Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

Current conditions at

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

Lat: 38.66°NLon: 90.66°WElev: 463ft.

A Few Clouds with Haze

91°F

33°C

Humidity 42%
Wind Speed W 13 G 20 mph
Barometer 29.97 in (1014.0 mb)
Dewpoint 65°F (18°C)
Visibility 6.00 mi
Heat Index93°F (34°C)
Last update 19 Sep 11:54 am CDT
Extended Forecast for

2 Miles NW Town and Country MO

Heat Advisory September 19, 12:42pm until September 19, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 19, 12:42pm until September 19, 08:00pm

    NOW until 8:00pm Sat

    Heat Advisory

  • This Afternoon

    High: 98 °F

    Hot

  • Tonight

    Tonight: Partly cloudy, with a low around 74. Calm wind becoming southwest around 6 mph after midnight.

    Low: 74 °F

    Partly Cloudy

  • Sunday

    Sunday: A slight chance of showers between 3pm and 4pm, then a slight chance of showers and thunderstorms after 4pm.  Partly sunny, with a high near 92. West wind 3 to 5 mph.  Chance of precipitation is 20%.

    High: 92 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after midnight.  Mostly cloudy, with a low around 68. North wind 5 to 7 mph becoming northeast after midnight.  Chance of precipitation is 70%.

    Low: 68 °F

    Chance
    T-storms then
    Showers
    Likely

  • Monday

    Monday: Showers likely and possibly a thunderstorm before 7am, then showers likely between 7am and 1pm, then showers likely and possibly a thunderstorm after 1pm.  Mostly cloudy, with a high near 79. Northeast wind 5 to 7 mph.  Chance of precipitation is 60%.

    High: 79 °F

    Showers
    Likely

  • Monday Night

    Monday Night: A 40 percent chance of showers, mainly before 1am.  Mostly cloudy, with a low around 61.

    Low: 61 °F

    Chance
    Showers

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 70.

    High: 70 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 55.

    Low: 55 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Partly sunny and hot, with a high near 98. Heat index values as high as 101. West wind 5 to 7 mph.
Tonight
Partly cloudy, with a low around 74. Calm wind becoming southwest around 6 mph after midnight.
Sunday
A slight chance of showers between 3pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 92. West wind 3 to 5 mph. Chance of precipitation is 20%.
Sunday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 68. North wind 5 to 7 mph becoming northeast after midnight. Chance of precipitation is 70%.
Monday
Showers likely and possibly a thunderstorm before 7am, then showers likely between 7am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 79. Northeast wind 5 to 7 mph. Chance of precipitation is 60%.
Monday Night
A 40 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 61.
Tuesday
Mostly cloudy, with a high near 70.
Tuesday Night
Mostly cloudy, with a low around 55.
Wednesday
Mostly sunny, with a high near 73.
Wednesday Night
Partly cloudy, with a low around 56.
Thursday
Mostly sunny, with a high near 76.
Thursday Night
Mostly cloudy, with a low around 59.
Friday
Partly sunny, with a high near 76.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NW Town and Country MO
 38.65°N 90.51°W (Elev. 597 ft)
11:51 am CDT Sep 19, 2026
12pm CDT Sep 19, 2026-6pm CDT Sep 25, 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