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.

Mostly Cloudy

79°F

26°C

Humidity 85%
Wind Speed SW 5 mph
Barometer 29.98 in (1014.4 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 19 Jul 7:54 am CDT
Extended Forecast for

Murphy MO

Extreme Heat Warning July 19, 12:00pm until July 24, 07:00pm
Click here for hazard details and duration
Extreme Heat Warning

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly between 1pm and 3pm. Mostly sunny, with a high near 96. Heat index values as high as 110. Southwest wind 5 to 7 mph becoming west in the afternoon.

    High: 96 °F

    Chance
    T-storms

  • Tonight

    Tonight: Mostly clear, with a low around 77. Southwest wind around 5 mph.

    Low: 77 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny and hot, with a high near 97. Heat index values as high as 110. West wind around 6 mph.

    High: 97 °F

    Hot

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 76. Light west wind.

    Low: 76 °F

    Chance
    T-storms

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94. Southwest wind 3 to 5 mph.

    High: 94 °F

    Slight Chance
    T-storms

  • Monday Night

    Monday Night: Partly cloudy, with a low around 76.

    Low: 76 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 96.

    High: 96 °F

    Sunny

  • Tuesday Night

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

    Low: 77 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 99.

    High: 99 °F

    Hot

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly between 1pm and 3pm. Mostly sunny, with a high near 96. Heat index values as high as 110. Southwest wind 5 to 7 mph becoming west in the afternoon.
Tonight
Mostly clear, with a low around 77. Southwest wind around 5 mph.
Sunday
Mostly sunny and hot, with a high near 97. Heat index values as high as 110. West wind around 6 mph.
Sunday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 76. Light west wind.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94. Southwest wind 3 to 5 mph.
Monday Night
Partly cloudy, with a low around 76.
Tuesday
Sunny, with a high near 96.
Tuesday Night
Mostly clear, with a low around 77.
Wednesday
Sunny and hot, with a high near 99.
Wednesday Night
Mostly clear, with a low around 77.
Thursday
Sunny and hot, with a high near 99.
Thursday Night
Mostly clear, with a low around 77.
Friday
Sunny and hot, with a high near 98.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Murphy MO
 38.49°N 90.49°W (Elev. 597 ft)
Last Update:
4:21 am CDT Jul 19, 2025
Forecast Valid:
8am CDT Jul 19, 2025-6pm CDT Jul 25, 2025
 
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