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

Extreme Heat Continues; Severe Thunderstorms into Upper Midwest; Strong Bering Sea Storm

Wildfires and poor air quality continue for the Pacific Northwest, Rockies and extended into the Plains. Severe thunderstorms possible for the northern Plains and upper Midwest on Monday along a frontal boundary. Another boundary will focus showers and thunderstorms for the eastern seaboard with localized heavy rainfall possible. For Alaska, a strong Bering Sea storm will bring winds and rainfall. Read More >

Current conditions at

St. Louis Lambert International Airport (KSTL)

Lat: 38.75°NLon: 90.37°WElev: 604ft.

A Few Clouds

70°F

21°C

Humidity 87%
Wind Speed Calm
Barometer 29.93 in (1012.4 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 3 Aug 12:51 am CDT
Extended Forecast for

3 Miles NNW Black Jack MO

  • Overnight

    Overnight: Mostly clear, with a low around 64. Calm wind.

    Low: 64 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 85. Light and variable wind.

    High: 85 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 66. East wind around 5 mph becoming calm in the evening.

    Low: 66 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 88. Calm wind becoming south around 5 mph.

    High: 88 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 68. East wind around 5 mph becoming calm after midnight.

    Low: 68 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 71.

    Low: 71 °F

    Mostly Clear
    then Chance
    T-storms

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 86.

    High: 86 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 70.

    Low: 70 °F

    Slight Chance
    T-storms then
    Chance
    Showers

Detailed Forecast

Overnight
Mostly clear, with a low around 64. Calm wind.
Monday
Sunny, with a high near 85. Light and variable wind.
Monday Night
Mostly clear, with a low around 66. East wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 88. Calm wind becoming south around 5 mph.
Tuesday Night
Mostly clear, with a low around 68. East wind around 5 mph becoming calm after midnight.
Wednesday
Sunny, with a high near 88.
Wednesday Night
A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 71.
Thursday
A 50 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 86.
Thursday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 70.
Friday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 87. Chance of precipitation is 30%.
Friday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Saturday
A 20 percent chance of showers. Mostly sunny, with a high near 89.
Saturday Night
Partly cloudy, with a low around 73.
Sunday
Mostly sunny, with a high near 91.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Black Jack MO
 38.84°N 90.28°W (Elev. 502 ft)
Last Update:
11:31 pm CDT Aug 2, 2026
Forecast Valid:
1am CDT Aug 3, 2026-6pm CDT Aug 9, 2026
 
Forecast Discussion
 
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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation