Heavy Rain and Strong-to-Severe Thunderstorms from the Central Miss. Valley to the Mid-Atlantic

A slow-moving weather system in the eastern U.S. will focus showers and thunderstorms from the mid-Mississippi River Valley to the Mid-Atlantic on Thursday. Abundant moisture will allow occasionally heavy rainfall. Flash Flood Watches are in effect in these areas. Severe thunderstorms with damaging wind gusts and large hail will also be possible in this same area. Read More >

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Fair

73°F

23°C

Humidity 87%
Wind Speed Calm
Barometer 29.87 in (1011.0 mb)
Dewpoint 69°F (21°C)
Visibility 9.00 mi
Last update 28 Jul 2:53 am CDT
Extended Forecast for

3 Miles SSW Pontoon Beach IL

  • Overnight

    Overnight: Isolated showers and thunderstorms.  Patchy fog after 5am.  Otherwise, mostly cloudy, with a low around 72. Calm wind.  Chance of precipitation is 20%.

    Isolated
    T-storms and
    Patchy Fog

    Low: 72 °F

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms, mainly after 10am.  Patchy fog before 9am.  Otherwise, partly sunny, with a high near 88. Calm wind becoming northwest around 6 mph in the morning.

    Chance
    T-storms and
    Patchy Fog

    High: 88 °F

  • Thursday
    Night

    Thursday Night: A 30 percent chance of showers and thunderstorms, mainly before 1am.  Mostly cloudy, with a low around 70. Northwest wind around 6 mph becoming calm  in the evening.

    Chance
    T-storms

    Low: 70 °F

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms.  Partly sunny, with a high near 87. Northwest wind 3 to 6 mph.

    Chance
    T-storms

    High: 87 °F

  • Friday
    Night

    Friday Night: A 40 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 69. North wind around 6 mph becoming calm  in the evening.

    Chance
    T-storms

    Low: 69 °F

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms.  Partly sunny, with a high near 85.

    Chance
    T-storms

    High: 85 °F

  • Saturday
    Night

    Saturday Night: A 30 percent chance of showers and thunderstorms.  Partly cloudy, with a low around 69.

    Chance
    T-storms

    Low: 69 °F

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms.  Mostly sunny, with a high near 87.

    Chance
    T-storms

    High: 87 °F

  • Sunday
    Night

    Sunday Night: A 30 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 72.

    Chance
    T-storms

    Low: 72 °F

Detailed Forecast

Overnight
Isolated showers and thunderstorms. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 72. Calm wind. Chance of precipitation is 20%.
Thursday
A 40 percent chance of showers and thunderstorms, mainly after 10am. Patchy fog before 9am. Otherwise, partly sunny, with a high near 88. Calm wind becoming northwest around 6 mph in the morning.
Thursday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 70. Northwest wind around 6 mph becoming calm in the evening.
Friday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 87. Northwest wind 3 to 6 mph.
Friday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69. North wind around 6 mph becoming calm in the evening.
Saturday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 85.
Saturday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69.
Sunday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.
Sunday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72.
Monday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 88.
Monday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.
Tuesday Night
Partly cloudy, with a low around 74.
Wednesday
Mostly sunny, with a high near 93.
Click Map For Forecast
Point Forecast:
3 Miles SSW Pontoon Beach IL
 38.68°N 90.09°W (Elev. 404 ft)
3:00 am CDT Jul 28, 2016
3am CDT Jul 28, 2016-6pm CDT Aug 3, 2016
 
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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