National Weather Service United States Department of Commerce

Oppressive heat and humidity building into the central and southeast U.S.

A heat wave is building into parts of the central and southeast U.S. this week. The combination of heat and humidity will lead to dangerous heat indices, especially in parts of the central Mississippi River Valley where an Excessive Heat Warning is in effect. Heat Advisories are in effect elsewhere across the region. Relief is not expected for several days.
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Hazardous Weather Conditions

Current Conditions

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3 Miles NNW Washington DC

7 Day Forecast

Today

Scattered Thunderstorms Chance for Measurable Precipitation 30%

Scattered
Thunderstorms

High: 89 °F

Tonight

Scattered Thunderstorms Chance for Measurable Precipitation 50%

Scattered
Thunderstorms

Low: 71 °F

Friday

Chance Thunderstorms Chance for Measurable Precipitation 50%

Chance
Thunderstorms

High: 85 °F

Friday
Night

Chance Thunderstorms Chance for Measurable Precipitation 50%

Chance
Thunderstorms

Low: 69 °F

Saturday

Chance Showers Chance for Measurable Precipitation 50%

Chance
Showers

High: 79 °F

Saturday
Night

Mostly Cloudy

Mostly
Cloudy

Low: 64 °F

Sunday

Mostly Sunny

Mostly
Sunny

High: 76 °F

Sunday
Night

Partly Cloudy

Partly
Cloudy

Low: 60 °F

Monday

Mostly Sunny

Mostly
Sunny

High: 77 °F

Detailed Forecast

  • Today Scattered showers and thunderstorms, mainly after 2pm. Partly sunny, with a high near 89. Light southwest wind. Chance of precipitation is 30%.
  • Tonight Scattered showers and thunderstorms. Mostly cloudy, with a low around 71. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%.
  • Friday A chance of showers and thunderstorms, mainly after 8am. Partly sunny, with a high near 85. North wind 3 to 6 mph. Chance of precipitation is 50%.
  • Friday Night A chance of showers and thunderstorms. Cloudy, with a low around 69. East wind 6 to 8 mph. Chance of precipitation is 50%.
  • Saturday A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 79. East wind around 9 mph. Chance of precipitation is 50%.
  • Saturday Night Mostly cloudy, with a low around 64.
  • Sunday Mostly sunny, with a high near 76.
  • Sunday Night Partly cloudy, with a low around 60.
  • Monday Mostly sunny, with a high near 77.
  • Monday Night Partly cloudy, with a low around 60.
  • Tuesday Mostly sunny, with a high near 80.
  • Tuesday Night Partly cloudy, with a low around 62.
  • Wednesday Mostly sunny, with a high near 83.