Wednesday Night
Showers likely, mainly after 1am. Mostly cloudy, with a low around 52. Breezy.
Thursday
A chance of showers. Partly sunny, with a high near 66.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 44.
Friday
A chance of showers. Partly sunny, with a high near 62.
Friday Night
A chance of showers. Mostly cloudy, with a low around 43.
Saturday
A chance of showers. Partly sunny, with a high near 65.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Nachusa IL
 41.83°N 89.38°W
Last Update:
2:36 pm CDT Apr 5, 2026
Forecast Valid:
3pm CDT Apr 5, 2026-6pm CDT Apr 11, 2026
 
Forecast Discussion
 
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Additional Resources

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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