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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 >

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Festus MO

  • Overnight

    Overnight: A 50 percent chance of showers and thunderstorms, mainly before 5am. Mostly cloudy, with a low around 71. Calm wind becoming southeast around 5 mph.

    Low: 71 °F

    Chance
    T-storms

  • Monday

    Monday: Showers and thunderstorms, mainly before 3pm. High near 85. South wind 5 to 7 mph. Chance of precipitation is 80%.

    High: 85 °F

    Showers

  • Monday Night

    Monday Night: Showers and thunderstorms likely before 5am, then a chance of showers. Partly cloudy, with a low around 70. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.

    Low: 70 °F

    Showers
    Likely then
    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers and thunderstorms before 11am, then a slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93. Heat index values as high as 109. Southwest wind 3 to 6 mph. Chance of precipitation is 30%.

    High: 93 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 74. Southwest wind 3 to 5 mph.

    Low: 74 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers after 1am. Mostly clear, with a low around 74.

    Low: 74 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 92.

    High: 92 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 66. Chance of precipitation is 70%.

    Low: 66 °F

    Showers
    Likely

Detailed Forecast

Overnight
A 50 percent chance of showers and thunderstorms, mainly before 5am. Mostly cloudy, with a low around 71. Calm wind becoming southeast around 5 mph.
Monday
Showers and thunderstorms, mainly before 3pm. High near 85. South wind 5 to 7 mph. Chance of precipitation is 80%.
Monday Night
Showers and thunderstorms likely before 5am, then a chance of showers. Partly cloudy, with a low around 70. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.
Tuesday
A chance of showers and thunderstorms before 11am, then a slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93. Heat index values as high as 109. Southwest wind 3 to 6 mph. Chance of precipitation is 30%.
Tuesday Night
Mostly clear, with a low around 74. Southwest wind 3 to 5 mph.
Wednesday
Sunny, with a high near 94.
Wednesday Night
A 20 percent chance of showers after 1am. Mostly clear, with a low around 74.
Thursday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 92.
Thursday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 66. Chance of precipitation is 70%.
Friday
A 20 percent chance of showers. Mostly sunny, with a high near 88.
Friday Night
A 20 percent chance of showers. Mostly clear, with a low around 66.
Saturday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Saturday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68.
Sunday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 86.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Festus MO
 38.22°N 90.39°W (Elev. 446 ft)
Last Update:
12:26 am CDT Jun 8, 2026
Forecast Valid:
12am CDT Jun 8, 2026-6pm CDT Jun 14, 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