Heavy Rainfall And Severe Weather Potential From The Great Lakes and Ohio Valley to South Central Plains; Western Fire Weather Threats Remain Elevated

A low pressure system and front moving through the Mississippi Valley may yield heavy to excessive rainfall and the threat for some severe thunderstorms from parts of the Great Lakes and Ohio Valley to South Central Plains. Fire weather threats will remain elevated across the Northwest into the northern Rockies, as a system from the Pacific moves into and through the area over the next few days. Read More >

Hazardous Weather Conditions

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

A Few Clouds

90°F

32°C

Humidity 59%
Wind Speed S 8 mph
Barometer 29.93 in (1012.9 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index99°F (37°C)
Last update 16 Aug 3:53 pm CDT
Extended Forecast for

2 Miles W Arnold MO

  • This
    Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms.  Mostly sunny, with a high near 89. Southwest wind around 5 mph.

    Slight Chance
    T-storms

    High: 89 °F

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly after 2am.  Mostly cloudy, with a low around 71. Light and variable wind.  Chance of precipitation is 60%.

    Chance
    T-storms then
    T-storms
    Likely

    Low: 71 °F

  • Friday

    Friday: A chance of showers and thunderstorms.  Partly sunny, with a high near 86. Northwest wind 3 to 6 mph.  Chance of precipitation is 50%.

    Chance
    T-storms then
    Chance
    Showers

    High: 86 °F

  • Friday
    Night

    Friday Night: A slight chance of showers before 7pm, then a slight chance of showers and thunderstorms between 7pm and 1am.  Partly cloudy, with a low around 69. Northwest wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 20%.

    Slight Chance
    T-storms

    Low: 69 °F

  • Saturday

    Saturday: Mostly sunny, with a high near 87. Calm wind becoming north around 6 mph in the morning.

    Mostly Sunny

    High: 87 °F

  • Saturday
    Night

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

    Mostly Clear

    Low: 68 °F

  • Sunday

    Sunday: Mostly sunny, with a high near 88.

    Mostly Sunny

    High: 88 °F

  • Sunday
    Night

    Sunday Night: Showers and thunderstorms likely after 1am.  Mostly cloudy, with a low around 69. Chance of precipitation is 60%.

    Mostly Cloudy
    then T-storms
    Likely

    Low: 69 °F

  • Monday

    Monday: Showers and thunderstorms likely, mainly after 1pm.  Mostly cloudy, with a high near 83. Chance of precipitation is 60%.

    T-storms
    Likely

    High: 83 °F

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89. Southwest wind around 5 mph.
Tonight
Showers and thunderstorms likely, mainly after 2am. Mostly cloudy, with a low around 71. Light and variable wind. Chance of precipitation is 60%.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 86. Northwest wind 3 to 6 mph. Chance of precipitation is 50%.
Friday Night
A slight chance of showers before 7pm, then a slight chance of showers and thunderstorms between 7pm and 1am. Partly cloudy, with a low around 69. Northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Saturday
Mostly sunny, with a high near 87. Calm wind becoming north around 6 mph in the morning.
Saturday Night
Mostly clear, with a low around 68.
Sunday
Mostly sunny, with a high near 88.
Sunday Night
Showers and thunderstorms likely after 1am. Mostly cloudy, with a low around 69. Chance of precipitation is 60%.
Monday
Showers and thunderstorms likely, mainly after 1pm. Mostly cloudy, with a high near 83. Chance of precipitation is 60%.
Monday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 80.
Tuesday Night
Partly cloudy, with a low around 63.
Wednesday
Sunny, with a high near 81.
Wednesday Night
Mostly clear, with a low around 60.
Thursday
Sunny, with a high near 83.
Click Map For Forecast
Point Forecast:
2 Miles W Arnold MO
 38.42°N 90.41°W (Elev. 597 ft)
3:42 pm CDT Aug 16, 2018
4pm CDT Aug 16, 2018-6pm CDT Aug 23, 2018
 
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Additional Resources

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Hourly Weather Forecast

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