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

Hazardous Weather Conditions

Current conditions at

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

Lat: 38.66°NLon: 90.66°WElev: 463ft.

Fair

79°F

26°C

Humidity 82%
Wind Speed S 3 mph
Barometer 30.13 in (1019.5 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 23 Jun 6:54 am CDT
Extended Forecast for

Robertsville MO

Heat Advisory June 23, 07:23am until June 24, 09:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory June 23, 07:23am until June 24, 09:00pm

    NOW until 9:00pm Tue

    Heat Advisory

  • Today

    High: 95 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 72. Light south wind.

    Low: 72 °F

    Mostly Clear

  • Tuesday

    Tuesday: A slight chance of showers, with thunderstorms also possible after 4pm. Mostly sunny, with a high near 93. Heat index values as high as 102. Calm wind becoming west around 5 mph. Chance of precipitation is 20%.

    High: 93 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 73. Calm wind.

    Low: 73 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 93. Light southwest wind. Chance of precipitation is 20%.

    High: 93 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 74.

    Low: 74 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 96.

    High: 96 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 73.

    Low: 73 °F

    Mostly Clear

Detailed Forecast

Today
Sunny, with a high near 95. Heat index values as high as 103. Calm wind becoming southwest 5 to 7 mph in the morning.
Tonight
Mostly clear, with a low around 72. Light south wind.
Tuesday
A slight chance of showers, with thunderstorms also possible after 4pm. Mostly sunny, with a high near 93. Heat index values as high as 102. Calm wind becoming west around 5 mph. Chance of precipitation is 20%.
Tuesday Night
Partly cloudy, with a low around 73. Calm wind.
Wednesday
A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 93. Light southwest wind. Chance of precipitation is 20%.
Wednesday Night
Partly cloudy, with a low around 74.
Thursday
Sunny, with a high near 96.
Thursday Night
Mostly clear, with a low around 73.
Friday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 94.
Friday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 73.
Saturday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94.
Saturday Night
Partly cloudy, with a low around 73.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Robertsville MO
 38.41°N 90.81°W (Elev. 499 ft)
Last Update:
6:21 am CDT Jun 23, 2025
Forecast Valid:
7am CDT Jun 23, 2025-6pm CDT Jun 29, 2025
 
Forecast Discussion
 
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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation