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Severe weather and flash flooding possible Sunday for the northern Plains and Upper Midwest

Severe weather will be possible Sunday across much of the northern Plains. The Storm Prediction Center has highlighted Slight and Moderate Risks mainly for large hail and damaging winds, but an isolated tornado cannot be ruled out. Across the Upper Midwest, heavy rainfall could lead to isolated flash flooding with 1 to 2 inches of rainfall possible over the next 24 hours.
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Current conditions at

Washington DC, Reagan National Airport (KDCA)

Lat: 38.85°NLon: 77.03°WElev: 13ft.

Mostly Cloudy

85°F

29°C

Humidity 55%
Wind Speed Calm
Barometer 30.13 in (1020.1 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 5 Jul 2:52 pm EDT
Extended Forecast for

Mc Lean VA

  • Tonight

    Scattered Showers Chance for Measurable Precipitation 50%

    Scattered
    Showers

    Low: 70 °F

  • Monday

    Showers Chance for Measurable Precipitation 80%

    Showers

    High: 84 °F

  • Monday
    Night

    Thunderstorms Likely Chance for Measurable Precipitation 60%

    Thunderstorms
    Likely

    Low: 71 °F

  • Tuesday

    Chance Showers Chance for Measurable Precipitation 30%

    Chance
    Showers

    High: 89 °F

  • Tuesday
    Night

    Partly Cloudy

    Partly
    Cloudy

    Low: 74 °F

  • Wednesday

    Chance Thunderstorms Chance for Measurable Precipitation 40%

    Chance
    Thunderstorms

    High: 89 °F

  • Wednesday
    Night

    Chance Showers Chance for Measurable Precipitation 30%

    Chance
    Showers

    Low: 72 °F

  • Thursday

    Chance Thunderstorms Chance for Measurable Precipitation 30%

    Chance
    Thunderstorms

    High: 88 °F

  • Thursday
    Night

    Chance Thunderstorms Chance for Measurable Precipitation 30%

    Chance
    Thunderstorms

    Low: 73 °F

Detailed Forecast

Tonight
Isolated showers and thunderstorms, then scattered showers after midnight. Mostly cloudy, with a low around 70. Southeast wind around 5 mph becoming calm after midnight. Chance of precipitation is 50%.
Monday
Showers and possibly a thunderstorm. High near 84. Southeast wind 6 to 8 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
Showers likely and possibly a thunderstorm before 8pm, then showers and thunderstorms likely between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 71. Southeast wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
A chance of showers before 8am, then a slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Southwest wind 3 to 6 mph. Chance of precipitation is 30%.
Tuesday Night
Partly cloudy, with a low around 74. South wind around 5 mph.
Wednesday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 89. Chance of precipitation is 40%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 72. Chance of precipitation is 30%.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 88. Chance of precipitation is 30%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 73. Chance of precipitation is 30%.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 89. Chance of precipitation is 30%.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 73. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 90.
Saturday Night
Mostly cloudy, with a low around 74.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 90. Chance of precipitation is 30%.
  Click Map For Forecast
Point Forecast:
Mc Lean VA
 38.95°N 77.19°W (Elev. 253 ft)
1:44 pm EDT Jul 5, 2015
4pm EDT Jul 5, 2015-6pm EDT Jul 12, 2015
 
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