Powerful Winter Storm from the Upper Midwest into the Northeast; Severe Thunderstorms in the Midwest and Ohio Valley

A rapidly-intensifying storm is expected to bring heavy snow, blizzard conditions, and icing from the Upper Midwest through the Great Lakes and Northeast. Scattered severe thunderstorms may produce severe/damaging wind gusts and a couple of tornadoes across parts of the Midwest and lower Ohio Valley through the evening. Arctic air will expand across the central and southern U.S.. Read More >

Current conditions at

Sterling Rockfalls (KSQI)

Lat: 41.74°NLon: 89.67°WElev: 643ft.

Fog/Mist and Windy

15°F

-9°C

Humidity 88%
Wind Speed W 36 G 49 mph
Barometer 29.75 in (1007.9 mb)
Dewpoint 12°F (-11°C)
Visibility 3.00 mi
Wind Chill-7°F (-22°C)
Last update 28 Dec 11:56 pm CST
Extended Forecast for

Deer Grove IL

Wind Advisory December 29, 12:52am until December 29, 06:00pm
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory December 29, 12:52am until December 29, 06:00pm

    NOW until 6:00pm Mon

    Wind Advisory

  • Overnight

    Low: 13 °F

    Chance Snow
    and Windy

  • Monday

    Monday: A 20 percent chance of snow before 9am.  Cloudy, then gradually becoming mostly sunny, with a high near 21. Wind chill values as low as -10. Windy, with a northwest wind 20 to 30 mph, with gusts as high as 45 mph.

    High: 21 °F

    Slight Chance
    Snow and
    Windy then
    Partly Sunny
    and Blustery

  • Monday Night

    Monday Night: Partly cloudy, with a low around 10. Wind chill values as low as zero. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 10 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 30. Wind chill values as low as zero. West wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 30 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 24.

    Low: 24 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 30.

    High: 30 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 14.

    Low: 14 °F

    Mostly Cloudy

  • New Year's Day

    New Year's Day: Mostly sunny, with a high near 22.

    High: 22 °F

    Mostly Sunny

Detailed Forecast

Overnight
A 50 percent chance of snow. Cloudy, with a low around 13. Wind chill values as low as -5. Windy, with a west wind around 30 mph, with gusts as high as 50 mph. Total nighttime snow accumulation of less than a half inch possible.
Monday
A 20 percent chance of snow before 9am. Cloudy, then gradually becoming mostly sunny, with a high near 21. Wind chill values as low as -10. Windy, with a northwest wind 20 to 30 mph, with gusts as high as 45 mph.
Monday Night
Partly cloudy, with a low around 10. Wind chill values as low as zero. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday
Partly sunny, with a high near 30. Wind chill values as low as zero. West wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly cloudy, with a low around 24.
Wednesday
Mostly cloudy, with a high near 30.
Wednesday Night
Mostly cloudy, with a low around 14.
New Year's Day
Mostly sunny, with a high near 22.
Thursday Night
Partly cloudy, with a low around 12.
Friday
Mostly sunny, with a high near 29.
Friday Night
Mostly cloudy, with a low around 17.
Saturday
Mostly sunny, with a high near 31.
Saturday Night
Partly cloudy, with a low around 14.
Sunday
Partly sunny, with a high near 30.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Deer Grove IL
 41.6°N 89.68°W (Elev. 643 ft)
9:11 pm CST Dec 28, 2025
12am CST Dec 29, 2025-6pm CST Jan 4, 2026
 
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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