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NWS St. Louis Announces Changes To May 16, 2025 Tornado Damage Assessment

After a year-long review of new ground survey data and aerial imagery, NWS St. Louis made several adjustments to the May 16, 2025 tornado damage assessment. Read More >

Hazardous Weather Conditions

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Fair

73°F

23°C

Humidity 81%
Wind Speed S 7 mph
Barometer 29.85 in (1010.6 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 16 May 8:53 pm CDT
Extended Forecast for

Barnhart MO

  • Tonight

    Tonight: Mostly cloudy, with a low around 66. South wind 3 to 6 mph.

    Low: 66 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, then gradually becoming sunny, with a high near 87. South wind 7 to 11 mph, with gusts as high as 24 mph.

    High: 87 °F

    Becoming
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 70. South wind 9 to 11 mph, with gusts as high as 22 mph.

    Low: 70 °F

    Mostly Clear

  • Monday

    Monday: A slight chance of showers, then a chance of showers and thunderstorms after 10am. Partly sunny, with a high near 89. South wind around 11 mph, with gusts as high as 24 mph. Chance of precipitation is 50%.

    High: 89 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71. South wind around 11 mph, with gusts as high as 23 mph.

    Low: 71 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: Showers and possibly a thunderstorm. High near 89. Chance of precipitation is 80%.

    High: 89 °F

    Showers
    Likely then
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Low around 60. Chance of precipitation is 80%.

    Low: 60 °F

    Showers

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms. Mostly cloudy, with a high near 72. Chance of precipitation is 20%.

    High: 72 °F

    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers. Mostly cloudy, with a low around 53.

    Low: 53 °F

    Slight Chance
    Showers

Detailed Forecast

Tonight
Mostly cloudy, with a low around 66. South wind 3 to 6 mph.
Sunday
Partly sunny, then gradually becoming sunny, with a high near 87. South wind 7 to 11 mph, with gusts as high as 24 mph.
Sunday Night
Mostly clear, with a low around 70. South wind 9 to 11 mph, with gusts as high as 22 mph.
Monday
A slight chance of showers, then a chance of showers and thunderstorms after 10am. Partly sunny, with a high near 89. South wind around 11 mph, with gusts as high as 24 mph. Chance of precipitation is 50%.
Monday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71. South wind around 11 mph, with gusts as high as 23 mph.
Tuesday
Showers and possibly a thunderstorm. High near 89. Chance of precipitation is 80%.
Tuesday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Low around 60. Chance of precipitation is 80%.
Wednesday
A slight chance of showers and thunderstorms. Mostly cloudy, with a high near 72. Chance of precipitation is 20%.
Wednesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 53.
Thursday
Partly sunny, with a high near 71.
Thursday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 53.
Friday
A 20 percent chance of showers. Partly sunny, with a high near 75.
Friday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 57.
Saturday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 82.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Barnhart MO
 38.34°N 90.41°W (Elev. 597 ft)
Last Update:
9:06 pm CDT May 16, 2026
Forecast Valid:
9pm CDT May 16, 2026-6pm CDT May 23, 2026
 
Forecast Discussion
 
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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