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

Hazardous Weather Conditions

Current conditions at

St. Louis, Spirit Of St. Louis Airport (KSUS)

Lat: 38.66°NLon: 90.66°WElev: 463ft.

Thunderstorm in Vicinity Rain Fog/Mist

70°F

21°C

Humidity 90%
Wind Speed N 9 mph
Barometer 30.04 in (1016.6 mb)
Dewpoint 67°F (19°C)
Visibility 3.00 mi
Last update 25 Jul 2:54 am CDT
Extended Forecast for

Josephville MO

Heat Advisory July 26, 11:00am until July 27, 09:00pm
Click here for hazard details and duration
Heat Advisory

  • Overnight

    Overnight: A 50 percent chance of showers and thunderstorms. Cloudy, with a low around 69. South wind around 5 mph.

    Low: 69 °F

    Chance
    Showers

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms, mainly before 10am. Mostly cloudy, with a high near 88. Heat index values as high as 102. South wind around 5 mph becoming calm in the afternoon.

    High: 88 °F

    Chance
    Showers then
    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 73. Calm wind.

    Low: 73 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 95. Heat index values as high as 109. Calm wind.

    High: 95 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 76. Calm wind becoming southwest around 5 mph after midnight.

    Low: 76 °F

    Partly Cloudy

  • Monday

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

    High: 97 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 77.

    Low: 77 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 93.

    High: 93 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 71.

    Low: 71 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 50 percent chance of showers and thunderstorms. Cloudy, with a low around 69. South wind around 5 mph.
Saturday
A 30 percent chance of showers and thunderstorms, mainly before 10am. Mostly cloudy, with a high near 88. Heat index values as high as 102. South wind around 5 mph becoming calm in the afternoon.
Saturday Night
Partly cloudy, with a low around 73. Calm wind.
Sunday
Mostly sunny, with a high near 95. Heat index values as high as 109. Calm wind.
Sunday Night
Partly cloudy, with a low around 76. Calm wind becoming southwest around 5 mph after midnight.
Monday
Sunny and hot, with a high near 97.
Monday Night
Mostly clear, with a low around 77.
Tuesday
Sunny, with a high near 93.
Tuesday Night
Partly cloudy, with a low around 71.
Wednesday
Sunny, with a high near 91.
Wednesday Night
Mostly clear, with a low around 70.
Thursday
Mostly sunny, with a high near 91.
Thursday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Josephville MO
 38.83°N 90.79°W (Elev. 597 ft)
Last Update:
1:26 am CDT Jul 25, 2026
Forecast Valid:
3am CDT Jul 25, 2026-6pm CDT Jul 31, 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