Severe Weather and Heavy Rainfall from the Midwest to the Ohio Valley; Mid-Summer Heat Continues

Severe thunderstorm and heavy rainfall threats will persist from the Midwest to Lower Great Lakes through Monday, shifting into the Ohio Valley and Central Appalachians Monday evening into Tuesday. Mid-summer heat will continue across much of the CONUS this week, with record highs possible well into the 100s across the south-central High Plains. Read More >

Current conditions at

St. Louis Lambert International Airport (KSTL)

Lat: 38.75°NLon: 90.37°WElev: 604ft.

Fair

87°F

31°C

Humidity 63%
Wind Speed S 12 mph
Barometer 29.93 in (1012.0 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index94°F (34°C)
Last update 9 Aug 8:51 pm CDT
Extended Forecast for

Ferguson MO

Extreme Heat Warning August 9, 09:59pm until August 12, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning August 9, 09:59pm until August 12, 08:00pm

    NOW until 8:00pm Wed

    Extreme Heat Warning

  • Tonight

    Low: 78 °F

    Mostly Clear

  • Monday

    Monday: Mostly cloudy, then gradually becoming sunny and hot, with a high near 97. Heat index values as high as 107. Southwest wind 7 to 11 mph.

    High: 97 °F

    Hot

  • Monday Night

    Monday Night: Partly cloudy, with a low around 80. South wind 7 to 9 mph.

    Low: 80 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, then gradually becoming sunny and hot, with a high near 97. Heat index values as high as 107. Southwest wind 7 to 9 mph.

    High: 97 °F

    Hot

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 79. Southwest wind 6 to 8 mph.

    Low: 79 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms before 1pm.  Mostly sunny, with a high near 94.

    High: 94 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms, mainly after 1am.  Partly cloudy, with a low around 76.

    Low: 76 °F

    Chance
    T-storms

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm.  Partly sunny, with a high near 88. Chance of precipitation is 60%.

    High: 88 °F

    Showers
    Likely

Detailed Forecast

Tonight
Mostly clear, with a low around 78. South wind 7 to 11 mph.
Monday
Mostly cloudy, then gradually becoming sunny and hot, with a high near 97. Heat index values as high as 107. Southwest wind 7 to 11 mph.
Monday Night
Partly cloudy, with a low around 80. South wind 7 to 9 mph.
Tuesday
Mostly cloudy, then gradually becoming sunny and hot, with a high near 97. Heat index values as high as 107. Southwest wind 7 to 9 mph.
Tuesday Night
Partly cloudy, with a low around 79. Southwest wind 6 to 8 mph.
Wednesday
A 30 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 94.
Wednesday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 76.
Thursday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 88. Chance of precipitation is 60%.
Thursday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 72. Chance of precipitation is 60%.
Friday
A 40 percent chance of showers and thunderstorms before 1pm. Mostly cloudy, with a high near 86.
Friday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 73.
Saturday
A 40 percent chance of showers. Partly sunny, with a high near 88.
Saturday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74.
Sunday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 87.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Ferguson MO
 38.75°N 90.28°W (Elev. 502 ft)
9:06 pm CDT Aug 9, 2026
9pm CDT Aug 9, 2026-6pm CDT Aug 16, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database