Sinlaku Continues to Impact the Marianas; Severe Weather from the Central US to the Northeast; Late-Season Snow in the Northwest

Sinlaku continues to bring destructive winds, widespread heavy rain/flooding, and storm surge to the Marianas. Showers and severe thunderstorms are expected from the Northeast to the Mid-Mississippi Valley and to the Central/Southern Plains through Thursday. A front will produce late-season snowfall over the Cascades and Northern Rockies and coastal rain over the Northwest Coast through Thursday. Read More >

Hazardous Weather Conditions

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Fair

78°F

26°C

Humidity 54%
Wind Speed W 7 mph
Barometer 30.02 in (1017.7 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 15 Apr 10:56 am EDT
Extended Forecast for

Ashton MD

  • Today

    Today: Sunny, with a high near 91. Southwest wind 7 to 10 mph.

    High: 91 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 69. Southwest wind 3 to 7 mph.

    Low: 69 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 91. Light southwest wind increasing to 5 to 10 mph in the morning.

    High: 91 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A slight chance of showers.  Mostly cloudy, with a low around 69. West wind around 8 mph.  Chance of precipitation is 20%.

    Low: 69 °F

    Slight Chance
    Showers

  • Friday

    Friday: A chance of showers, mainly after 2pm.  Partly sunny, with a high near 82. West wind 6 to 9 mph.  Chance of precipitation is 30%.

    High: 82 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers before 8pm.  Partly cloudy, with a low around 63. Chance of precipitation is 30%.

    Low: 63 °F

    Chance
    Showers then
    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of showers.  Mostly cloudy, with a low around 56. Chance of precipitation is 40%.

    Low: 56 °F

    Chance
    Showers

  • Sunday

    Sunday: Showers likely, mainly after 2pm.  Mostly cloudy, with a high near 67. Chance of precipitation is 60%.

    High: 67 °F

    Showers
    Likely

Detailed Forecast

Today
Sunny, with a high near 91. Southwest wind 7 to 10 mph.
Tonight
Partly cloudy, with a low around 69. Southwest wind 3 to 7 mph.
Thursday
Partly sunny, with a high near 91. Light southwest wind increasing to 5 to 10 mph in the morning.
Thursday Night
A slight chance of showers. Mostly cloudy, with a low around 69. West wind around 8 mph. Chance of precipitation is 20%.
Friday
A chance of showers, mainly after 2pm. Partly sunny, with a high near 82. West wind 6 to 9 mph. Chance of precipitation is 30%.
Friday Night
A chance of showers before 8pm. Partly cloudy, with a low around 63. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 85.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 56. Chance of precipitation is 40%.
Sunday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 67. Chance of precipitation is 60%.
Sunday Night
Showers likely, mainly before 8pm. Partly cloudy, with a low around 41. Chance of precipitation is 60%.
Monday
Sunny, with a high near 56.
Monday Night
Mostly clear, with a low around 37.
Tuesday
Sunny, with a high near 67.
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ABOUT THIS FORECAST

 
Point Forecast:
Ashton MD
 39.13°N 76.98°W (Elev. 449 ft)
10:53 am EDT Apr 15, 2026
11am EDT Apr 15, 2026-6pm EDT Apr 21, 2026
 
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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