Excessive Heat Continues for Washington State; Flooding Impacts Expected in the Southwest U.S.

Excessive heat will continue over central Washington through Friday with afternoon temperatures into the triple digits. In the Desert Southwest, monsoon activity will continue to generate localized flooding impacts in arroyos, slot canyons, and urban areas, as well as rapid rises on rivers, through this weekend. Flood Watches are widespread across Arizona and New Mexico for Friday and Saturday. Read More >

Current conditions at

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

Lat: 38.66°NLon: 90.66°WElev: 463ft.

Fair

77°F

25°C

Humidity 56%
Wind Speed N 3 mph
Barometer 30.04 in (1016.7 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 17 Aug 7:54 pm CDT
Extended Forecast for

Chesterfield MO

  • Tonight

    Tonight: Patchy fog after 3am.  Otherwise, mostly clear, with a low around 61. Calm wind.

    Clear then
    Patchy Fog

    Low: 61 °F

  • Thursday

    Thursday: Patchy fog before 9am.  Otherwise, sunny, with a high near 84. Calm wind.

    Patchy Fog
    then Mostly
    Sunny

    High: 84 °F

  • Thursday
    Night

    Thursday Night: Mostly clear, with a low around 64. Calm wind becoming south around 5 mph.

    Mostly Clear

    Low: 64 °F

  • Friday

    Friday: Sunny, with a high near 86. Light south wind.

    Sunny

    High: 86 °F

  • Friday
    Night

    Friday Night: A slight chance of showers between 1am and 4am, then a slight chance of showers and thunderstorms after 4am.  Partly cloudy, with a low around 66. Southeast wind 3 to 5 mph.  Chance of precipitation is 20%.

    Mostly Clear
    then Slight
    Chance
    T-storms

    Low: 66 °F

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms, mainly after 1pm.  Mostly sunny, with a high near 86.

    Slight Chance
    T-storms then
    Chance
    T-storms

    High: 86 °F

  • Saturday
    Night

    Saturday Night: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 67.

    Chance
    T-storms

    Low: 67 °F

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 1pm.  Mostly sunny, with a high near 83. Chance of precipitation is 40%.

    Chance
    Showers

    High: 83 °F

  • Sunday
    Night

    Sunday Night: A 20 percent chance of showers before 1am.  Partly cloudy, with a low around 66.

    Slight Chance
    Showers

    Low: 66 °F

Detailed Forecast

Tonight
Patchy fog after 3am. Otherwise, mostly clear, with a low around 61. Calm wind.
Thursday
Patchy fog before 9am. Otherwise, sunny, with a high near 84. Calm wind.
Thursday Night
Mostly clear, with a low around 64. Calm wind becoming south around 5 mph.
Friday
Sunny, with a high near 86. Light south wind.
Friday Night
A slight chance of showers between 1am and 4am, then a slight chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 66. Southeast wind 3 to 5 mph. Chance of precipitation is 20%.
Saturday
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 86.
Saturday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67.
Sunday
A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 83. Chance of precipitation is 40%.
Sunday Night
A 20 percent chance of showers before 1am. Partly cloudy, with a low around 66.
Monday
A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 83. Chance of precipitation is 20%.
Monday Night
Partly cloudy, with a low around 66.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84.
Tuesday Night
Mostly clear, with a low around 66.
Wednesday
A 20 percent chance of showers. Sunny, with a high near 85.
Click Map For Forecast
Point Forecast:
Chesterfield MO
 38.65°N 90.57°W (Elev. 512 ft)
7:10 pm CDT Aug 17, 2022
8pm CDT Aug 17, 2022-6pm CDT Aug 24, 2022
 
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