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.

A Few Clouds with Haze

86°F

30°C

Humidity 77%
Wind Speed SW 8 mph
Barometer 29.93 in (1012.6 mb)
Dewpoint 78°F (26°C)
Visibility 5.00 mi
Heat Index98°F (37°C)
Last update 26 Jul 8:54 am CDT
Extended Forecast for

Pacific MO

Extreme Heat Warning July 26, 11:00am until July 27, 09:00pm
Click here for hazard details and duration
Extreme Heat Warning

  • Today

    Today: Scattered showers and thunderstorms, mainly between 4pm and 5pm. Sunny early, then becoming partly sunny and hot, with a high near 98. Heat index values as high as 115. Calm wind. Chance of precipitation is 30%.

    High: 98 °F

    Sunny then
    Scattered
    T-storms

  • Tonight

    Tonight: Scattered showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 76. Calm wind. Chance of precipitation is 30%.

    Low: 76 °F

    Scattered
    T-storms then
    Partly Cloudy

  • Monday

    Monday: Sunny and hot, with a high near 98. Heat index values as high as 111. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 98 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 77. Light southwest wind.

    Low: 77 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 94. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 94 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 71.

    Low: 71 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

Detailed Forecast

Today
Scattered showers and thunderstorms, mainly between 4pm and 5pm. Sunny early, then becoming partly sunny and hot, with a high near 98. Heat index values as high as 115. Calm wind. Chance of precipitation is 30%.
Tonight
Scattered showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 76. Calm wind. Chance of precipitation is 30%.
Monday
Sunny and hot, with a high near 98. Heat index values as high as 111. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Monday Night
Mostly clear, with a low around 77. Light southwest wind.
Tuesday
Mostly sunny, with a high near 94. Calm wind becoming northwest around 5 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 71.
Wednesday
Sunny, with a high near 89.
Wednesday Night
Mostly clear, with a low around 66.
Thursday
Sunny, with a high near 90.
Thursday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 68.
Friday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 86.
Friday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 67.
Saturday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Pacific MO
 38.48°N 90.78°W (Elev. 486 ft)
Last Update:
8:46 am CDT Jul 26, 2026
Forecast Valid:
9am CDT Jul 26, 2026-6pm CDT Aug 1, 2026
 
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