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.

Fog/Mist and Breezy

26°F

-3°C

Humidity 100%
Wind Speed NW 21 G 26 mph
Barometer 29.51 in (999.9 mb)
Dewpoint 26°F (-3°C)
Visibility 1.75 mi
Wind Chill12°F (-11°C)
Last update 16 Mar 3:56 am CDT
Extended Forecast for

6 Miles SSE Harmon IL

Blizzard Warning March 16, 04:52am until March 16, 01:00pm
Click here for hazard details and duration
Blizzard Warning
  •  
    Blizzard Warning March 16, 04:52am until March 16, 01:00pm

    NOW until 1:00pm Mon

    Blizzard Warning

  • Overnight

    Low: 24 °F

    Heavy Snow
    and Blowing
    Snow

  • Monday

    Monday: Snow, mainly before 1pm. The snow could be heavy at times. Widespread blowing snow, mainly before 7am. High near 22. Blustery, with a northwest wind around 25 mph, with gusts as high as 40 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    High: 22 °F

    Heavy Snow
    and Blowing
    Snow

  • Monday Night

    Monday Night: Patchy blowing snow before 9pm. Mostly cloudy, with a low around 5. Wind chill values as low as -8. Blustery, with a west northwest wind 10 to 20 mph, with gusts as high as 30 mph.

    Low: 5 °F

    Patchy
    Blowing Snow
    and Blustery
    then Partly
    Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 24. Wind chill values as low as -8. West northwest wind around 10 mph, with gusts as high as 15 mph.

    High: 24 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Snow. Low around 19. South southeast wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.

    Low: 19 °F

    Snow

  • Wednesday

    Wednesday: Partly sunny, with a high near 40.

    High: 40 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 30.

    Low: 30 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 49.

    High: 49 °F

    Mostly Sunny

Detailed Forecast

Overnight
Snow. The snow could be heavy at times. Widespread blowing snow. Steady temperature around 24. Windy, with a northwest wind around 30 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 3 to 5 inches possible.
Monday
Snow, mainly before 1pm. The snow could be heavy at times. Widespread blowing snow, mainly before 7am. High near 22. Blustery, with a northwest wind around 25 mph, with gusts as high as 40 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Monday Night
Patchy blowing snow before 9pm. Mostly cloudy, with a low around 5. Wind chill values as low as -8. Blustery, with a west northwest wind 10 to 20 mph, with gusts as high as 30 mph.
Tuesday
Mostly sunny, with a high near 24. Wind chill values as low as -8. West northwest wind around 10 mph, with gusts as high as 15 mph.
Tuesday Night
Snow. Low around 19. South southeast wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Wednesday
Partly sunny, with a high near 40.
Wednesday Night
Mostly cloudy, with a low around 30.
Thursday
Mostly sunny, with a high near 49.
Thursday Night
Mostly cloudy, with a low around 34.
Friday
Partly sunny, with a high near 60.
Friday Night
Mostly cloudy, with a low around 40.
Saturday
Mostly sunny, with a high near 64.
Saturday Night
Partly cloudy, with a low around 38.
Sunday
Partly sunny, with a high near 57.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SSE Harmon IL
 41.64°N 89.51°W
Last Update:
4:01 am CDT Mar 16, 2026
Forecast Valid:
4am CDT Mar 16, 2026-6pm CDT Mar 22, 2026
 
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Additional Resources

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Chance of Precipitation