Showers and Storms continue across the East; Heat, Critical Fire Weather, Drought, and Poor Air Quality continues in the West

A series of fronts will focus locally heavy showers and storms across portions of the central and eastern U.S. through the end of the workweek. Dangerous to extreme heat continues across the Southwest U.S., eventually spreading eastward over the weekend into early next week. Elevated fire weather conditions continue across the Great Basin, with degraded air quality lingering across the Northwest. Read More >

Current conditions at

St. Louis Lambert International Airport (KSTL)

Lat: 38.75°NLon: 90.37°WElev: 604ft.

Partly Cloudy

86°F

30°C

Humidity 48%
Wind Speed SE 5 mph
Barometer 30.00 in (1014.8 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 4 Aug 4:51 pm CDT
Extended Forecast for

Saint Ann MO

  • Tonight

    Tonight: Mostly clear, with a low around 72. Southeast wind around 6 mph.

    Low: 72 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 4pm.  Sunny, with a high near 91. South wind 5 to 9 mph.

    High: 91 °F

    Sunny then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely, mainly after 5am.  Cloudy, then gradually becoming partly cloudy, with a low around 73. Southeast wind 5 to 7 mph becoming light and variable.  Chance of precipitation is 60%.

    Low: 73 °F

    T-storms
    Likely

  • Thursday

    Thursday: Showers and thunderstorms, mainly before 10am.  High near 85. North wind around 5 mph becoming south in the morning.  Chance of precipitation is 80%.

    High: 85 °F

    T-storms then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 40 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 72. Light south wind.

    Low: 72 °F

    Chance
    T-storms

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms.  Partly sunny, with a high near 87.

    High: 87 °F

    Chance
    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms.  Partly cloudy, with a low around 72.

    Low: 72 °F

    Chance
    T-storms

  • Saturday

    Saturday: Mostly sunny, with a high near 90.

    High: 90 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 75.

    Low: 75 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 72. Southeast wind around 6 mph.
Wednesday
A 20 percent chance of showers and thunderstorms after 4pm. Sunny, with a high near 91. South wind 5 to 9 mph.
Wednesday Night
Showers and thunderstorms likely, mainly after 5am. Cloudy, then gradually becoming partly cloudy, with a low around 73. Southeast wind 5 to 7 mph becoming light and variable. Chance of precipitation is 60%.
Thursday
Showers and thunderstorms, mainly before 10am. High near 85. North wind around 5 mph becoming south in the morning. Chance of precipitation is 80%.
Thursday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Light south wind.
Friday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 87.
Friday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72.
Saturday
Mostly sunny, with a high near 90.
Saturday Night
Mostly clear, with a low around 75.
Sunday
Mostly sunny, with a high near 92.
Sunday Night
Mostly clear, with a low around 77.
Monday
Sunny, with a high near 96.
Monday Night
Mostly clear, with a low around 78.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Ann MO
 38.73°N 90.4°W (Elev. 597 ft)
1:26 pm CDT Aug 4, 2026
5pm CDT Aug 4, 2026-6pm CDT Aug 11, 2026
 
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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