Current conditions at

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

Lat: 38.66°NLon: 90.66°WElev: 463ft.

Fair with Haze

83°F

28°C

Humidity 55%
Wind Speed NE 7 mph
Barometer 30.20 in (1021.9 mb)
Dewpoint 65°F (18°C)
Visibility 6.00 mi
Heat Index85°F (29°C)
Last update 13 Jul 10:54 am CDT
Extended Forecast for

Saint Peters MO

  • Today

    Today: Sunny, with a high near 87. Northeast wind 6 to 9 mph.

    High: 87 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 68. Northeast wind around 6 mph becoming calm  in the evening.

    Low: 68 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 90. Calm wind becoming northeast around 6 mph in the afternoon.

    High: 90 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 72. Northeast wind around 5 mph becoming calm  in the evening.

    Low: 72 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 91. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 91 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 73.

    Low: 73 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 75.

    Low: 75 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 93.

    High: 93 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 87. Northeast wind 6 to 9 mph.
Tonight
Clear, with a low around 68. Northeast wind around 6 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 90. Calm wind becoming northeast around 6 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 72. Northeast wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 91. Calm wind becoming northeast around 5 mph in the afternoon.
Wednesday Night
Clear, with a low around 73.
Thursday
Sunny, with a high near 92.
Thursday Night
Mostly clear, with a low around 75.
Friday
Sunny, with a high near 93.
Friday Night
Mostly clear, with a low around 76.
Saturday
Sunny, with a high near 94.
Saturday Night
A 20 percent chance of showers. Mostly clear, with a low around 75.
Sunday
Sunny, with a high near 93.
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Peters MO
 38.78°N 90.59°W (Elev. 492 ft)
8:26 am CDT Jul 13, 2026
11am CDT Jul 13, 2026-6pm CDT Jul 19, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database