Critical Fire Weather Threats in the West; Storms in the High Plains; Flash Flood Risk in the Mid-Atlantic

Critical fire weather conditions persist across portions of the Northwest, Northern Rockies and Great Basin. Severe thunderstorms with large hail and a few strong gusts are possible across parts of the northern and central Plains. Heavy rainfall brings a flash flooding risk to the Mid-Atlantic. Heat builds in the Southwest into California this week. Read More >

Hazardous Weather Conditions

Current conditions at

St. Louis, Spirit Of St. Louis Airport (KSUS)

Lat: 38.66°NLon: 90.66°WElev: 463ft.

Fog/Mist

72°F

22°C

Humidity 94%
Wind Speed SW 3 mph
Barometer 30.03 in (1016.1 mb)
Dewpoint 70°F (21°C)
Visibility 4.00 mi
Last update 12 Aug 6:54 am CDT
Extended Forecast for

Lake St. Louis MO

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly before 2pm.  Partly sunny, with a high near 87. Calm wind becoming southeast around 6 mph in the morning.

    Chance
    T-storms

    High: 87 °F

  • Tonight

    Tonight: Mostly clear, with a low around 69. East wind around 5 mph becoming calm  in the evening.

    Mostly Clear

    Low: 69 °F

  • Thursday

    Thursday: Mostly sunny, with a high near 87. East wind 3 to 7 mph.

    Mostly Sunny

    High: 87 °F

  • Thursday
    Night

    Thursday Night: Partly cloudy, with a low around 68. East wind around 5 mph becoming calm  in the evening.

    Partly Cloudy

    Low: 68 °F

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms, mainly after 1pm.  Mostly sunny, with a high near 87. Light east wind.

    Chance
    T-storms

    High: 87 °F

  • Friday
    Night

    Friday Night: A 20 percent chance of showers and thunderstorms after 1am.  Mostly clear, with a low around 68.

    Mostly Clear
    then Slight
    Chance
    T-storms

    Low: 68 °F

  • Saturday

    Saturday: Sunny, with a high near 88.

    Sunny

    High: 88 °F

  • Saturday
    Night

    Saturday Night: Mostly clear, with a low around 68.

    Mostly Clear

    Low: 68 °F

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms, mainly after 1pm.  Mostly sunny, with a high near 86.

    Chance
    T-storms

    High: 86 °F

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly before 2pm. Partly sunny, with a high near 87. Calm wind becoming southeast around 6 mph in the morning.
Tonight
Mostly clear, with a low around 69. East wind around 5 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 87. East wind 3 to 7 mph.
Thursday Night
Partly cloudy, with a low around 68. East wind around 5 mph becoming calm in the evening.
Friday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 87. Light east wind.
Friday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 68.
Saturday
Sunny, with a high near 88.
Saturday Night
Mostly clear, with a low around 68.
Sunday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 86.
Sunday Night
Partly cloudy, with a low around 65.
Monday
Mostly sunny, with a high near 82.
Monday Night
Partly cloudy, with a low around 60.
Tuesday
Mostly sunny, with a high near 78.
Click Map For Forecast
Point Forecast:
Lake St. Louis MO
 38.79°N 90.79°W (Elev. 512 ft)
6:13 am CDT Aug 12, 2020
7am CDT Aug 12, 2020-6pm CDT Aug 18, 2020
 
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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