Heavy Great Lakes Snow through Friday; Extreme Cold and Potential for Major Winter Storm Late Week into this Weekend

Multiple clipper systems will bring cold temperatures and enhance lake-effect snow downwind of the Great Lakes. An arctic blast will bring frigid temperatures accompanied with gusty winds that may lead to dangerous wind chills beginning in the Northern Plains Thursday before expanding to the South and East. An expansive winter storm will start Friday in the Southern Rockies/Plains and Mid-South. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Sterling Rockfalls (KSQI)

Lat: 41.74°NLon: 89.67°WElev: 643ft.

Fair

24°F

-4°C

Humidity	57%
Wind Speed	Calm
Barometer	30.18 in (1023.3 mb)
Dewpoint	11°F (-12°C)
Visibility	10.00 mi
Last update	20 Jan 6:56 pm CST

More Information:

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

Extended Forecast for

3 Miles ENE Sheffield IL

Tonight
Low: 22 °F⇑
Chance Snow
then Snow
Likely
Wednesday
High: 32 °F
Partly Sunny
then Chance
Snow
Wednesday Night
Low: 14 °F
Breezy.
Chance Snow
then Mostly
Clear
Thursday
High: 25 °F
Mostly Sunny
Thursday Night
Low: -7 °F
Mostly Cloudy
Friday
High: 0 °F
Cold
Friday Night
Low: -8 °F
Mostly Cloudy
Saturday
High: 8 °F
Cold
Saturday Night
Low: 1 °F
Mostly Cloudy

Detailed Forecast

Tonight

A chance of flurries before 8pm, then snow likely, mainly after 3am. Cloudy, with a temperature rising to around 26 by 2am. Southeast wind 5 to 10 mph becoming west after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of less than a half inch possible.

Wednesday

A chance of flurries before 7am, then a chance of snow after 5pm. Partly sunny, with a high near 32. West wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

Wednesday Night

A chance of snow before 10pm, then a chance of flurries between 10pm and 11pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 14. Wind chill values as low as zero. Breezy, with a southwest wind 10 to 20 mph becoming northwest after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 40%.

Thursday

Mostly sunny, with a high near 25. Wind chill values as low as zero. West wind 10 to 15 mph, with gusts as high as 20 mph.

Thursday Night

Mostly cloudy, with a low around -7.

Friday

Mostly sunny and cold, with a high near 0.

Friday Night

Mostly cloudy, with a low around -8.

Saturday

Mostly cloudy and cold, with a high near 8.

Saturday Night

Mostly cloudy, with a low around 1.