Areas of Dangerous Heat and Severe Thunderstorms

Dangerous heat will build across the Southwest U.S. through the end of the week with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week before returning over much of the Plains into next week. Severe thunderstorms are expected across parts of the central and southern High Plains, central Great Lakes, and Ozarks Wednesday. Read More >

Current conditions at

St. Louis Lambert International Airport (KSTL)

Lat: 38.75°NLon: 90.37°WElev: 604ft.

A Few Clouds

77°F

25°C

Humidity 71%
Wind Speed E 7 mph
Barometer 30.01 in (1014.8 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 25 Aug 11:51 pm CDT
Extended Forecast for

2 Miles SSW Saint Louis MO

  • Overnight

    Overnight: Mostly cloudy, with a low around 70. Calm wind.

    Low: 70 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 4pm.  Partly sunny, with a high near 90. Calm wind becoming southwest around 6 mph in the morning.

    High: 90 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly before 10pm.  Mostly cloudy during the early evening, then gradual clearing, with a low around 67. Northwest wind around 6 mph becoming calm  in the evening.

    Low: 67 °F

    Chance
    T-storms then
    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 87. North wind 3 to 7 mph.

    High: 87 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 66. North wind around 6 mph becoming calm  in the evening.

    Low: 66 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 68.

    Low: 68 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 70. Calm wind.
Wednesday
A 20 percent chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 90. Calm wind becoming southwest around 6 mph in the morning.
Wednesday Night
A 30 percent chance of showers and thunderstorms, mainly before 10pm. Mostly cloudy during the early evening, then gradual clearing, with a low around 67. Northwest wind around 6 mph becoming calm in the evening.
Thursday
Sunny, with a high near 87. North wind 3 to 7 mph.
Thursday Night
Mostly clear, with a low around 66. North wind around 6 mph becoming calm in the evening.
Friday
Sunny, with a high near 87.
Friday Night
Mostly clear, with a low around 64.
Saturday
Sunny, with a high near 88.
Saturday Night
Mostly clear, with a low around 68.
Sunday
Mostly sunny, with a high near 93.
Sunday Night
Mostly clear, with a low around 73.
Monday
Mostly sunny, with a high near 95.
Monday Night
A 20 percent chance of showers. Partly cloudy, with a low around 75.
Tuesday
A 20 percent chance of showers. Mostly sunny, with a high near 93.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Saint Louis MO
 38.6°N 90.26°W (Elev. 515 ft)
9:36 pm CDT Aug 25, 2026
12am CDT Aug 26, 2026-6pm CDT Sep 1, 2026
 
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