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

23°F

-5°C

Humidity 57%
Wind Speed NW 12 mph
Barometer 30.55 in (1035.7 mb)
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Wind Chill11°F (-12°C)
Last update 23 Feb 9:56 am CST
Extended Forecast for

Deer Grove IL

  • Today

    Today: Mostly sunny, with a high near 28. Northwest wind 5 to 15 mph.

    High: 28 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 16. Light and variable wind becoming south 5 to 10 mph after midnight. Winds could gust as high as 20 mph.

    Low: 16 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 45. Breezy, with a south wind 15 to 20 mph becoming west in the afternoon. Winds could gust as high as 40 mph.

    High: 45 °F

    Mostly Cloudy
    and Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 21. West wind around 15 mph, with gusts as high as 30 mph.

    Low: 21 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: Sunny, with a high near 36.

    High: 36 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 22. New snow accumulation of 1 to 3 inches possible.

    Low: 22 °F

    Chance Snow

  • Thursday

    Thursday: A 30 percent chance of snow before noon. Partly sunny, with a high near 38.

    High: 38 °F

    Chance Snow
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 22.

    Low: 22 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 54.

    High: 54 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 28. Northwest wind 5 to 15 mph.
Tonight
Mostly cloudy, with a low around 16. Light and variable wind becoming south 5 to 10 mph after midnight. Winds could gust as high as 20 mph.
Tuesday
Mostly cloudy, with a high near 45. Breezy, with a south wind 15 to 20 mph becoming west in the afternoon. Winds could gust as high as 40 mph.
Tuesday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 21. West wind around 15 mph, with gusts as high as 30 mph.
Wednesday
Sunny, with a high near 36.
Wednesday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 22. New snow accumulation of 1 to 3 inches possible.
Thursday
A 30 percent chance of snow before noon. Partly sunny, with a high near 38.
Thursday Night
Mostly clear, with a low around 22.
Friday
Sunny, with a high near 54.
Friday Night
Mostly clear, with a low around 28.
Saturday
Partly sunny, with a high near 46.
Saturday Night
Partly cloudy, with a low around 22.
Sunday
A 30 percent chance of snow. Partly sunny, with a high near 38.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Deer Grove IL
 41.6°N 89.68°W (Elev. 643 ft)
Last Update:
10:02 am CST Feb 23, 2026
Forecast Valid:
10am CST Feb 23, 2026-6pm CST Mar 1, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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