Winter Storm System To Bring Widespread Impacts Across the Eastern Half of the U.S. Through Midweek

A developing winter storm system will bring a swath of heavy snow and ice from Oklahoma into the Midwest, Ohio Valley, Mid Atlantic, and the Northeast U.S. Tuesday through Wednesday. Areas of dangerous travel are likely. Further South, several inches of heavy rain will lead to the potential for flooding in the lower Mississippi and Tennessee River Valleys. Read More >

Hazardous Weather Conditions

Winter Weather Advisory in effect from February 19, 05:00 PM CST until February 20, 06:00 AM CST

En Español

Current conditions at

St. Louis Lambert International Airport (KSTL)

Lat: 38.75°NLon: 90.37°WElev: 604ft.

Mostly Cloudy

28°F

-2°C

Humidity	63%
Wind Speed	E 3 mph
Barometer	30.55 in (1035.9 mb)
Dewpoint	17°F (-8°C)
Visibility	10.00 mi
Last update	18 Feb 10:51 pm CST

More Information:

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

Extended Forecast for

2 Miles SW Brooklyn IL

Winter Weather Advisory February 19, 05:00pm until February 20, 06:00am

Click here for hazard details and duration

Winter Weather Advisory

Tonight

Mostly Cloudy
Low: 25 °F
Tuesday

Mostly Cloudy
then Snow
Likely
High: 37 °F
Tuesday
Night

Snow and
Patchy Fog
then Wintry
Mix
Low: 32 °F
Wednesday

Chance Rain
then Mostly
Cloudy
High: 46 °F
Wednesday
Night

Mostly Cloudy
Low: 28 °F
Thursday

Partly Sunny
High: 44 °F
Thursday
Night

Mostly Cloudy
Low: 28 °F
Friday

Mostly Sunny
High: 50 °F
Friday
Night

Slight Chance
Rain then
Chance Rain
Low: 41 °F

Detailed Forecast

Tonight

Mostly cloudy, with a low around 25. Northeast wind around 6 mph.

Tuesday

Snow likely, mainly after 5pm. Cloudy, with a high near 37. East wind 6 to 10 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Tuesday Night

Snow before 1am, then snow, possibly mixed with freezing rain between 1am and 2am, then rain after 2am. Patchy fog between 11pm and midnight. Low around 32. East wind 8 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. Little or no ice accumulation expected. New snow accumulation of 1 to 3 inches possible.

Wednesday

A 40 percent chance of rain, mainly before 9am. Mostly cloudy, with a high near 46. East wind 5 to 7 mph becoming west in the afternoon.

Wednesday Night

Mostly cloudy, with a low around 28. West wind 3 to 7 mph.

Thursday

Partly sunny, with a high near 44.

Thursday Night

Mostly cloudy, with a low around 28.

Friday

Mostly sunny, with a high near 50.

Friday Night

A 50 percent chance of rain, mainly after midnight. Mostly cloudy, with a low around 41.