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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

Quantico, Marine Corps Air Facility (KNYG)

Lat: 38.51°NLon: 77.29°WElev: 10ft.

Fair

72°F

22°C

Humidity 84%
Wind Speed S 8 mph
Barometer 29.90 in (1012.6 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 30 Jun 3:56 am EDT
Extended Forecast for

Dumfries VA

  • Today

    Isolated Thunderstorms Chance for Measurable Precipitation 20%

    Isolated
    Thunderstorms

    High: 89 °F

  • Tonight

    Scattered Thunderstorms Chance for Measurable Precipitation 50%

    Scattered
    Thunderstorms

    Low: 68 °F

  • Wednesday

    Chance Thunderstorms Chance for Measurable Precipitation 30%

    Chance
    Thunderstorms

    High: 87 °F

  • Wednesday
    Night

    Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

    Slight Chc
    Thunderstorms

    Low: 67 °F

  • Thursday

    Chance Thunderstorms Chance for Measurable Precipitation 50%

    Chance
    Thunderstorms

    High: 85 °F

  • Thursday
    Night

    Thunderstorms Likely Chance for Measurable Precipitation 60%

    Thunderstorms
    Likely

    Low: 67 °F

  • Friday

    Chance Thunderstorms Chance for Measurable Precipitation 30%

    Chance
    Thunderstorms

    High: 83 °F

  • Friday
    Night

    Chance Thunderstorms Chance for Measurable Precipitation 30%

    Chance
    Thunderstorms

    Low: 69 °F

  • Independence
    Day

    Chance Thunderstorms Chance for Measurable Precipitation 50%

    Chance
    Thunderstorms

    High: 86 °F

Detailed Forecast

Today
Isolated showers and thunderstorms after noon. Partly sunny, with a high near 89. Light south wind increasing to 8 to 13 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 20%.
Tonight
Scattered showers and thunderstorms, mainly before 3am. Mostly cloudy, with a low around 68. Southwest wind 3 to 6 mph. Chance of precipitation is 50%.
Wednesday
A chance of showers and thunderstorms, mainly after noon. Mostly sunny, with a high near 87. Southwest wind 5 to 7 mph. Chance of precipitation is 30%.
Wednesday Night
A slight chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 67. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Thursday
A chance of showers, with thunderstorms also possible after noon. Mostly cloudy, with a high near 85. Light and variable wind. Chance of precipitation is 50%.
Thursday Night
Showers and thunderstorms likely before midnight, then a chance of showers. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.
Friday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 83. Chance of precipitation is 30%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Chance of precipitation is 30%.
Independence Day
A chance of showers and thunderstorms. Partly sunny, with a high near 86. Chance of precipitation is 50%.
Saturday Night
Partly cloudy, with a low around 68.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 87. Chance of precipitation is 40%.
Sunday Night
Mostly cloudy, with a low around 69.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 88. Chance of precipitation is 30%.
  Click Map For Forecast
Point Forecast:
Dumfries VA
 38.56°N 77.34°W (Elev. 98 ft)
4:38 am EDT Jun 30, 2015
5am EDT Jun 30, 2015-6pm EDT Jul 6, 2015
 
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