Claudette Impacts the Southeast U.S.; Severe Thunderstorms from the Central Plains to the Mid-Atlantic; A Heat Wave Persists in West

Claudette will produce heavy rainfall with areas of flash flooding across portions of the Florida Panhandle, eastern Alabama, and Georgia through tonight, and into the Carolinas on Sunday. Damaging thunderstorm winds are possible from the central Plains to the Mid-Atlantic tonight. Dangerous and record-breaking heat and fire weather conditions will continue across much of the western U.S. Read More >

Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Thunderstorm

84°F

29°C

Humidity 70%
Wind Speed W 9 mph
Barometer 29.76 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 19 Jun 4:52 pm CDT
Extended Forecast for

2 Miles WSW Alton IL

Severe T-storm Watch until June 19, 10:00pm
Heat Advisory until June 20, 07:00pm
Click here for hazard details and duration
Severe T-storm Watch
Heat Advisory
  •  
    Severe T-storm Watch until June 19, 10:00pm
    Heat Advisory until June 20, 07:00pm

    NOW: Multiple
    hazards in effect

    Click HERE for Details

  • This
    Afternoon

    This Afternoon: Showers and thunderstorms likely. Some of the storms could produce heavy rainfall.  Mostly cloudy, with a high near 90. Southwest wind around 9 mph.  Chance of precipitation is 70%.

    Heavy Rain

    High: 90 °F

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly before 9pm.  Mostly cloudy, with a low around 73. South wind 5 to 8 mph.

    Chance
    T-storms then
    Mostly Cloudy

    Low: 73 °F

  • Sunday

    Sunday: Mostly sunny and hot, with a high near 97. Heat index values as high as 101. South wind 5 to 10 mph increasing to 11 to 16 mph in the afternoon. Winds could gust as high as 24 mph.

    Hot

    High: 97 °F

  • Sunday
    Night

    Sunday Night: A 40 percent chance of showers and thunderstorms, mainly after 9pm.  Mostly cloudy, with a low around 72. Southwest wind 9 to 14 mph becoming west after midnight. Winds could gust as high as 22 mph.

    Chance
    T-storms

    Low: 72 °F

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a high near 79. Northwest wind 10 to 13 mph, with gusts as high as 21 mph.

    Chance
    T-storms

    High: 79 °F

  • Monday
    Night

    Monday Night: Partly cloudy, with a low around 56.

    Partly Cloudy

    Low: 56 °F

  • Tuesday

    Tuesday: Sunny, with a high near 80.

    Sunny

    High: 80 °F

  • Tuesday
    Night

    Tuesday Night: Mostly clear, with a low around 60.

    Mostly Clear

    Low: 60 °F

Detailed Forecast

This Afternoon
Showers and thunderstorms likely. Some of the storms could produce heavy rainfall. Mostly cloudy, with a high near 90. Southwest wind around 9 mph. Chance of precipitation is 70%.
Tonight
A 40 percent chance of showers and thunderstorms, mainly before 9pm. Mostly cloudy, with a low around 73. South wind 5 to 8 mph.
Sunday
Mostly sunny and hot, with a high near 97. Heat index values as high as 101. South wind 5 to 10 mph increasing to 11 to 16 mph in the afternoon. Winds could gust as high as 24 mph.
Sunday Night
A 40 percent chance of showers and thunderstorms, mainly after 9pm. Mostly cloudy, with a low around 72. Southwest wind 9 to 14 mph becoming west after midnight. Winds could gust as high as 22 mph.
Monday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 79. Northwest wind 10 to 13 mph, with gusts as high as 21 mph.
Monday Night
Partly cloudy, with a low around 56.
Tuesday
Sunny, with a high near 80.
Tuesday Night
Mostly clear, with a low around 60.
Wednesday
Sunny, with a high near 87.
Wednesday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 67.
Thursday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 90.
Thursday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 74.
Friday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 92.
Friday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 71. Chance of precipitation is 60%.
Saturday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
Click Map For Forecast
Point Forecast:
2 Miles WSW Alton IL
 38.88°N 90.19°W (Elev. 407 ft)
3:26 pm CDT Jun 19, 2021
5pm CDT Jun 19, 2021-6pm CDT Jun 26, 2021
 
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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