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

77°F

25°C

Humidity 77%
Wind Speed S 6 mph
Barometer 29.85 in (1009.9 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 18 May 6:54 am CDT
Extended Forecast for

Murphy MO

  • Today

    Today: Showers and thunderstorms before noon, then showers and possibly a thunderstorm between noon and 4pm, then showers and thunderstorms likely after 4pm. High near 79. South wind 9 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 90%.

    High: 79 °F

    Showers then
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly after 5am. Mostly cloudy, with a low around 70. South wind 10 to 13 mph, with gusts as high as 28 mph.

    Low: 70 °F

    Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: Showers and thunderstorms likely, then showers and possibly a thunderstorm after noon. High near 86. Southwest wind 8 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 100%.

    High: 86 °F

    Showers
    Likely then
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Low around 57. Northwest wind 6 to 8 mph. Chance of precipitation is 80%.

    Low: 57 °F

    Showers

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 69. North wind 7 to 9 mph.

    High: 69 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 52.

    Low: 52 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 74.

    High: 74 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 57.

    Low: 57 °F

    Mostly Cloudy
    then Chance
    Showers

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 77. Chance of precipitation is 50%.

    High: 77 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Today
Showers and thunderstorms before noon, then showers and possibly a thunderstorm between noon and 4pm, then showers and thunderstorms likely after 4pm. High near 79. South wind 9 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 90%.
Tonight
A 30 percent chance of showers and thunderstorms, mainly after 5am. Mostly cloudy, with a low around 70. South wind 10 to 13 mph, with gusts as high as 28 mph.
Tuesday
Showers and thunderstorms likely, then showers and possibly a thunderstorm after noon. High near 86. Southwest wind 8 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 100%.
Tuesday Night
Showers and possibly a thunderstorm. Low around 57. Northwest wind 6 to 8 mph. Chance of precipitation is 80%.
Wednesday
Mostly cloudy, with a high near 69. North wind 7 to 9 mph.
Wednesday Night
Mostly cloudy, with a low around 52.
Thursday
Partly sunny, with a high near 74.
Thursday Night
A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 57.
Friday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 77. Chance of precipitation is 50%.
Friday Night
A slight chance of showers and thunderstorms, then a chance of showers after 1am. Mostly cloudy, with a low around 60. Chance of precipitation is 40%.
Saturday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 82.
Saturday Night
Partly cloudy, with a low around 61.
Sunday
Mostly sunny, with a high near 87.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Murphy MO
 38.49°N 90.49°W (Elev. 597 ft)
Last Update:
7:26 am CDT May 18, 2026
Forecast Valid:
7am CDT May 18, 2026-6pm CDT May 24, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation