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Severe Thunderstorms and Heavy Rain in Upper Midwest

A slow moving frontal boundary from the central Pains to the Upper Midwest will bring a potential for severe thunderstorms and heavy rain. Rain amounts of 1-3 inches, with locally heavier amounts can be expected. The threat of severe weather moves into the Ohio Valley and Northeast on Tuesday. Monsoon moisture continues to bring the threat of flash flooding to the Southwest and southern Rockies. Read More >

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Fair

76°F

24°C

Humidity 85%
Wind Speed S 3 mph
Barometer 30.05 in (1017.2 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 21 Aug 2:53 am CDT
Extended Forecast for

2 Miles S Festus MO

  • Overnight

    Overnight: Partly cloudy, with a low around 74. South wind 3 to 5 mph.

    Partly Cloudy

    Low: 74 °F

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms, mainly after 3pm.  Mostly sunny, with a high near 90. Calm wind becoming southwest around 5 mph in the afternoon.

    Mostly Sunny
    then Chance
    T-storms

    High: 90 °F

  • Monday
    Night

    Monday Night: A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 75. South wind around 5 mph.  Chance of precipitation is 30%.

    Chance
    T-storms

    Low: 75 °F

  • Tuesday

    Tuesday: Showers and thunderstorms likely, mainly before 1pm.  Mostly cloudy, with a high near 84. Southwest wind 5 to 7 mph.  Chance of precipitation is 60%.

    T-storms
    Likely

    High: 84 °F

  • Tuesday
    Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms before 1am.  Partly cloudy, with a low around 62. North wind 3 to 6 mph.

    Slight Chance
    T-storms

    Low: 62 °F

  • Wednesday

    Wednesday: Sunny, with a high near 81.

    Sunny

    High: 81 °F

  • Wednesday
    Night

    Wednesday Night: Mostly clear, with a low around 57.

    Mostly Clear

    Low: 57 °F

  • Thursday

    Thursday: Sunny, with a high near 80.

    Sunny

    High: 80 °F

  • Thursday
    Night

    Thursday Night: Mostly clear, with a low around 56.

    Mostly Clear

    Low: 56 °F

Detailed Forecast

Overnight
Partly cloudy, with a low around 74. South wind 3 to 5 mph.
Monday
A 30 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 90. Calm wind becoming southwest around 5 mph in the afternoon.
Monday Night
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 75. South wind around 5 mph. Chance of precipitation is 30%.
Tuesday
Showers and thunderstorms likely, mainly before 1pm. Mostly cloudy, with a high near 84. Southwest wind 5 to 7 mph. Chance of precipitation is 60%.
Tuesday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 62. North wind 3 to 6 mph.
Wednesday
Sunny, with a high near 81.
Wednesday Night
Mostly clear, with a low around 57.
Thursday
Sunny, with a high near 80.
Thursday Night
Mostly clear, with a low around 56.
Friday
Sunny, with a high near 81.
Friday Night
Partly cloudy, with a low around 58.
Saturday
Mostly sunny, with a high near 82.
Saturday Night
Partly cloudy, with a low around 60.
Sunday
Mostly sunny, with a high near 83.
Click Map For Forecast
Point Forecast:
2 Miles S Festus MO
 38.2°N 90.39°W (Elev. 495 ft)
12:56 am CDT Aug 21, 2017
3am CDT Aug 21, 2017-6pm CDT Aug 27, 2017
 
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