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Heavy Rain and Flooding in the Southern Plains to the Great Lakes

Several days of heavy rainfall will lead to flash flooding and river flooding from the Southern Plains to the Southern Great Lakes. A band of freezing rain is forecast across portions of the Southern Plains into the Middle Mississippi Valley. Read More >

Current conditions at

St. Louis Lambert International Airport (KSTL)

Lat: 38.75°NLon: 90.37°WElev: 604ft.

Overcast

31°F

-1°C

Humidity 89%
Wind Speed N 14 mph
Barometer 30.36 in (1028.8 mb)
Dewpoint 28°F (-2°C)
Visibility 8.00 mi
Wind Chill21°F (-6°C)
Last update 21 Feb 3:51 am CST
Extended Forecast for

Maryland Heights MO

Flood Watch until February 21, 06:00am
Winter Weather Advisory February 21, 06:00pm until February 22, 12:00pm
Winter Weather Advisory until February 21, 09:00am
Click here for hazard details and duration
Flood Watch
Winter Weather Advisory
Winter Weather Advisory
  •  
    Flood Watch until February 21, 06:00am
    Winter Weather Advisory until February 21, 09:00am

    NOW: Multiple
    hazards in effect

    Click HERE for Details

  • Overnight

    Overnight: A slight chance of freezing rain.  Cloudy, with a low around 28. North wind 11 to 13 mph, with gusts as high as 22 mph.  Chance of precipitation is 20%.

    Slight Chance
    Freezing Rain

    Low: 28 °F

  • Wednesday

    Wednesday: A slight chance of snow between 1pm and 2pm, then a chance of rain.  Cloudy, with a high near 35. North wind 11 to 14 mph.  Chance of precipitation is 40%.

    Cloudy then
    Chance
    Rain/Snow

    High: 35 °F

  • Wednesday
    Night

    Wednesday Night: Rain or freezing rain likely before 4am, then a chance of freezing rain between 4am and 5am, then a chance of rain after 5am.  Cloudy, with a low around 32. Northeast wind 9 to 11 mph, with gusts as high as 20 mph.  Chance of precipitation is 60%. New ice accumulation of 0.1 to 0.2 of an inch possible.

    Rain/Freezing
    Rain Likely

    Low: 32 °F

  • Thursday

    Thursday: A 30 percent chance of rain before noon.  Cloudy, with a high near 46. Northeast wind 3 to 8 mph.

    Chance Rain
    then Cloudy

    High: 46 °F

  • Thursday
    Night

    Thursday Night: Showers.  Low around 42. Light and variable wind becoming east around 5 mph.  Chance of precipitation is 90%.

    Showers
    Likely then
    Showers

    Low: 42 °F

  • Friday

    Friday: A 30 percent chance of showers before noon.  Mostly cloudy, with a high near 56.

    Chance
    Showers then
    Mostly Cloudy

    High: 56 °F

  • Friday
    Night

    Friday Night: Showers.  Low around 44. Chance of precipitation is 90%.

    Showers

    Low: 44 °F

  • Saturday

    Saturday: Showers, with thunderstorms also possible after noon.  High near 62. Chance of precipitation is 80%.

    Showers then
    Chance
    Showers

    High: 62 °F

Detailed Forecast

Overnight
A slight chance of freezing rain. Cloudy, with a low around 28. North wind 11 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Wednesday
A slight chance of snow between 1pm and 2pm, then a chance of rain. Cloudy, with a high near 35. North wind 11 to 14 mph. Chance of precipitation is 40%.
Wednesday Night
Rain or freezing rain likely before 4am, then a chance of freezing rain between 4am and 5am, then a chance of rain after 5am. Cloudy, with a low around 32. Northeast wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New ice accumulation of 0.1 to 0.2 of an inch possible.
Thursday
A 30 percent chance of rain before noon. Cloudy, with a high near 46. Northeast wind 3 to 8 mph.
Thursday Night
Showers. Low around 42. Light and variable wind becoming east around 5 mph. Chance of precipitation is 90%.
Friday
A 30 percent chance of showers before noon. Mostly cloudy, with a high near 56.
Friday Night
Showers. Low around 44. Chance of precipitation is 90%.
Saturday
Showers, with thunderstorms also possible after noon. High near 62. Chance of precipitation is 80%.
Saturday Night
A 50 percent chance of showers before midnight. Mostly cloudy, with a low around 40.
Sunday
Mostly sunny, with a high near 55.
Sunday Night
Partly cloudy, with a low around 35.
Monday
Mostly sunny, with a high near 57.
Monday Night
Mostly clear, with a low around 37.
Tuesday
Sunny, with a high near 58.
Click Map For Forecast
Point Forecast:
Maryland Heights MO
 38.72°N 90.48°W (Elev. 440 ft)
3:43 am CST Feb 21, 2018
4am CST Feb 21, 2018-6pm CST Feb 27, 2018
 
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