National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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

Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Overcast

28°F

-2°C

Humidity 78%
Wind Speed NE 3 mph
Barometer 30.56 in
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Last update 18 Feb 11:15 pm CST
Extended Forecast for

Edwardsville IL

Winter Weather Advisory February 19, 05:00pm until February 20, 06:00am
Click here for hazard details and duration
Winter Weather Advisory

  • Tonight

    Tonight: Mostly cloudy, with a low around 23. Northeast wind 3 to 5 mph.

    Mostly Cloudy

    Low: 23 °F

  • Tuesday

    Tuesday: A slight chance of rain and snow between 3pm and 4pm, then snow likely. Cloudy, with a high near 38. East wind 5 to 11 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Mostly Cloudy
    then
    Rain/Snow
    Likely

    High: 38 °F

  • Tuesday
    Night

    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 9 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. Little or no ice accumulation expected. New snow accumulation of 1 to 3 inches possible.

    Snow and
    Patchy Fog
    then Wintry
    Mix

    Low: 32 °F

  • Wednesday

    Wednesday: A 40 percent chance of rain, mainly before 9am. Mostly cloudy, with a high near 44. East wind 6 to 8 mph becoming west in the afternoon.

    Chance Rain
    then Mostly
    Cloudy

    High: 44 °F

  • Wednesday
    Night

    Wednesday Night: Mostly cloudy, with a low around 27. West wind 6 to 8 mph.

    Mostly Cloudy

    Low: 27 °F

  • Thursday

    Thursday: Mostly sunny, with a high near 42.

    Mostly Sunny

    High: 42 °F

  • Thursday
    Night

    Thursday Night: Mostly cloudy, with a low around 28.

    Mostly Cloudy

    Low: 28 °F

  • Friday

    Friday: Mostly sunny, with a high near 50.

    Mostly Sunny

    High: 50 °F

  • Friday
    Night

    Friday Night: A 50 percent chance of rain, mainly after midnight. Mostly cloudy, with a low around 40.

    Slight Chance
    Rain then
    Chance Rain

    Low: 40 °F

Detailed Forecast

Tonight
Mostly cloudy, with a low around 23. Northeast wind 3 to 5 mph.
Tuesday
A slight chance of rain and snow between 3pm and 4pm, then snow likely. Cloudy, with a high near 38. East wind 5 to 11 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 9 to 11 mph, with gusts as high as 22 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 44. East wind 6 to 8 mph becoming west in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 27. West wind 6 to 8 mph.
Thursday
Mostly sunny, with a high near 42.
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 40.
Saturday
Rain likely, then rain and possibly a thunderstorm after noon. High near 53. Chance of precipitation is 80%.
Saturday Night
Rain. Low around 37. Chance of precipitation is 80%.
Sunday
Mostly sunny, with a high near 46.
Sunday Night
Partly cloudy, with a low around 28.
Monday
Sunny, with a high near 45.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Edwardsville IL
 38.79°N 89.97°W (Elev. 558 ft)
Last Update:
8:44 pm CST Feb 18, 2019
Forecast Valid:
11pm CST Feb 18, 2019-6pm CST Feb 25, 2019
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation