Isolated Severe Thunderstorms and Flooding Potential in the Central U.S.

Isolated strong to severe thunderstorms are possible across parts of the southern and central Plains today through Saturday. Large hail and severe wind gusts are the main threats. Heavy rainfall is forecast from the western Gulf Coast into the Midwest from this weekend into early next week. New and renewed river rises are possible across portions of eastern Texas. Read More >

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Fair

67°F

19°C

Humidity 25%
Wind Speed Vrbl 3 mph
Barometer 30.28 in (1026.6 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 13 May 12:56 pm EDT
Extended Forecast for

Olney MD

  • This
    Afternoon

    This Afternoon: Sunny, with a high near 68. North wind around 9 mph.

    Sunny

    High: 68 °F

  • Tonight

    Tonight: Partly cloudy, with a low around 46. Northwest wind 3 to 5 mph.

    Partly Cloudy

    Low: 46 °F

  • Friday

    Friday: Mostly sunny, with a high near 71. North wind around 6 mph.

    Mostly Sunny

    High: 71 °F

  • Friday
    Night

    Friday Night: Mostly clear, with a low around 48. Light west wind.

    Mostly Clear

    Low: 48 °F

  • Saturday

    Saturday: A slight chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 74. Light and variable wind.  Chance of precipitation is 20%.

    Sunny then
    Slight Chance
    T-storms

    High: 74 °F

  • Saturday
    Night

    Saturday Night: Partly cloudy, with a low around 51.

    Partly Cloudy

    Low: 51 °F

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 2pm.  Partly sunny, with a high near 71. Chance of precipitation is 50%.

    Chance
    Showers then
    Chance
    T-storms

    High: 71 °F

  • Sunday
    Night

    Sunday Night: A chance of thunderstorms before 8pm.  Mostly cloudy, with a low around 52. Chance of precipitation is 30%.

    Chance
    T-storms then
    Mostly Cloudy

    Low: 52 °F

  • Monday

    Monday: A chance of showers.  Mostly cloudy, with a high near 71. Chance of precipitation is 50%.

    Chance
    Showers

    High: 71 °F

Detailed Forecast

This Afternoon
Sunny, with a high near 68. North wind around 9 mph.
Tonight
Partly cloudy, with a low around 46. Northwest wind 3 to 5 mph.
Friday
Mostly sunny, with a high near 71. North wind around 6 mph.
Friday Night
Mostly clear, with a low around 48. Light west wind.
Saturday
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 74. Light and variable wind. Chance of precipitation is 20%.
Saturday Night
Partly cloudy, with a low around 51.
Sunday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 71. Chance of precipitation is 50%.
Sunday Night
A chance of thunderstorms before 8pm. Mostly cloudy, with a low around 52. Chance of precipitation is 30%.
Monday
A chance of showers. Mostly cloudy, with a high near 71. Chance of precipitation is 50%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 55. Chance of precipitation is 50%.
Tuesday
A chance of showers. Partly sunny, with a high near 76. Chance of precipitation is 40%.
Tuesday Night
A chance of showers. Partly cloudy, with a low around 56. Chance of precipitation is 30%.
Wednesday
Mostly sunny, with a high near 77.
Click Map For Forecast
Point Forecast:
Olney MD
 39.14°N 77.1°W (Elev. 449 ft)
10:31 am EDT May 13, 2021
1pm EDT May 13, 2021-6pm EDT May 19, 2021
 
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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