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

St. Louis Lambert International Airport (KSTL)

Lat: 38.75°NLon: 90.37°WElev: 604ft.

Mostly Cloudy

70°F

21°C

Humidity 71%
Wind Speed NE 3 mph
Barometer 30.07 in (1017.4 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 4 Aug 1:51 am CDT
Extended Forecast for

Rock Hill MO

  • Overnight

    Overnight: Mostly cloudy, with a low around 65. Light north wind.

    Low: 65 °F

    Mostly Cloudy

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 84. North wind 3 to 6 mph.

    High: 84 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 68. North wind 5 to 7 mph becoming calm after midnight.

    Low: 68 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 1pm. Patchy fog before 7am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 86. Calm wind becoming east around 5 mph in the afternoon.

    High: 86 °F

    Patchy Fog
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 69. East wind around 5 mph becoming calm in the evening.

    Low: 69 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 70.

    Low: 70 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 71.

    Low: 71 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 65. Light north wind.
Monday
A 20 percent chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 84. North wind 3 to 6 mph.
Monday Night
Mostly cloudy, with a low around 68. North wind 5 to 7 mph becoming calm after midnight.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Patchy fog before 7am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 86. Calm wind becoming east around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 69. East wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 88.
Wednesday Night
Mostly clear, with a low around 70.
Thursday
Sunny, with a high near 90.
Thursday Night
Mostly clear, with a low around 71.
Friday
Sunny, with a high near 91.
Friday Night
Mostly clear, with a low around 73.
Saturday
Sunny, with a high near 93.
Saturday Night
Mostly clear, with a low around 74.
Sunday
Sunny, with a high near 94.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Rock Hill MO
 38.6°N 90.37°W (Elev. 509 ft)
Last Update:
10:21 pm CDT Aug 3, 2025
Forecast Valid:
1am CDT Aug 4, 2025-6pm CDT Aug 10, 2025
 
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