Heavy Lake Effect Snow; Subfreezing Temperatures in the Eastern U.S.

A multi-day heavy lake effect snow event is expected downwind of Lakes Erie and Ontario through New Year's Day. The Arctic front will continue to bring increasing winds to the Northeast that will remain gusty. Subfreezing overnight low temperatures will be found as far south as the Gulf Coast. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Sterling Rockfalls (KSQI)

Lat: 41.74°NLon: 89.67°WElev: 643ft.

Fair

10°F

-12°C

Humidity	80%
Wind Speed	W 13 mph
Barometer	30.28 in (1026.5 mb)
Dewpoint	5°F (-15°C)
Visibility	10.00 mi
Wind Chill	-5°F (-21°C)
Last update	30 Dec 1:56 am CST

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Rock Falls IL

Overnight
Low: 10 °F
Mostly Clear
Tuesday
High: 29 °F
Mostly Sunny
then Slight
Chance Snow
Tuesday Night
Low: 28 °F
Mostly Cloudy
Wednesday
High: 32 °F
Mostly Cloudy
then Slight
Chance Snow
Wednesday Night
Low: 10 °F
Partly Cloudy
New Year's Day
High: 22 °F
Mostly Sunny
Thursday Night
Low: 14 °F
Partly Cloudy
Friday
High: 29 °F
Mostly Sunny
Friday Night
Low: 16 °F
Partly Cloudy

Detailed Forecast

Overnight

Mostly clear, with a low around 10. Wind chill values as low as -5. West wind around 10 mph.

Tuesday

A 20 percent chance of snow after 3pm. Increasing clouds, with a high near 29. Wind chill values as low as -5. West wind 5 to 10 mph, with gusts as high as 20 mph.

Tuesday Night

Mostly cloudy, with a steady temperature around 28. West wind around 10 mph.

Wednesday

A 20 percent chance of snow after noon. Cloudy, with a high near 32. West wind 10 to 15 mph, with gusts as high as 20 mph.

Wednesday Night

Partly cloudy, with a low around 10.

New Year's Day

Mostly sunny, with a high near 22.

Thursday Night

Partly cloudy, with a low around 14.

Friday

Mostly sunny, with a high near 29.