Dangerous Heat and Humidity Continues Over the Midwest/ East; Severe Thunderstorms Upper Midwest Into Great Lakes

Oppressive heat and humidity will continue through today from the Midwest to the East Coast. The Midwest will get a slight reprieve on Sunday as a cold front moves through the area, while excessive heat continues in the East. Severe thunderstorms capable of damaging wind gusts are forecast into tonight across portions of Iowa, Illinois and Wisconsin into Lower Michigan. Read More >

Current conditions at

St. Louis, Spirit Of St. Louis Airport (KSUS)

Lat: 38.66°NLon: 90.66°WElev: 463ft.

Partly Cloudy

93°F

34°C

Humidity 54%
Wind Speed S 6 mph
Barometer 29.90 in (1011.4 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index103°F (39°C)
Last update 20 Jul 2:54 pm CDT
Extended Forecast for

4 Miles ENE New Melle MO

Excessive Heat Warning until July 21, 08:00pm
Click here for hazard details and duration
Excessive Heat Warning
  •  
    Excessive Heat Warning until July 21, 08:00pm

    NOW until
    8:00pm Sun

    Excessive Heat Warning

  • This
    Afternoon

    This Afternoon: Mostly sunny, with a high near 95. Heat index values as high as 107. South wind around 8 mph.

    Mostly Sunny

    High: 95 °F

  • Tonight

    Tonight: Mostly clear, with a low around 78. South wind 5 to 7 mph.

    Mostly Clear

    Low: 78 °F

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 10am.  Mostly sunny, with a high near 92. Heat index values as high as 103. West wind around 6 mph becoming northwest in the afternoon.

    Slight Chance
    T-storms

    High: 92 °F

  • Sunday
    Night

    Sunday Night: Showers and thunderstorms likely.  Increasing clouds, with a low around 69. Calm wind.  Chance of precipitation is 60%.

    T-storms
    Likely

    Low: 69 °F

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms before 1pm.  Mostly cloudy, with a high near 79. North wind 6 to 8 mph, with gusts as high as 20 mph.

    Chance
    T-storms

    High: 79 °F

  • Monday
    Night

    Monday Night: Mostly clear, with a low around 62.

    Mostly Clear

    Low: 62 °F

  • Tuesday

    Tuesday: Sunny, with a high near 81.

    Sunny

    High: 81 °F

  • Tuesday
    Night

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

    Mostly Clear

    Low: 61 °F

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 95. Heat index values as high as 107. South wind around 8 mph.
Tonight
Mostly clear, with a low around 78. South wind 5 to 7 mph.
Sunday
A 20 percent chance of showers and thunderstorms after 10am. Mostly sunny, with a high near 92. Heat index values as high as 103. West wind around 6 mph becoming northwest in the afternoon.
Sunday Night
Showers and thunderstorms likely. Increasing clouds, with a low around 69. Calm wind. Chance of precipitation is 60%.
Monday
A 30 percent chance of showers and thunderstorms before 1pm. Mostly cloudy, with a high near 79. North wind 6 to 8 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 62.
Tuesday
Sunny, with a high near 81.
Tuesday Night
Mostly clear, with a low around 61.
Wednesday
Sunny, with a high near 82.
Wednesday Night
Mostly clear, with a low around 62.
Thursday
Sunny, with a high near 85.
Thursday Night
Mostly clear, with a low around 64.
Friday
Sunny, with a high near 86.
Friday Night
Partly cloudy, with a low around 67.
Saturday
Mostly sunny, with a high near 88.
Click Map For Forecast
Point Forecast:
4 Miles ENE New Melle MO
 38.72°N 90.82°W (Elev. 630 ft)
1:29 pm CDT Jul 20, 2019
3pm CDT Jul 20, 2019-6pm CDT Jul 27, 2019
 
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