Cooler Temperatures from the Great Plains to the East Coast Through Early This Week

High pressure brings cooler temperatures from the Great Plains to the East Coast through early this week. Widely scattered showers in the eastern Great Lakes, Appalachians, and Northeast are possible Sunday and Monday. Pacific storms early in the week will bring moderate to heavy rain to the Pacific Northwest and southeastern Alaska. Read More >

Current conditions at

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

Lat: 38.66°NLon: 90.66°WElev: 463ft.

Overcast

54°F

12°C

Humidity 87%
Wind Speed NW 7 mph
Barometer 30.04 in (1017.1 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Wind Chill52°F (11°C)
Last update 14 Oct 7:54 pm CDT
Extended Forecast for

O'Fallon MO

  • Tonight

    Tonight: Scattered sprinkles.  Cloudy, with a low around 47. North wind 8 to 11 mph, with gusts as high as 21 mph.

    Scattered
    Sprinkles

    Low: 47 °F

  • Sunday

    Sunday: Scattered sprinkles.  Mostly cloudy, with a high near 57. North wind 11 to 14 mph, with gusts as high as 22 mph.

    Scattered
    Sprinkles

    High: 57 °F

  • Sunday
    Night

    Sunday Night: Mostly cloudy, with a low around 42. Northwest wind 9 to 11 mph.

    Mostly Cloudy

    Low: 42 °F

  • Monday

    Monday: Sunny, with a high near 61. Northwest wind 9 to 13 mph.

    Sunny

    High: 61 °F

  • Monday
    Night

    Monday Night: Mostly clear, with a low around 39. North wind around 6 mph becoming calm  after midnight.

    Mostly Clear

    Low: 39 °F

  • Tuesday

    Tuesday: Sunny, with a high near 64.

    Sunny

    High: 64 °F

  • Tuesday
    Night

    Tuesday Night: Mostly clear, with a low around 44.

    Mostly Clear

    Low: 44 °F

  • Wednesday

    Wednesday: Mostly sunny, with a high near 70.

    Mostly Sunny

    High: 70 °F

  • Wednesday
    Night

    Wednesday Night: A 40 percent chance of showers.  Mostly cloudy, with a low around 51.

    Chance
    Showers

    Low: 51 °F

Detailed Forecast

Tonight
Scattered sprinkles. Cloudy, with a low around 47. North wind 8 to 11 mph, with gusts as high as 21 mph.
Sunday
Scattered sprinkles. Mostly cloudy, with a high near 57. North wind 11 to 14 mph, with gusts as high as 22 mph.
Sunday Night
Mostly cloudy, with a low around 42. Northwest wind 9 to 11 mph.
Monday
Sunny, with a high near 61. Northwest wind 9 to 13 mph.
Monday Night
Mostly clear, with a low around 39. North wind around 6 mph becoming calm after midnight.
Tuesday
Sunny, with a high near 64.
Tuesday Night
Mostly clear, with a low around 44.
Wednesday
Mostly sunny, with a high near 70.
Wednesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 51.
Thursday
A 30 percent chance of showers, mainly after 1pm. Partly sunny, with a high near 66.
Thursday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 48.
Friday
Mostly sunny, with a high near 65.
Friday Night
Mostly clear, with a low around 46.
Saturday
Sunny, with a high near 67.
Click Map For Forecast
Point Forecast:
O'Fallon MO
 38.79°N 90.71°W (Elev. 535 ft)
8:37 pm CDT Oct 14, 2023
8pm CDT Oct 14, 2023-6pm CDT Oct 21, 2023
 
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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