National Weather Service United States Department of Commerce

A stalled frontal boundary and ample monsoonal moisture will lead to flash flood potential from the Great Basin to the Great Plains tonight and Tuesday

A stalled frontal boundary will set up along the southern and central Rockies for the next couple of days providing focus for showers and thunderstorms. In addition, ample monsoonal moisture will stream in across the southwest bringing enough moisture to introduce a flash flood threat from the Great Basin and Southwest eastward across the central and southern Rockies into the adjacent Plains.
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Current Conditions

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Washington DC, Reagan National Airport VA

7 Day Forecast

Today

Mostly Sunny

Mostly
Sunny

High: 79 °F

Tonight

Mostly Clear

Mostly
Clear

Low: 64 °F

Wednesday

Sunny

Sunny

High: 83 °F

Wednesday
Night

Mostly Clear

Mostly
Clear

Low: 66 °F

Thursday

Mostly Sunny

Mostly
Sunny

High: 87 °F

Thursday
Night

Partly Cloudy

Partly
Cloudy

Low: 66 °F

Friday

Chance Thunderstorms Chance for Measurable Precipitation 40%

Chance
Thunderstorms

High: 83 °F

Friday
Night

Chance Showers Chance for Measurable Precipitation 40%

Chance
Showers

Low: 66 °F

Saturday

Chance Thunderstorms Chance for Measurable Precipitation 40%

Chance
Thunderstorms

High: 82 °F

Detailed Forecast

  • Today Mostly sunny, with a high near 79. West wind 8 to 10 mph.
  • Tonight Mostly clear, with a low around 64. Northwest wind 3 to 6 mph.
  • Wednesday Sunny, with a high near 83. Northwest wind 5 to 7 mph.
  • Wednesday Night Mostly clear, with a low around 66. West wind around 5 mph becoming calm in the evening.
  • Thursday Mostly sunny, with a high near 87. Calm wind becoming southwest around 5 mph in the afternoon.
  • Thursday Night Partly cloudy, with a low around 66.
  • Friday A chance of showers and thunderstorms. Partly sunny, with a high near 83. Chance of precipitation is 40%.
  • Friday Night A chance of showers. Mostly cloudy, with a low around 66. Chance of precipitation is 40%.
  • Saturday A chance of showers and thunderstorms. Mostly cloudy, with a high near 82. Chance of precipitation is 40%.
  • Saturday Night A chance of showers. Mostly cloudy, with a low around 67. Chance of precipitation is 40%.
  • Sunday A chance of showers and thunderstorms. Mostly cloudy, with a high near 83. Chance of precipitation is 40%.
  • Sunday Night A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Chance of precipitation is 30%.
  • Monday A chance of showers and thunderstorms. Partly sunny, with a high near 86. Chance of precipitation is 30%.