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 and Breezy

49°F

9°C

Humidity 93%
Wind Speed E 21 G 29 mph
Barometer 29.99 in (1015.8 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 3 Apr 7:56 pm CDT
Extended Forecast for

Nachusa IL

Flood Watch until April 4, 10:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch until April 4, 10:00am

    NOW until 10:00am Sat

    Flood Watch

  • Tonight

    Low: 44 °F

    Showers

  • Saturday

    Saturday: A slight chance of showers and thunderstorms before 7am, then a slight chance of showers between 7am and 9am. Cloudy, with a temperature falling to around 47 by 5pm. Breezy, with a west wind 15 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 20%.

    High: 51 °F⇓

    Breezy.
    Slight Chance
    T-storms then
    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 34. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 34 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 52. West northwest wind around 15 mph, with gusts as high as 30 mph.

    High: 52 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 34. West wind around 10 mph, with gusts as high as 15 mph.

    Low: 34 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 51.

    High: 51 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 24.

    Low: 24 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 47.

    High: 47 °F

    Mostly Sunny

Detailed Forecast

Tonight
Showers and possibly a thunderstorm before 4am, then a chance of showers and thunderstorms, mainly between 4am and 5am. Low around 44. East wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday
A slight chance of showers and thunderstorms before 7am, then a slight chance of showers between 7am and 9am. Cloudy, with a temperature falling to around 47 by 5pm. Breezy, with a west wind 15 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 20%.
Saturday Night
Mostly cloudy, with a low around 34. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 52. West northwest wind around 15 mph, with gusts as high as 30 mph.
Sunday Night
Mostly clear, with a low around 34. West wind around 10 mph, with gusts as high as 15 mph.
Monday
Mostly sunny, with a high near 51.
Monday Night
Mostly clear, with a low around 24.
Tuesday
Mostly sunny, with a high near 47.
Tuesday Night
Mostly cloudy, with a low around 36.
Wednesday
Partly sunny, with a high near 66. Breezy.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 48. Breezy.
Thursday
A chance of showers. Partly sunny, with a high near 65. Breezy.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 45.
Friday
A chance of showers. Mostly cloudy, with a high near 62.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Nachusa IL
 41.83°N 89.38°W
Last Update:
8:01 pm CDT Apr 3, 2026
Forecast Valid:
8pm CDT Apr 3, 2026-6pm CDT Apr 10, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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