Heat Across The Southern U.S.; Storms And Heavy Rain in Central U.S.

The early-season heat across portions of the Southern U.S. will continue for much of this week with more potential record high temperatures. On Tuesday, expect 90s and triple digits from the southern Plains into parts of the Lower Mississippi Valley. Also on Tuesday, strong to severe thunderstorms and locally heavy rainfall will be possible from the central Plains into the Mid Mississippi Valley. Read More >

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Fair

55°F

13°C

Humidity 80%
Wind Speed Calm
Barometer 29.85 in (1012.0 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 17 May 3:56 am EDT
Extended Forecast for

Olney MD

  • Today

    Today: Sunny, with a high near 78. West wind 5 to 10 mph increasing to 11 to 16 mph in the afternoon. Winds could gust as high as 24 mph.

    Sunny

    High: 78 °F

  • Tonight

    Tonight: Mostly clear, with a low around 50. Northwest wind 6 to 8 mph.

    Mostly Clear

    Low: 50 °F

  • Wednesday

    Wednesday: Mostly sunny, with a high near 73. North wind around 6 mph becoming west in the afternoon.

    Mostly Sunny

    High: 73 °F

  • Wednesday
    Night

    Wednesday Night: Scattered showers.  Mostly cloudy, with a low around 58. Southeast wind 6 to 8 mph.  Chance of precipitation is 40%.

    Scattered
    Showers

    Low: 58 °F

  • Thursday

    Thursday: Partly sunny, with a high near 82. South wind 8 to 13 mph becoming west in the afternoon. Winds could gust as high as 20 mph.

    Partly Sunny

    High: 82 °F

  • Thursday
    Night

    Thursday Night: Mostly clear, with a low around 60.

    Mostly Clear

    Low: 60 °F

  • Friday

    Friday: Mostly sunny, with a high near 89.

    Mostly Sunny

    High: 89 °F

  • Friday
    Night

    Friday Night: Partly cloudy, with a low around 69.

    Partly Cloudy

    Low: 69 °F

  • Saturday

    Saturday: A chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 93. Chance of precipitation is 30%.

    Sunny then
    Chance
    T-storms

    High: 93 °F

Detailed Forecast

Today
Sunny, with a high near 78. West wind 5 to 10 mph increasing to 11 to 16 mph in the afternoon. Winds could gust as high as 24 mph.
Tonight
Mostly clear, with a low around 50. Northwest wind 6 to 8 mph.
Wednesday
Mostly sunny, with a high near 73. North wind around 6 mph becoming west in the afternoon.
Wednesday Night
Scattered showers. Mostly cloudy, with a low around 58. Southeast wind 6 to 8 mph. Chance of precipitation is 40%.
Thursday
Partly sunny, with a high near 82. South wind 8 to 13 mph becoming west in the afternoon. Winds could gust as high as 20 mph.
Thursday Night
Mostly clear, with a low around 60.
Friday
Mostly sunny, with a high near 89.
Friday Night
Partly cloudy, with a low around 69.
Saturday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93. Chance of precipitation is 30%.
Saturday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 67. Chance of precipitation is 30%.
Sunday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 82. Chance of precipitation is 60%.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 54. Chance of precipitation is 60%.
Monday
Mostly sunny, with a high near 71.
Click Map For Forecast
Point Forecast:
Olney MD
 39.14°N 77.1°W (Elev. 449 ft)
4:30 am EDT May 17, 2022
4am EDT May 17, 2022-6pm EDT May 23, 2022
 
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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