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

Hazardous Weather Conditions

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Partly Cloudy

82°F

28°C

Humidity 69%
Wind Speed NW 14 mph
Barometer 29.95 in (1013.8 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 14 Jun 2:53 pm CDT
Extended Forecast for

2 Miles E Barnhart MO

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 80. North wind around 8 mph.

    High: 80 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Patchy fog after 3am. Otherwise, partly cloudy, with a low around 67. North wind around 6 mph becoming calm in the evening.

    Low: 67 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 8am. Otherwise, partly sunny, with a high near 86. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 86 °F

    Patchy Fog
    then Partly
    Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 69. East wind around 5 mph becoming calm in the evening.

    Low: 69 °F

    Mostly Cloudy
    then Chance
    Showers

  • Monday

    Monday: A slight chance of showers, then a chance of showers and thunderstorms after 10am. Partly sunny, with a high near 84. Light southeast wind. Chance of precipitation is 30%.

    High: 84 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 4am, then a slight chance of showers. Mostly cloudy, with a low around 69. Chance of precipitation is 30%.

    Low: 69 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89.

    High: 89 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 73.

    Low: 73 °F

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 89. Chance of precipitation is 60%.

    High: 89 °F

    Chance
    T-storms then
    T-storms
    Likely

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 80. North wind around 8 mph.
Tonight
Patchy fog after 3am. Otherwise, partly cloudy, with a low around 67. North wind around 6 mph becoming calm in the evening.
Sunday
Patchy fog before 8am. Otherwise, partly sunny, with a high near 86. Calm wind becoming northeast around 5 mph in the afternoon.
Sunday Night
A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 69. East wind around 5 mph becoming calm in the evening.
Monday
A slight chance of showers, then a chance of showers and thunderstorms after 10am. Partly sunny, with a high near 84. Light southeast wind. Chance of precipitation is 30%.
Monday Night
A chance of showers and thunderstorms before 4am, then a slight chance of showers. Mostly cloudy, with a low around 69. Chance of precipitation is 30%.
Tuesday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 73.
Wednesday
Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 89. Chance of precipitation is 60%.
Wednesday Night
A 50 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 72.
Juneteenth
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 88.
Thursday Night
Mostly clear, with a low around 68.
Friday
Sunny, with a high near 93.
Friday Night
Mostly clear, with a low around 74.
Saturday
Sunny, with a high near 95.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles E Barnhart MO
 38.34°N 90.39°W (Elev. 587 ft)
Last Update:
2:06 pm CDT Jun 14, 2025
Forecast Valid:
3pm CDT Jun 14, 2025-6pm CDT Jun 21, 2025
 
Forecast Discussion
 
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Additional Resources

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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