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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Upper Marlboro MD

7 Day Forecast

Overnight

Scattered Showers Chance for Measurable Precipitation 30%

Scattered
Showers

Low: 67 °F

Thursday

Thunderstorms Likely Chance for Measurable Precipitation 60%

Thunderstorms
Likely

High: 85 °F

Thursday
Night

Thunderstorms Likely Chance for Measurable Precipitation 60%

Thunderstorms
Likely

Low: 70 °F

Friday

Scattered Thunderstorms Chance for Measurable Precipitation 50%

Scattered
Thunderstorms

High: 83 °F

Friday
Night

Chance Showers Chance for Measurable Precipitation 50%

Chance
Showers

Low: 68 °F

Saturday

Chance Showers Chance for Measurable Precipitation 40%

Chance
Showers

High: 79 °F

Saturday
Night

Mostly Cloudy

Mostly
Cloudy

Low: 65 °F

Sunday

Mostly Cloudy

Mostly
Cloudy

High: 77 °F

Sunday
Night

Mostly Cloudy

Mostly
Cloudy

Low: 61 °F

Detailed Forecast

  • Overnight Scattered showers, mainly after midnight. Mostly cloudy, with a low around 67. Southeast wind around 5 mph becoming calm after midnight. Chance of precipitation is 30%.
  • Thursday Showers and thunderstorms likely, mainly after 5pm. Partly sunny, with a high near 85. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
  • Thursday Night Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 70. Calm wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
  • Friday Scattered showers and thunderstorms. Partly sunny, with a high near 83. Calm wind becoming northeast around 6 mph in the afternoon. Chance of precipitation is 50%.
  • Friday Night A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. East wind 5 to 7 mph. Chance of precipitation is 50%.
  • Saturday A chance of showers. Mostly cloudy, with a high near 79. Chance of precipitation is 40%.
  • Saturday Night Mostly cloudy, with a low around 65.
  • Sunday Mostly cloudy, with a high near 77.
  • Sunday Night Mostly cloudy, with a low around 61.
  • Monday Partly sunny, with a high near 77.
  • Monday Night Partly cloudy, with a low around 62.
  • Tuesday Mostly sunny, with a high near 80.
  • Tuesday Night Partly cloudy, with a low around 64.
  • Wednesday Mostly sunny, with a high near 85.