Areas of Dangerous Heat and Severe Thunderstorms

Dangerous heat will build across the Southwest U.S. through the end of the week with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week before returning over much of the Plains into next week. Severe thunderstorms are expected across parts of the central and southern High Plains, central Great Lakes, and Ozarks Wednesday. Read More >

Current conditions at

St. Louis Lambert International Airport (KSTL)

Lat: 38.75°NLon: 90.37°WElev: 604ft.

Mostly Cloudy

76°F

24°C

Humidity 74%
Wind Speed SE 6 mph
Barometer 30.01 in (1014.8 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 26 Aug 1:51 am CDT
Extended Forecast for

2 Miles WSW Saint Ann MO

  • Overnight

    Overnight: Mostly cloudy, with a low around 71. Light southeast wind.

    Low: 71 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, then gradually becoming sunny, with a high near 93. Light and variable wind becoming west 5 to 8 mph in the morning.

    High: 93 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 68. West wind 5 to 7 mph becoming calm  after midnight.

    Low: 68 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 88. North wind 3 to 8 mph.

    High: 88 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 65. North wind 5 to 7 mph becoming calm  in the evening.

    Low: 65 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 65.

    Low: 65 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 69.

    Low: 69 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 71. Light southeast wind.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a high near 93. Light and variable wind becoming west 5 to 8 mph in the morning.
Wednesday Night
Mostly clear, with a low around 68. West wind 5 to 7 mph becoming calm after midnight.
Thursday
Sunny, with a high near 88. North wind 3 to 8 mph.
Thursday Night
Mostly clear, with a low around 65. North wind 5 to 7 mph becoming calm in the evening.
Friday
Sunny, with a high near 86.
Friday Night
Mostly clear, with a low around 65.
Saturday
Sunny, with a high near 89.
Saturday Night
Partly cloudy, with a low around 69.
Sunday
Sunny, with a high near 95.
Sunday Night
Mostly clear, with a low around 75.
Monday
Mostly sunny and hot, with a high near 97.
Monday Night
Partly cloudy, with a low around 77.
Tuesday
Mostly sunny, with a high near 96.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Saint Ann MO
 38.71°N 90.43°W (Elev. 518 ft)
1:26 am CDT Aug 26, 2026
2am CDT Aug 26, 2026-6pm CDT Sep 1, 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