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.

Mostly Cloudy

57°F

14°C

Humidity 90%
Wind Speed E 7 mph
Barometer 30.21 in (1022.7 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 16 Oct 4:56 am CDT
Extended Forecast for

4 Miles SSW Nachusa IL

  • Today

    Today: A 20 percent chance of showers after 4pm. Cloudy, then gradually becoming mostly sunny, with a high near 72. Southeast wind 5 to 10 mph.

    High: 72 °F

    Cloudy then
    Slight Chance
    Showers

  • Tonight

    Tonight: Partly cloudy, with a low around 57. Southeast wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 57 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 80. South wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 80 °F

    Partly Sunny

  • Friday Night

    Friday Night: A chance of showers, then showers and possibly a thunderstorm after 1am. Low around 60. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.

    Low: 60 °F

    Chance
    Showers then
    Showers

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm before 10am, then showers likely between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 75. South southwest wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 70%.

    High: 75 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 45. Chance of precipitation is 70%.

    Low: 45 °F

    Showers
    Likely

  • Sunday

    Sunday: A 30 percent chance of showers before 1pm. Mostly sunny, with a high near 61. Breezy.

    High: 61 °F

    Chance
    Showers and
    Breezy

  • Sunday Night

    Sunday Night: Clear, with a low around 40.

    Low: 40 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

Detailed Forecast

Today
A 20 percent chance of showers after 4pm. Cloudy, then gradually becoming mostly sunny, with a high near 72. Southeast wind 5 to 10 mph.
Tonight
Partly cloudy, with a low around 57. Southeast wind 5 to 10 mph, with gusts as high as 15 mph.
Friday
Partly sunny, with a high near 80. South wind 10 to 15 mph, with gusts as high as 20 mph.
Friday Night
A chance of showers, then showers and possibly a thunderstorm after 1am. Low around 60. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Saturday
Showers likely and possibly a thunderstorm before 10am, then showers likely between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 75. South southwest wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 70%.
Saturday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 45. Chance of precipitation is 70%.
Sunday
A 30 percent chance of showers before 1pm. Mostly sunny, with a high near 61. Breezy.
Sunday Night
Clear, with a low around 40.
Monday
Sunny, with a high near 69.
Monday Night
A chance of showers after 1am. Partly cloudy, with a low around 47.
Tuesday
A chance of showers. Mostly sunny, with a high near 64.
Tuesday Night
A chance of showers. Partly cloudy, with a low around 39.
Wednesday
Mostly sunny, with a high near 60.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Nachusa IL
 41.77°N 89.41°W
Last Update:
4:11 am CDT Oct 16, 2025
Forecast Valid:
5am CDT Oct 16, 2025-6pm CDT Oct 22, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation