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 with Haze

82°F

28°C

Humidity 79%
Wind Speed S 13 G 23 mph
Barometer 29.91 in (1011.8 mb)
Dewpoint 75°F (24°C)
Visibility 6.00 mi
Heat Index89°F (32°C)
Last update 27 Jul 7:54 am CDT
Extended Forecast for

2 Miles NNE Hillsboro MO

Extreme Heat Warning July 27, 09:28am until July 27, 09:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning July 27, 09:28am until July 27, 09:00pm

    NOW until 9:00pm Mon

    Extreme Heat Warning

  • Today

    High: 99 °F

    Hot

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 78. Light southwest wind.

    Low: 78 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 93. Heat index values as high as 103. Light and variable wind becoming northwest around 5 mph in the morning.

    High: 93 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 70. North wind around 5 mph becoming calm in the evening.

    Low: 70 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 88. Light east wind.

    High: 88 °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 89.

    High: 89 °F

    Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 68.

    Low: 68 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

Detailed Forecast

Today
Sunny and hot, with a high near 99. Heat index values as high as 110. South wind 5 to 8 mph becoming light and variable.
Tonight
A 20 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 78. Light southwest wind.
Tuesday
Mostly sunny, with a high near 93. Heat index values as high as 103. Light and variable wind becoming northwest around 5 mph in the morning.
Tuesday Night
Partly cloudy, with a low around 70. North wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 88. Light east wind.
Wednesday Night
Mostly clear, with a low around 66.
Thursday
Sunny, with a high near 89.
Thursday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 68.
Friday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 85. Chance of precipitation is 50%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Chance of precipitation is 50%.
Saturday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 83.
Saturday Night
A 20 percent chance of showers. Partly cloudy, with a low around 65.
Sunday
Sunny, with a high near 85.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNE Hillsboro MO
 38.27°N 90.56°W (Elev. 715 ft)
Last Update:
9:21 am CDT Jul 27, 2026
Forecast Valid:
9am CDT Jul 27, 2026-6pm CDT Aug 2, 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