National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Sterling Rockfalls (KSQI)

Lat: 41.74°NLon: 89.67°WElev: 643ft.

Fair

36°F

2°C

Humidity 64%
Wind Speed SE 6 mph
Barometer 30.11 in (1020.1 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 25 Mar 2:56 am CDT
Extended Forecast for

Nachusa IL

  • Overnight

    Overnight: Partly cloudy, with a low around 37. Southeast wind around 5 mph.

    Low: 37 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 71. South southwest wind 5 to 15 mph, with gusts as high as 30 mph.

    High: 71 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, then gradually becoming mostly clear, with a low around 52. South wind 5 to 10 mph.

    Low: 52 °F

    Slight Chance
    T-storms

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms after 1pm. Increasing clouds, with a high near 78. Breezy, with a south wind 5 to 10 mph becoming west 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 78 °F

    Mostly Sunny
    then Chance
    T-storms and
    Breezy

  • Thursday Night

    Thursday Night: A 30 percent chance of showers, mainly before 10pm. Mostly cloudy, with a low around 30. Blustery, with a north northeast wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 30 °F

    Chance
    Showers and
    Blustery then
    Mostly Cloudy

  • Friday

    Friday: Sunny, with a high near 46.

    High: 46 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 26.

    Low: 26 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 53.

    High: 53 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 37. Southeast wind around 5 mph.
Wednesday
Mostly sunny, with a high near 71. South southwest wind 5 to 15 mph, with gusts as high as 30 mph.
Wednesday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, then gradually becoming mostly clear, with a low around 52. South wind 5 to 10 mph.
Thursday
A 50 percent chance of showers and thunderstorms after 1pm. Increasing clouds, with a high near 78. Breezy, with a south wind 5 to 10 mph becoming west 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Thursday Night
A 30 percent chance of showers, mainly before 10pm. Mostly cloudy, with a low around 30. Blustery, with a north northeast wind 15 to 20 mph, with gusts as high as 30 mph.
Friday
Sunny, with a high near 46.
Friday Night
Clear, with a low around 26.
Saturday
Sunny, with a high near 53.
Saturday Night
Partly cloudy, with a low around 37.
Sunday
Partly sunny, with a high near 61.
Sunday Night
Partly cloudy, with a low around 47.
Monday
Mostly sunny, with a high near 74.
Monday Night
A chance of showers. Mostly cloudy, with a low around 54.
Tuesday
A chance of showers. Mostly cloudy, with a high near 73.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Nachusa IL
 41.83°N 89.38°W
Last Update:
3:36 am CDT Mar 25, 2026
Forecast Valid:
3am CDT Mar 25, 2026-6pm CDT Mar 31, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation