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

46°F

8°C

Humidity 93%
Wind Speed E 12 mph
Barometer 30.03 in (1016.7 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 26 Apr 6:56 am CDT
Extended Forecast for

Nachusa IL

  • Today

    Today: Partly sunny, with a high near 72. East southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 72 °F

    Partly Sunny

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly after 4am. Mostly cloudy, with a low around 55. East wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 55 °F

    Partly Cloudy
    then Chance
    T-storms

  • Monday

    Monday: Showers and thunderstorms, mainly after 7am. Some of the storms could be severe and produce heavy rainfall. High near 73. Breezy, with a south southeast wind 20 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

    High: 73 °F

    Breezy.
    T-storms
    Likely then
    Severe
    Thunderstorms

  • Monday Night

    Monday Night: Showers and thunderstorms likely before 1am. Some of the storms could be severe and produce heavy rainfall. Mostly cloudy, with a low around 49. Breezy, with a south wind 15 to 20 mph becoming west after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 60%.

    Low: 49 °F

    Severe
    Thunderstorms
    and Breezy

  • Tuesday

    Tuesday: Partly sunny, with a high near 62. West wind around 15 mph, with gusts as high as 25 mph.

    High: 62 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 44.

    Low: 44 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 72. East southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly after 4am. Mostly cloudy, with a low around 55. East wind 10 to 15 mph, with gusts as high as 25 mph.
Monday
Showers and thunderstorms, mainly after 7am. Some of the storms could be severe and produce heavy rainfall. High near 73. Breezy, with a south southeast wind 20 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Monday Night
Showers and thunderstorms likely before 1am. Some of the storms could be severe and produce heavy rainfall. Mostly cloudy, with a low around 49. Breezy, with a south wind 15 to 20 mph becoming west after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 60%.
Tuesday
Partly sunny, with a high near 62. West wind around 15 mph, with gusts as high as 25 mph.
Tuesday Night
Partly cloudy, with a low around 44.
Wednesday
Mostly sunny, with a high near 60.
Wednesday Night
Partly cloudy, with a low around 40.
Thursday
Mostly sunny, with a high near 60.
Thursday Night
Partly cloudy, with a low around 39.
Friday
Mostly sunny, with a high near 59.
Friday Night
Partly cloudy, with a low around 38.
Saturday
Sunny, with a high near 63.
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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:
5:26 am CDT Apr 26, 2026
Forecast Valid:
7am CDT Apr 26, 2026-6pm CDT May 2, 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