Dangerous Heat Continues Across the South; Severe Thunderstorms Possible From Central/Southern Plains to Ohio Valley

Heat Advisories and Excessive Heat Warnings are in effect through this weekend across the Southern U.S. Isolated severe thunderstorms with damaging winds and hail will be possible Sunday across portions of the southern U.S. into the Ohio Valley and central Appalachians, as well as across parts of the central and southern High Plains. Read More >

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Fair

71°F

22°C

Humidity 87%
Wind Speed W 5 mph
Barometer 29.81 in (1010.3 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 11 Jul 10:56 pm EDT
Extended Forecast for

Olney MD

  • Tonight

    Tonight: Mostly clear, with a low around 67. West wind around 6 mph.

    Mostly Clear

    Low: 67 °F

  • Sunday

    Sunday: Mostly sunny, with a high near 89. Southwest wind 5 to 8 mph.

    Mostly Sunny

    High: 89 °F

  • Sunday
    Night

    Sunday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 68. West wind 3 to 6 mph.  Chance of precipitation is 40%.

    Chance
    Showers

    Low: 68 °F

  • Monday

    Monday: A chance of showers, with thunderstorms also possible after 8am.  Partly sunny, with a high near 86. West wind 3 to 7 mph.  Chance of precipitation is 40%.

    Chance
    T-storms

    High: 86 °F

  • Monday
    Night

    Monday Night: Partly cloudy, with a low around 66. Northwest wind around 6 mph.

    Partly Cloudy

    Low: 66 °F

  • Tuesday

    Tuesday: Sunny, with a high near 87.

    Sunny

    High: 87 °F

  • Tuesday
    Night

    Tuesday Night: Mostly clear, with a low around 66.

    Mostly Clear

    Low: 66 °F

  • Wednesday

    Wednesday: Sunny, with a high near 90.

    Sunny

    High: 90 °F

  • Wednesday
    Night

    Wednesday Night: Partly cloudy, with a low around 71.

    Partly Cloudy

    Low: 71 °F

Detailed Forecast

Tonight
Mostly clear, with a low around 67. West wind around 6 mph.
Sunday
Mostly sunny, with a high near 89. Southwest wind 5 to 8 mph.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. West wind 3 to 6 mph. Chance of precipitation is 40%.
Monday
A chance of showers, with thunderstorms also possible after 8am. Partly sunny, with a high near 86. West wind 3 to 7 mph. Chance of precipitation is 40%.
Monday Night
Partly cloudy, with a low around 66. Northwest wind around 6 mph.
Tuesday
Sunny, with a high near 87.
Tuesday Night
Mostly clear, with a low around 66.
Wednesday
Sunny, with a high near 90.
Wednesday Night
Partly cloudy, with a low around 71.
Thursday
Mostly sunny, with a high near 91.
Thursday Night
Partly cloudy, with a low around 72.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 91. Chance of precipitation is 40%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Chance of precipitation is 30%.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 91. Chance of precipitation is 50%.
Click Map For Forecast
Point Forecast:
Olney MD
 39.16°N 77.06°W (Elev. 486 ft)
10:32 pm EDT Jul 11, 2020
11pm EDT Jul 11, 2020-6pm EDT Jul 18, 2020
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database