Showers and Thunderstorms With Heavy Rainfall Expected Across the Eastern United States

Showers and thunderstorms, some with local heavy rainfall, are expected across Pennsylvania and northward to New England. These storms will elevate the potential for flash flooding the rest of this weekend. Hot temperatures are expected across the Desert Southwest and Texas. Monsoonal thunderstorms are expected across New Mexico and Arizona. Read More >

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Fair

82°F

28°C

Humidity 58%
Wind Speed W 3 mph
Barometer 29.94 in (1013.6 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 30 Jul 6:53 pm CDT
Extended Forecast for

2 Miles NW Cahokia IL

  • Tonight

    Tonight: Mostly clear, with a low around 69. North wind around 6 mph becoming calm  in the evening.

    Mostly Clear

    Low: 69 °F

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 89. Light and variable wind.

    Mostly Sunny
    then Slight
    Chance
    T-storms

    High: 89 °F

  • Sunday
    Night

    Sunday Night: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 74. Southeast wind 3 to 5 mph.

    Chance
    T-storms

    Low: 74 °F

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms.  Partly sunny, with a high near 90. Southwest wind 3 to 6 mph.

    Chance
    T-storms

    High: 90 °F

  • Monday
    Night

    Monday Night: A 30 percent chance of showers and thunderstorms.  Partly cloudy, with a low around 77. Southeast wind 3 to 5 mph.

    Chance
    T-storms

    Low: 77 °F

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms.  Mostly sunny, with a high near 95.

    Slight Chance
    T-storms

    High: 95 °F

  • Tuesday
    Night

    Tuesday Night: Partly cloudy, with a low around 77.

    Partly Cloudy

    Low: 77 °F

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms.  Mostly sunny, with a high near 96.

    Slight Chance
    T-storms

    High: 96 °F

  • Wednesday
    Night

    Wednesday Night: Partly cloudy, with a low around 76.

    Partly Cloudy

    Low: 76 °F

Detailed Forecast

Tonight
Mostly clear, with a low around 69. North wind around 6 mph becoming calm in the evening.
Sunday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89. Light and variable wind.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 74. Southeast wind 3 to 5 mph.
Monday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 90. Southwest wind 3 to 6 mph.
Monday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 77. Southeast wind 3 to 5 mph.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 95.
Tuesday Night
Partly cloudy, with a low around 77.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 96.
Wednesday Night
Partly cloudy, with a low around 76.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 96.
Thursday Night
Partly cloudy, with a low around 76.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 95.
Friday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 75.
Saturday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.
Click Map For Forecast
Point Forecast:
2 Miles NW Cahokia IL
 38.57°N 90.21°W (Elev. 397 ft)
6:30 pm CDT Jul 30, 2016
7pm CDT Jul 30, 2016-6pm CDT Aug 6, 2016
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database