Dangerous Heat in the Southwest; Severe Thunderstorms and Heavy Rain in the Northeast and Mid-Atlantic

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week. Strong to severe thunderstorms may produce damaging wind, hail, a tornado or two, heavy rain and flash flooding across parts of the Mid-Atlantic and Northeast. Heavy rainfall threat continues across the Gulf Coast. Read More >

Current conditions at

St. Louis Lambert International Airport (KSTL)

Lat: 38.75°NLon: 90.37°WElev: 604ft.

Mostly Cloudy

84°F

29°C

Humidity 44%
Wind Speed N 10 mph
Barometer 30.02 in (1015.7 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 27 Aug 5:51 pm CDT
Extended Forecast for

Black Jack MO

  • Tonight

    Tonight: Patchy fog after 5am.  Otherwise, mostly clear, with a low around 65. North wind 5 to 8 mph becoming calm  in the evening.

    Low: 65 °F

    Mostly Clear
    then Patchy
    Fog

  • Friday

    Friday: Patchy fog before 8am.  Otherwise, sunny, with a high near 87. Calm wind becoming north around 5 mph in the afternoon.

    High: 87 °F

    Patchy Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 65. East wind around 5 mph becoming calm  in the evening.

    Low: 65 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 89. South wind 3 to 8 mph.

    High: 89 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 72. South wind around 8 mph.

    Low: 72 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 95.

    High: 95 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 76.

    Low: 76 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 97.

    High: 97 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 79.

    Low: 79 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy fog after 5am. Otherwise, mostly clear, with a low around 65. North wind 5 to 8 mph becoming calm in the evening.
Friday
Patchy fog before 8am. Otherwise, sunny, with a high near 87. Calm wind becoming north around 5 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 65. East wind around 5 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 89. South wind 3 to 8 mph.
Saturday Night
Partly cloudy, with a low around 72. South wind around 8 mph.
Sunday
Sunny, with a high near 95.
Sunday Night
Mostly clear, with a low around 76.
Monday
Sunny and hot, with a high near 97.
Monday Night
Mostly clear, with a low around 79.
Tuesday
Sunny and hot, with a high near 97.
Tuesday Night
Mostly clear, with a low around 80.
Wednesday
Sunny and hot, with a high near 97.
Wednesday Night
Mostly clear, with a low around 80.
Thursday
Sunny and hot, with a high near 97.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Black Jack MO
 38.8°N 90.25°W (Elev. 597 ft)
5:41 pm CDT Aug 27, 2026
6pm CDT Aug 27, 2026-6pm CDT Sep 3, 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