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

Arctic Air for the Northeast and Mid-Atlantic; Increase Moisture for Pacific Northwest; Active Pattern for Hawaii

An arctic cold front will impact the Great Lakes, Northeast and mid-Atlantic. Snow showers and squalls will accompany this system with increasing winds and falling temperatures. Damaging wind gusts may result in tree damage and power outages. Meanwhile, moisture returns for the Pacific Northwest and Hawaii this weekend with both coverage and intensity of rainfall and higher elevation snows. Read More >

Current conditions at

Sterling Rockfalls (KSQI)

Lat: 41.74°NLon: 89.67°WElev: 643ft.

A Few Clouds

45°F

7°C

Humidity 48%
Wind Speed NW 16 G 23 mph
Barometer 29.98 in (1015.7 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 6 Feb 2:56 pm CST
Extended Forecast for

Walnut IL

  • This Afternoon

    This Afternoon: Cloudy, with a high near 40. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 40 °F

    Cloudy and
    Breezy

  • Tonight

    Tonight: Mostly cloudy during the early evening, then gradual clearing, with a low around 11. North wind 5 to 15 mph, with gusts as high as 30 mph.

    Low: 11 °F

    Gradual
    Clearing

  • Saturday

    Saturday: Increasing clouds, with a high near 28. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 28 °F

    Increasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 22. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 22 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 39.

    High: 39 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 24.

    Low: 24 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 51.

    High: 51 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 34.

    Low: 34 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 56.

    High: 56 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Cloudy, with a high near 40. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Tonight
Mostly cloudy during the early evening, then gradual clearing, with a low around 11. North wind 5 to 15 mph, with gusts as high as 30 mph.
Saturday
Increasing clouds, with a high near 28. Calm wind becoming southeast around 5 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around 22. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday
Mostly sunny, with a high near 39.
Sunday Night
Partly cloudy, with a low around 24.
Monday
Mostly sunny, with a high near 51.
Monday Night
Mostly clear, with a low around 34.
Tuesday
Mostly sunny, with a high near 56.
Tuesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 31.
Wednesday
Mostly cloudy, with a high near 42.
Wednesday Night
Mostly cloudy, with a low around 26.
Thursday
Partly sunny, with a high near 40.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Walnut IL
 41.55°N 89.6°W (Elev. 696 ft)
Last Update:
3:17 pm CST Feb 6, 2026
Forecast Valid:
3pm CST Feb 6, 2026-6pm CST Feb 12, 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