Dangerous Heat Building in the West; Severe Storms in the Upper Midwest

A long duration heat wave will build across the Southwest, California, and Pacific Northwest. Dangerous heat is also forecast for the Great Basin and South Plains. Severe storms in the Upper Midwest may have locally heavy rain, damaging winds, and very large hail. Heavy rain and flooding will also be possible in the Deep South and Appalachians. Read More >

Hazardous Weather Conditions

Current conditions at

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

Lat: 38.66°NLon: 90.66°WElev: 463ft.

Thunderstorm in Vicinity

77°F

25°C

Humidity 90%
Wind Speed Calm
Barometer 29.98 in (1014.5 mb)
Dewpoint 74°F (23°C)
Visibility 8.00 mi
Heat Index78°F (26°C)
Last update 13 Aug 8:54 pm CDT
Extended Forecast for

Eureka MO

  • Tonight

    Tonight: Partly cloudy, with a low around 69. Calm wind.

    Partly Cloudy

    Low: 69 °F

  • Friday

    Friday: A slight chance of showers between 2pm and 3pm, then a slight chance of showers and thunderstorms after 3pm.  Patchy fog before 8am.  Otherwise, partly sunny, with a high near 88. Calm wind becoming northeast around 6 mph in the afternoon.  Chance of precipitation is 20%.

    Patchy Fog
    then Slight
    Chance
    T-storms

    High: 88 °F

  • Friday
    Night

    Friday Night: Partly cloudy, with a low around 67. Light and variable wind.

    Partly Cloudy

    Low: 67 °F

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 89. Calm wind becoming northwest 5 to 7 mph in the afternoon.

    Mostly Sunny
    then Slight
    Chance
    T-storms

    High: 89 °F

  • Saturday
    Night

    Saturday Night: Partly cloudy, with a low around 64. Northwest wind 5 to 7 mph.

    Partly Cloudy

    Low: 64 °F

  • Sunday

    Sunday: Sunny, with a high near 84.

    Sunny

    High: 84 °F

  • Sunday
    Night

    Sunday Night: Mostly clear, with a low around 62.

    Mostly Clear

    Low: 62 °F

  • Monday

    Monday: Sunny, with a high near 83.

    Sunny

    High: 83 °F

  • Monday
    Night

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

    Mostly Clear

    Low: 60 °F

Detailed Forecast

Tonight
Partly cloudy, with a low around 69. Calm wind.
Friday
A slight chance of showers between 2pm and 3pm, then a slight chance of showers and thunderstorms after 3pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 88. Calm wind becoming northeast around 6 mph in the afternoon. Chance of precipitation is 20%.
Friday Night
Partly cloudy, with a low around 67. Light and variable wind.
Saturday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89. Calm wind becoming northwest 5 to 7 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 64. Northwest wind 5 to 7 mph.
Sunday
Sunny, with a high near 84.
Sunday Night
Mostly clear, with a low around 62.
Monday
Sunny, with a high near 83.
Monday Night
Mostly clear, with a low around 60.
Tuesday
Sunny, with a high near 81.
Tuesday Night
Mostly clear, with a low around 59.
Wednesday
Sunny, with a high near 82.
Wednesday Night
Mostly clear, with a low around 59.
Thursday
Sunny, with a high near 82.
Click Map For Forecast
Point Forecast:
Eureka MO
 38.5°N 90.63°W (Elev. 492 ft)
6:14 pm CDT Aug 13, 2020
9pm CDT Aug 13, 2020-6pm CDT Aug 20, 2020
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database