Heavy Rainfall Possible Across the Central U.S.; Poor Air Quality Across the Northwest and North Central States

Thunderstorms will produce locally heavy rainfall and possibly some flash flooding across central portions of the country through tonight, with a few strong to locally severe thunderstorms possible. Otherwise, smoke from the wildfires burning across western North America will continue to create poor air quality across northern portions of the country. Read More >

Hazardous Weather Conditions

Current conditions at

St. Louis Lambert International Airport (KSTL)

Lat: 38.75°NLon: 90.37°WElev: 604ft.

Overcast

82°F

28°C

Humidity 65%
Wind Speed SE 10 mph
Barometer 29.86 in (1010.3 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 19 Aug 6:51 pm CDT
Extended Forecast for

Saint Louis MO

  • Tonight

    Tonight: A chance of showers and thunderstorms before midnight, then showers likely and possibly a thunderstorm between midnight and 5am, then a chance of showers and thunderstorms after 5am.  Cloudy, with a low around 71. Southeast wind around 8 mph.  Chance of precipitation is 70%.

    Chance
    T-storms then
    Showers
    Likely

    Low: 71 °F

  • Monday

    Monday: Showers and thunderstorms likely, mainly after 3pm.  Mostly cloudy, with a high near 85. South wind 8 to 10 mph.  Chance of precipitation is 60%.

    Chance
    T-storms then
    T-storms
    Likely

    High: 85 °F

  • Monday
    Night

    Monday Night: Showers and thunderstorms likely, mainly before 7pm.  Cloudy, with a low around 68. Southwest wind around 9 mph.  Chance of precipitation is 60%.

    T-storms
    Likely then
    Slight Chance
    T-storms

    Low: 68 °F

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms before 1pm.  Mostly cloudy, with a high near 81. Northwest wind 10 to 13 mph, with gusts as high as 22 mph.

    Slight Chance
    T-storms

    High: 81 °F

  • Tuesday
    Night

    Tuesday Night: Partly cloudy, with a low around 64. Northwest wind 7 to 9 mph.

    Partly Cloudy

    Low: 64 °F

  • Wednesday

    Wednesday: Mostly sunny, with a high near 79.

    Mostly Sunny

    High: 79 °F

  • Wednesday
    Night

    Wednesday Night: Mostly clear, with a low around 61.

    Mostly Clear

    Low: 61 °F

  • Thursday

    Thursday: Sunny, with a high near 82.

    Sunny

    High: 82 °F

  • Thursday
    Night

    Thursday Night: Partly cloudy, with a low around 65.

    Partly Cloudy

    Low: 65 °F

Detailed Forecast

Tonight
A chance of showers and thunderstorms before midnight, then showers likely and possibly a thunderstorm between midnight and 5am, then a chance of showers and thunderstorms after 5am. Cloudy, with a low around 71. Southeast wind around 8 mph. Chance of precipitation is 70%.
Monday
Showers and thunderstorms likely, mainly after 3pm. Mostly cloudy, with a high near 85. South wind 8 to 10 mph. Chance of precipitation is 60%.
Monday Night
Showers and thunderstorms likely, mainly before 7pm. Cloudy, with a low around 68. Southwest wind around 9 mph. Chance of precipitation is 60%.
Tuesday
A 20 percent chance of showers and thunderstorms before 1pm. Mostly cloudy, with a high near 81. Northwest wind 10 to 13 mph, with gusts as high as 22 mph.
Tuesday Night
Partly cloudy, with a low around 64. Northwest wind 7 to 9 mph.
Wednesday
Mostly sunny, with a high near 79.
Wednesday Night
Mostly clear, with a low around 61.
Thursday
Sunny, with a high near 82.
Thursday Night
Partly cloudy, with a low around 65.
Friday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 83.
Friday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69.
Saturday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.
Saturday Night
Partly cloudy, with a low around 72.
Sunday
A 20 percent chance of showers. Mostly sunny, with a high near 90.
Click Map For Forecast
Point Forecast:
Saint Louis MO
 38.64°N 90.23°W (Elev. 538 ft)
6:12 pm CDT Aug 19, 2018
7pm CDT Aug 19, 2018-6pm CDT Aug 26, 2018
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database