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Heavy Rain and Potential for Flash Flooding for Mid-Atlantic

An unseasonably strong storm system will bring heavy rain to the Mid-Atlantic and central Appalachians Friday into Saturday. Flash flooding and widespread lowland flooding are possible during this period. Meanwhile, monsoon moisture will continue to produce heavy rain with the possibility of localized flash flooding in the Desert Southwest through the southern/central Rockies and High Plains. Read More >

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Fair

79°F

26°C

Humidity 65%
Wind Speed N 10 mph
Barometer 29.92 in (1012.9 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 28 Jul 9:53 am CDT
Extended Forecast for

O'Fallon IL

  • Today

    Today: Mostly sunny, with a high near 84. North wind 8 to 13 mph.

    Mostly Sunny

    High: 84 °F

  • Tonight

    Tonight: Mostly clear, with a low around 62. North wind 6 to 9 mph.

    Mostly Clear

    Low: 62 °F

  • Saturday

    Saturday: Sunny, with a high near 81. Northeast wind 6 to 8 mph.

    Sunny

    High: 81 °F

  • Saturday
    Night

    Saturday Night: Mostly clear, with a low around 59. North wind 3 to 7 mph.

    Mostly Clear

    Low: 59 °F

  • Sunday

    Sunday: Sunny, with a high near 83. Northeast wind 3 to 7 mph.

    Sunny

    High: 83 °F

  • Sunday
    Night

    Sunday Night: Mostly clear, with a low around 60.

    Mostly Clear

    Low: 60 °F

  • Monday

    Monday: Sunny, with a high near 86.

    Sunny

    High: 86 °F

  • Monday
    Night

    Monday Night: Mostly clear, with a low around 63.

    Mostly Clear

    Low: 63 °F

  • Tuesday

    Tuesday: Sunny, with a high near 87.

    Sunny

    High: 87 °F

Detailed Forecast

Today
Mostly sunny, with a high near 84. North wind 8 to 13 mph.
Tonight
Mostly clear, with a low around 62. North wind 6 to 9 mph.
Saturday
Sunny, with a high near 81. Northeast wind 6 to 8 mph.
Saturday Night
Mostly clear, with a low around 59. North wind 3 to 7 mph.
Sunday
Sunny, with a high near 83. Northeast wind 3 to 7 mph.
Sunday Night
Mostly clear, with a low around 60.
Monday
Sunny, with a high near 86.
Monday Night
Mostly clear, with a low around 63.
Tuesday
Sunny, with a high near 87.
Tuesday Night
Mostly clear, with a low around 66.
Wednesday
Mostly sunny, with a high near 89.
Wednesday Night
Partly cloudy, with a low around 68.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.
Click Map For Forecast
Point Forecast:
O'Fallon IL
 38.59°N 89.92°W (Elev. 551 ft)
9:41 am CDT Jul 28, 2017
10am CDT Jul 28, 2017-6pm CDT Aug 3, 2017
 
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