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

Western Heat Wave Continues; Watching the Gulf of Mexico

A dangerous heat wave will continue to bring record temperatures to much of the West through this week. A tropical disturbance in the southwest Gulf of Mexico will likely form into a tropical depression late this week over the central or northwestern Gulf of Mexico. Heavy rain could begin to impact portions of the northern Gulf Coast on Friday. Read More >

Hazardous Weather Conditions

Current conditions at

Washington Regional Airport (KFYG)

Lat: 38.59°NLon: 90.99°WElev: 489ft.

Fair

88°F

31°C

Humidity 38%
Wind Speed Calm
Barometer 30.01 in
Dewpoint 59°F (15°C)
Visibility 9.00 mi
Heat Index87°F (31°C)
Last update 16 Jun 4:15 pm CDT
Extended Forecast for

Saint Clair MO

  • Tonight

    Tonight: Mostly clear, with a low around 62. Light and variable wind.

    Mostly Clear

    Low: 62 °F

  • Thursday

    Thursday: Partly sunny, then gradually becoming sunny, with a high near 94. Southwest wind 3 to 7 mph.

    Becoming
    Sunny

    High: 94 °F

  • Thursday
    Night

    Thursday Night: Mostly clear, with a low around 74. South wind 5 to 7 mph.

    Mostly Clear

    Low: 74 °F

  • Friday

    Friday: Sunny and hot, with a high near 99. Southwest wind 7 to 9 mph, with gusts as high as 20 mph.

    Hot

    High: 99 °F

  • Friday
    Night

    Friday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 73. Southwest wind around 6 mph.

    Chance
    T-storms

    Low: 73 °F

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.

    Slight Chance
    T-storms

    High: 93 °F

  • Saturday
    Night

    Saturday Night: Partly cloudy, with a low around 70.

    Partly Cloudy

    Low: 70 °F

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91.

    Mostly Sunny
    then Slight
    Chance
    T-storms

    High: 91 °F

  • Sunday
    Night

    Sunday Night: A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 69.

    Chance
    T-storms

    Low: 69 °F

Detailed Forecast

Tonight
Mostly clear, with a low around 62. Light and variable wind.
Thursday
Partly sunny, then gradually becoming sunny, with a high near 94. Southwest wind 3 to 7 mph.
Thursday Night
Mostly clear, with a low around 74. South wind 5 to 7 mph.
Friday
Sunny and hot, with a high near 99. Southwest wind 7 to 9 mph, with gusts as high as 20 mph.
Friday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 73. Southwest wind around 6 mph.
Saturday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.
Saturday Night
Partly cloudy, with a low around 70.
Sunday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91.
Sunday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 69.
Monday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 80.
Monday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 56.
Tuesday
Sunny, with a high near 78.
Tuesday Night
Mostly clear, with a low around 56.
Wednesday
Sunny, with a high near 83.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Saint Clair MO
 38.35°N 90.98°W (Elev. 715 ft)
Last Update:
2:28 pm CDT Jun 16, 2021
Forecast Valid:
4pm CDT Jun 16, 2021-6pm CDT Jun 23, 2021
 
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