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

Heavy Rain and Flooding Possible in the Southwest U.S, Ohio Valley, and Hawaii

Heavy rainfall is expected to continue through Thursday over New Mexico into far west Texas. Flash flooding and debris flows in wildfire burn areas will be possible. Heavy rain and flash flooding is also expected over the southern Appalachians and Ohio Valley. Tropical Depression 15-E, southeast of Hawaii, is expected to bring heavy rain beginning today to the Big Island and Maui. Read More >

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Overcast

64°F

18°C

Humidity 78%
Wind Speed N 9 mph
Barometer 30.30 in (1025.7 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 23 Sep 9:53 am CDT
Extended Forecast for

Festus MO

  • Today

    Today: Partly sunny, with a high near 73. North wind around 7 mph.

    High: 73 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 55. North wind around 5 mph becoming calm in the evening.

    Low: 55 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 79. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 79 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 56. Calm wind.

    Low: 56 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 80. Light and variable wind.

    High: 80 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 55.

    Low: 55 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 77.

    High: 77 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 55.

    Low: 55 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 82.

    High: 82 °F

    Partly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 73. North wind around 7 mph.
Tonight
Mostly cloudy, with a low around 55. North wind around 5 mph becoming calm in the evening.
Thursday
Partly sunny, with a high near 79. Calm wind becoming northeast around 5 mph in the afternoon.
Thursday Night
Mostly cloudy, with a low around 56. Calm wind.
Friday
Partly sunny, with a high near 80. Light and variable wind.
Friday Night
Mostly cloudy, with a low around 55.
Saturday
Mostly cloudy, with a high near 77.
Saturday Night
Mostly cloudy, with a low around 55.
Sunday
Partly sunny, with a high near 82.
Sunday Night
Partly cloudy, with a low around 57.
Monday
Mostly sunny, with a high near 85.
Monday Night
Partly cloudy, with a low around 60.
Tuesday
A 40 percent chance of showers. Mostly sunny, with a high near 88.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Festus MO
 38.2°N 90.39°W (Elev. 495 ft)
Last Update:
5:31 am CDT Sep 23, 2026
Forecast Valid:
10am CDT Sep 23, 2026-6pm CDT Sep 29, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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