Summer Heat Continues; Severe Weather For Northeast

A large ridge of high pressure continues to deliver summer heat w/ humidity in several sections of the country. Excessive heat warnings and heat advisories are in effect across the Desert Southwest, southern Plains, Lower Mississippi Valley and a small part of the Mid-Atlantic. Meanwhile, severe thunderstorms are in the forecast for the Northeast into the northern Mid-Atlantic for damaging winds. Read More >

Hazardous Weather Conditions

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Fair

70°F

21°C

Humidity 93%
Wind Speed Calm
Barometer 30.00 in (1015.5 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 20 Aug 11:53 pm CDT
Extended Forecast for

Belleville IL

  • Overnight

    Overnight: Partly cloudy, with a low around 69. Calm wind becoming southwest around 5 mph.

    Partly Cloudy

    Low: 69 °F

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly between 1pm and 2pm.  Partly sunny, with a high near 89. Light and variable wind becoming west 5 to 10 mph in the morning. Winds could gust as high as 20 mph.  Chance of precipitation is 60%.

    Chance
    T-storms then
    T-storms
    Likely

    High: 89 °F

  • Wednesday
    Night

    Wednesday Night: Showers and thunderstorms likely before 2am, then showers likely and possibly a thunderstorm after 2am.  Cloudy, with a low around 70. North wind 5 to 7 mph.  Chance of precipitation is 70%.

    T-storms
    Likely

    Low: 70 °F

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm.  Cloudy, with a high near 83. Northeast wind around 5 mph becoming calm  in the morning.  Chance of precipitation is 70%.

    Showers
    Likely

    High: 83 °F

  • Thursday
    Night

    Thursday Night: Showers likely, mainly before 2am.  Mostly cloudy, with a low around 68. Calm wind.  Chance of precipitation is 70%.

    Showers
    Likely

    Low: 68 °F

  • Friday

    Friday: A 50 percent chance of showers.  Mostly cloudy, with a high near 81.

    Chance
    Showers

    High: 81 °F

  • Friday
    Night

    Friday Night: A 40 percent chance of showers, mainly before 8pm.  Mostly cloudy, with a low around 66.

    Chance
    Showers

    Low: 66 °F

  • Saturday

    Saturday: A 20 percent chance of showers.  Partly sunny, with a high near 82.

    Slight Chance
    Showers

    High: 82 °F

  • Saturday
    Night

    Saturday Night: A 20 percent chance of showers before 8pm.  Partly cloudy, with a low around 66.

    Slight Chance
    Showers then
    Mostly Cloudy

    Low: 66 °F

Detailed Forecast

Overnight
Partly cloudy, with a low around 69. Calm wind becoming southwest around 5 mph.
Wednesday
Showers and thunderstorms likely, mainly between 1pm and 2pm. Partly sunny, with a high near 89. Light and variable wind becoming west 5 to 10 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 60%.
Wednesday Night
Showers and thunderstorms likely before 2am, then showers likely and possibly a thunderstorm after 2am. Cloudy, with a low around 70. North wind 5 to 7 mph. Chance of precipitation is 70%.
Thursday
Showers likely and possibly a thunderstorm. Cloudy, with a high near 83. Northeast wind around 5 mph becoming calm in the morning. Chance of precipitation is 70%.
Thursday Night
Showers likely, mainly before 2am. Mostly cloudy, with a low around 68. Calm wind. Chance of precipitation is 70%.
Friday
A 50 percent chance of showers. Mostly cloudy, with a high near 81.
Friday Night
A 40 percent chance of showers, mainly before 8pm. Mostly cloudy, with a low around 66.
Saturday
A 20 percent chance of showers. Partly sunny, with a high near 82.
Saturday Night
A 20 percent chance of showers before 8pm. Partly cloudy, with a low around 66.
Sunday
A 20 percent chance of showers and thunderstorms after 8am. Partly sunny, with a high near 84.
Sunday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Monday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.
Monday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Tuesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.
Click Map For Forecast
Point Forecast:
Belleville IL
 38.52°N 89.98°W (Elev. 509 ft)
11:29 pm CDT Aug 20, 2019
12am CDT Aug 21, 2019-6pm CDT Aug 26, 2019
 
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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