Severe Thunderstorms in the Mid-Atlantic, Northeast, and Northern Plains; Flash Flooding Possible in Central Plains

Isolated to scattered severe thunderstorms are expected Saturday across parts of the Northeast and Mid-Atlantic, as well as across parts of the northern Plains. Excessive rainfall over a portion of the central Plains may bring flooding Saturday and Sunday. Critical fire weather conditions will exist over the Great Basin and central and southwest Alaska Saturday. Read More >

Hazardous Weather Conditions

Current conditions at

St. Louis Lambert International Airport (KSTL)

Lat: 38.75°NLon: 90.37°WElev: 604ft.

Mostly Cloudy

76°F

24°C

Humidity 74%
Wind Speed NE 7 mph
Barometer 29.98 in (1013.6 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 2 Jul 2:51 am CDT
Extended Forecast for

Florissant MO

  • Overnight

    Overnight: A 20 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 72. Northeast wind around 9 mph.

    Slight Chance
    T-storms

    Low: 72 °F

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms, mainly after 1pm.  Mostly cloudy, with a high near 87. Northeast wind 6 to 8 mph.

    Chance
    T-storms

    High: 87 °F

  • Saturday
    Night

    Saturday Night: A 40 percent chance of showers and thunderstorms, mainly after 1am.  Mostly cloudy, with a low around 71. East wind around 6 mph.

    Chance
    T-storms

    Low: 71 °F

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms.  Partly sunny, with a high near 90. Southeast wind 5 to 7 mph.

    Chance
    T-storms

    High: 90 °F

  • Sunday
    Night

    Sunday Night: Partly cloudy, with a low around 75. Southeast wind 3 to 6 mph.

    Partly Cloudy

    Low: 75 °F

  • Independence
    Day

    Independence Day: A 20 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 96.

    Sunny then
    Slight Chance
    T-storms

    High: 96 °F

  • Monday
    Night

    Monday Night: Mostly clear, with a low around 79.

    Mostly Clear

    Low: 79 °F

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 1pm.  Sunny and hot, with a high near 100.

    Sunny then
    Slight Chance
    T-storms

    High: 100 °F

  • Tuesday
    Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms after 1am.  Mostly clear, with a low around 79.

    Mostly Clear
    then Slight
    Chance
    T-storms

    Low: 79 °F

Detailed Forecast

Overnight
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Northeast wind around 9 mph.
Saturday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly cloudy, with a high near 87. Northeast wind 6 to 8 mph.
Saturday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 71. East wind around 6 mph.
Sunday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 90. Southeast wind 5 to 7 mph.
Sunday Night
Partly cloudy, with a low around 75. Southeast wind 3 to 6 mph.
Independence Day
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 96.
Monday Night
Mostly clear, with a low around 79.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 100.
Tuesday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 79.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny and hot, with a high near 100.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 78.
Thursday
A 30 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 97.
Thursday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76.
Friday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.
Click Map For Forecast
Point Forecast:
Florissant MO
 38.8°N 90.34°W (Elev. 499 ft)
3:11 am CDT Jul 2, 2022
3am CDT Jul 2, 2022-6pm CDT Jul 8, 2022
 
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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