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Hot weather continues for the Pacific Northwest and Great Basin; monsoonal moisture establishing over the Southwest

Across the western U.S., excessive heat will continue with widespread 100-plus degree temperatures for the lower elevations of Washington, Oregon, Idaho, Nevada, and California through midweek. Across the Desert Southwest, normal hot temperatures will be present through the week. Increasing moisture from the monsoon will make it feel more humid as well as aid in thunderstorm development.
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Current conditions at

St. Louis, Lambert-St. Louis International Airport (KSTL)

Lat: 38.75°NLon: 90.37°WElev: 604ft.

Fair with Haze

74°F

23°C

Humidity 76%
Wind Speed W 5 mph
Barometer 29.90 in (1011.5 mb)
Dewpoint 66°F (19°C)
Visibility 6.00 mi
Last update 30 Jun 7:51 am CDT
Extended Forecast for

Saint Louis MO

  • Today

    Chance Thunderstorms Chance for Measurable Precipitation 30%

    Chance
    Thunderstorms

    High: 89 °F

  • Tonight

    Thunderstorms Likely Chance for Measurable Precipitation 60%

    Thunderstorms
    Likely

    Low: 70 °F

  • Wednesday

    Thunderstorms Likely Chance for Measurable Precipitation 70%

    Thunderstorms
    Likely

    High: 79 °F

  • Wednesday
    Night

    Thunderstorms Likely Chance for Measurable Precipitation 60%

    Thunderstorms
    Likely

    Low: 67 °F

  • Thursday

    Chance Thunderstorms Chance for Measurable Precipitation 30%

    Chance
    Thunderstorms

    High: 79 °F

  • Thursday
    Night

    Chance Thunderstorms Chance for Measurable Precipitation 30%

    Chance
    Thunderstorms

    Low: 65 °F

  • Friday

    Chance Thunderstorms Chance for Measurable Precipitation 40%

    Chance
    Thunderstorms

    High: 79 °F

  • Friday
    Night

    Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

    Slight Chc
    Thunderstorms

    Low: 65 °F

  • Independence
    Day

    Chance Thunderstorms Chance for Measurable Precipitation 30%

    Chance
    Thunderstorms

    High: 82 °F

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 89. West wind 6 to 11 mph.
Tonight
Showers and thunderstorms likely, mainly after 1am. Mostly cloudy, with a low around 70. West wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 60%.
Wednesday
Showers and thunderstorms likely. Cloudy, with a high near 79. Light and variable wind. Chance of precipitation is 70%.
Wednesday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 67. Calm wind becoming east around 5 mph after midnight. Chance of precipitation is 60%.
Thursday
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 79. Northeast wind around 8 mph.
Thursday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65.
Friday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 79.
Friday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65.
Independence Day
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 82.
Saturday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 67.
Sunday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 85.
Sunday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Monday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 87.
  Click Map For Forecast
Point Forecast:
Saint Louis MO
 38.64°N 90.23°W (Elev. 538 ft)
5:54 am CDT Jun 30, 2015
8am CDT Jun 30, 2015-6pm CDT Jul 6, 2015
 
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