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

Tropical Storm Edouard to Impact the Northwest Gulf Coast; Heat Expands Eastward

Tropical Storm Edouard will bring tropical storm to hurricane conditions, heavy rainfall, flash and some river flooding, and storm surge to portions of Upper Texas and southwestern Louisiana coasts into Wednesday. Severe thunderstorms are possible in the Central Plains and Mid-Atlantic. Hot and humid conditions will expand from the Central Plains into the Ohio Valley and Mid-Atlantic. Read More >

Hazardous Weather Conditions

Current conditions at

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

Lat: 38.66°NLon: 90.66°WElev: 463ft.

Fair

96°F

36°C

Humidity 44%
Wind Speed S 3 mph
Barometer 30.01 in (1015.1 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index103°F (39°C)
Last update 1 Sep 1:54 pm CDT
Extended Forecast for

Manchester MO

Heat Advisory September 1, 02:52pm until September 5, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 1, 02:52pm until September 5, 08:00pm

    NOW until 8:00pm Sat

    Heat Advisory

  • This Afternoon

    High: 99 °F

    Hot

  • Tonight

    Tonight: Clear, with a low around 78. Light and variable wind becoming south around 5 mph in the evening.

    Low: 78 °F

    Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 97. Heat index values as high as 102. Southwest wind around 6 mph.

    High: 97 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 79. South wind around 6 mph.

    Low: 79 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 99. Southwest wind 3 to 6 mph.

    High: 99 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 80.

    Low: 80 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 99.

    High: 99 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 77.

    Low: 77 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 99. Heat index values as high as 105. Southwest wind 3 to 5 mph.
Tonight
Clear, with a low around 78. Light and variable wind becoming south around 5 mph in the evening.
Wednesday
Sunny and hot, with a high near 97. Heat index values as high as 102. Southwest wind around 6 mph.
Wednesday Night
Mostly clear, with a low around 79. South wind around 6 mph.
Thursday
Sunny and hot, with a high near 99. Southwest wind 3 to 6 mph.
Thursday Night
Mostly clear, with a low around 80.
Friday
Sunny and hot, with a high near 99.
Friday Night
Mostly clear, with a low around 77.
Saturday
Mostly sunny and hot, with a high near 98.
Saturday Night
Partly cloudy, with a low around 76.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 95.
Sunday Night
Partly cloudy, with a low around 73.
Labor Day
Mostly sunny, with a high near 92.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Manchester MO
 38.6°N 90.52°W (Elev. 597 ft)
Last Update:
2:31 pm CDT Sep 1, 2026
Forecast Valid:
2pm CDT Sep 1, 2026-6pm CDT Sep 7, 2026
 
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