Severe Storms in the Plains; Heavy Rain Potential in the Plains and Southeast

An approaching cold front will produce severe storms, including a few possible tornadoes and flash flooding across the Plains today. A stationary front along the Southeast coast and Florida continues the threat for heavy rainfall and widespread potential for flooding. The heat continues across much of the Southwest, and is building across the Southern Plains once again. Read More >

Hazardous Weather Conditions

Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Thunderstorm

22°C

72°F

Humidity 100%
Wind Speed NW 26 km/h
Barometer 29.97 in
Dewpoint 22°C (72°F)
Visibility 16 km
Last update 17 Aug 7:58 am CDT
Extended Forecast for

Maryville IL

  • Today

    Today: Occasional showers and thunderstorms, mainly before 11am.  High near 31. Southwest wind around 10 km/h.  Chance of precipitation is 80%.

    T-storms then
    Partly Sunny

    High: 31 °C

  • Tonight

    Tonight: Partly cloudy, with a low around 23. South wind 8 to 10 km/h.

    Partly Cloudy

    Low: 23 °C

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms.  Partly sunny, with a high near 33. South wind around 11 km/h.

    Chance
    T-storms

    High: 33 °C

  • Sunday
    Night

    Sunday Night: A 20 percent chance of showers and thunderstorms after 1am.  Mostly cloudy, with a low around 23. Southwest wind 3 to 8 km/h.

    Mostly Cloudy
    then Slight
    Chance
    T-storms

    Low: 23 °C

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms before 1pm.  Mostly sunny, with a high near 33. Calm wind.

    Slight Chance
    T-storms

    High: 33 °C

  • Monday
    Night

    Monday Night: Mostly clear, with a low around 24.

    Mostly Clear

    Low: 24 °C

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms.  Mostly sunny, with a high near 34.

    Slight Chance
    T-storms

    High: 34 °C

  • Tuesday
    Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms.  Partly cloudy, with a low around 23.

    Slight Chance
    T-storms

    Low: 23 °C

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms, mainly before 1pm.  Partly sunny, with a high near 31.

    Chance
    T-storms

    High: 31 °C

Detailed Forecast

Today
Occasional showers and thunderstorms, mainly before 11am. High near 31. Southwest wind around 10 km/h. Chance of precipitation is 80%.
Tonight
Partly cloudy, with a low around 23. South wind 8 to 10 km/h.
Sunday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 33. South wind around 11 km/h.
Sunday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 23. Southwest wind 3 to 8 km/h.
Monday
A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 33. Calm wind.
Monday Night
Mostly clear, with a low around 24.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 34.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 23.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 31.
Wednesday Night
Mostly cloudy, with a low around 19.
Thursday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 28.
Thursday Night
Partly cloudy, with a low around 18.
Friday
Mostly sunny, with a high near 29.
Click Map For Forecast
Point Forecast:
Maryville IL
 38.72°N 89.94°W (Elev. 169 m)
7:43 am CDT Aug 17, 2019
8am CDT Aug 17, 2019-6pm CDT Aug 23, 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