Hot temperatures across the west; southeast

Heat and humidity will impact the southeast early this week. Heat indices over 100 degrees are expected from the Texas Gulf Coast to the Florida Panhandle, into the lower Mississippi Valley and portions of Alabama and Georgia. Excessive heat will return to the Desert Southwest Monday and persist through the week. Temperatures over 100 will also expand to the Intermountain West.
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Hazardous Weather Conditions

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

A Few Clouds

82°F

28°C

Humidity 58%
Wind Speed SW 5 mph
Barometer 30.01 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 27 Jun 4:15 pm EDT
Extended Forecast for

Rockville MD

  • This
    Afternoon

    This Afternoon: Scattered showers and thunderstorms.  Mostly cloudy, with a high near 85. South wind around 9 mph.  Chance of precipitation is 40%.

    Scattered
    T-storms

    High: 85 °F

  • Tonight

    Tonight: Showers and thunderstorms likely before 3am, then isolated showers.  Mostly cloudy, with a low around 69. South wind 5 to 7 mph.  Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    T-storms
    Likely then
    Scattered
    Showers

    Low: 69 °F

  • Tuesday

    Tuesday: A slight chance of showers, then a chance of showers and thunderstorms after noon.  Patchy fog before 9am.  Otherwise, partly sunny, with a high near 86. Southwest wind 3 to 5 mph.  Chance of precipitation is 50%.

    Slight Chance
    Showers and
    Patchy Fog
    then Chance
    T-storms

    High: 86 °F

  • Tuesday
    Night

    Tuesday Night: A chance of showers and thunderstorms before 3am, then a slight chance of showers.  Mostly cloudy, with a low around 65. Southwest wind around 6 mph becoming northwest after midnight.  Chance of precipitation is 40%.

    Chance
    T-storms

    Low: 65 °F

  • Wednesday

    Wednesday: Mostly sunny, with a high near 82. Northwest wind 7 to 9 mph.

    Mostly Sunny

    High: 82 °F

  • Wednesday
    Night

    Wednesday Night: Mostly clear, with a low around 64.

    Mostly Clear

    Low: 64 °F

  • Thursday

    Thursday: Mostly sunny, with a high near 84.

    Mostly Sunny

    High: 84 °F

  • Thursday
    Night

    Thursday Night: A chance of showers and thunderstorms.  Partly cloudy, with a low around 68. Chance of precipitation is 30%.

    Chance
    T-storms

    Low: 68 °F

  • Friday

    Friday: A chance of showers and thunderstorms.  Partly sunny, with a high near 85. Chance of precipitation is 40%.

    Chance
    T-storms

    High: 85 °F

Detailed Forecast

This Afternoon
Scattered showers and thunderstorms. Mostly cloudy, with a high near 85. South wind around 9 mph. Chance of precipitation is 40%.
Tonight
Showers and thunderstorms likely before 3am, then isolated showers. Mostly cloudy, with a low around 69. South wind 5 to 7 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Patchy fog before 9am. Otherwise, partly sunny, with a high near 86. Southwest wind 3 to 5 mph. Chance of precipitation is 50%.
Tuesday Night
A chance of showers and thunderstorms before 3am, then a slight chance of showers. Mostly cloudy, with a low around 65. Southwest wind around 6 mph becoming northwest after midnight. Chance of precipitation is 40%.
Wednesday
Mostly sunny, with a high near 82. Northwest wind 7 to 9 mph.
Wednesday Night
Mostly clear, with a low around 64.
Thursday
Mostly sunny, with a high near 84.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 68. Chance of precipitation is 30%.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 85. Chance of precipitation is 40%.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 68. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 86.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Chance of precipitation is 40%.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 82. Chance of precipitation is 30%.
Sunday Night
Partly cloudy, with a low around 65.
Independence Day
Mostly sunny, with a high near 84.
Click Map For Forecast
Point Forecast:
Rockville MD
 39.08°N 77.16°W (Elev. 430 ft)
1:28 pm EDT Jun 27, 2016
4pm EDT Jun 27, 2016-6pm EDT Jul 4, 2016
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database