Tracking Late December Winter Storm Expected to Impact the Northern Plains through the Northeast U.S.

A winter storm system will rapidly intensify over the Midwest on Sunday and track through the Great Lakes on Monday. Periods of heavy snow are anticipated across the Upper Great Lakes late Sunday and continuing into Monday. At least 1/10 inch of ice accumulation is expected from a wintry mix across much of the interior Northeast U.S. starting Sunday afternoon. Read More >

Hazardous Weather Conditions

Current conditions at

Sterling Rockfalls (KSQI)

Lat: 41.74°NLon: 89.67°WElev: 643ft.

Fog/Mist

38°F

3°C

Humidity	100%
Wind Speed	SE 6 mph
Barometer	30.01 in (1016.5 mb)
Dewpoint	38°F (3°C)
Visibility	4.00 mi
Wind Chill	33°F (1°C)
Last update	27 Dec 7:56 am CST

More Information:

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

Extended Forecast for

Sheffield IL

Dense Fog Advisory December 27, 08:21am until December 27, 12:00pm

Click here for hazard details and duration

Dense Fog Advisory

Dense Fog Advisory December 27, 08:21am until December 27, 12:00pm
NOW until 12:00pm Sat
Dense Fog Advisory
Today
High: 51 °F
Areas Dense
Fog
Tonight
Low: 47 °F⇑
Chance Rain
and Areas Fog
Sunday
High: 59 °F
Rain and
Breezy
Sunday Night
Low: 14 °F
Windy. Chance
Rain/Snow
then Slight
Chance Snow
Monday
High: 22 °F
Mostly Cloudy
and Breezy
Monday Night
Low: 11 °F
Partly Cloudy
and Blustery
then Mostly
Clear
Tuesday
High: 30 °F
Mostly Sunny
Tuesday Night
Low: 22 °F
Mostly Cloudy

Detailed Forecast

Today

Areas of dense fog before 3pm. Otherwise, cloudy, with a high near 51. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.

Tonight

A 40 percent chance of rain. Areas of fog. Otherwise, cloudy, with a temperature rising to around 56 by 4am. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.

Sunday

Rain, with thunderstorms also possible after noon. High near 59. Breezy, with a south wind 5 to 10 mph becoming west 15 to 20 mph in the afternoon. Winds could gust as high as 35 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

Sunday Night

A chance of rain and snow before 9pm, then a chance of snow. Mostly cloudy, with a low around 14. Wind chill values as low as -5. Windy, with a west wind 25 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

Monday

Mostly cloudy, with a high near 22. Breezy.

Monday Night

Partly cloudy, with a low around 11. Blustery.

Tuesday

Mostly sunny, with a high near 30.

Tuesday Night

Mostly cloudy, with a low around 22.

Wednesday

Mostly cloudy, with a high near 34.

Wednesday Night

Mostly cloudy, with a low around 10.