Super Typhoon Sinlaku to Impact the Marianas and Guam; Severe Weather Threat from the Southern Plains to the Great Lakes

Super Typhoon Sinlaku will bring destructive winds, widespread heavy rain/flooding, thunderstorms, and coastal impacts to the Marianas Islands into Wednesday. Typhoon conditions are likely over the Northern Mariana Islands. Severe thunderstorms and heavy rain are expected from the Southern Plains to the Great Lakes through Tuesday. Heavy snow is expected in the Pacific Northwest. Read More >

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Fair

71°F

22°C

Humidity 51%
Wind Speed SW 7 mph
Barometer 30.08 in (1019.7 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 13 Apr 9:56 pm EDT
Extended Forecast for

Germantown MD

  • Tonight

    Tonight: Partly cloudy, with a low around 61. West wind around 5 mph becoming calm  after midnight.

    Low: 61 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 87. Calm wind becoming southwest 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 87 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 66. Southwest wind around 6 mph becoming calm  in the evening.

    Low: 66 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 90. Southwest wind 3 to 8 mph.

    High: 90 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 67. Light west wind.

    Low: 67 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 90.

    High: 90 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A chance of showers after 2am.  Mostly cloudy, with a low around 66. Chance of precipitation is 30%.

    Low: 66 °F

    Mostly Cloudy
    then Chance
    Showers

  • Friday

    Friday: A chance of showers before 2pm.  Partly sunny, with a high near 84. Chance of precipitation is 30%.

    High: 84 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 61. West wind around 5 mph becoming calm after midnight.
Tuesday
Mostly sunny, with a high near 87. Calm wind becoming southwest 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.
Tuesday Night
Partly cloudy, with a low around 66. Southwest wind around 6 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 90. Southwest wind 3 to 8 mph.
Wednesday Night
Mostly cloudy, with a low around 67. Light west wind.
Thursday
Partly sunny, with a high near 90.
Thursday Night
A chance of showers after 2am. Mostly cloudy, with a low around 66. Chance of precipitation is 30%.
Friday
A chance of showers before 2pm. Partly sunny, with a high near 84. Chance of precipitation is 30%.
Friday Night
Partly cloudy, with a low around 61.
Saturday
Mostly sunny, with a high near 88.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 62. Chance of precipitation is 30%.
Sunday
A chance of showers. Mostly cloudy, with a high near 78. Chance of precipitation is 50%.
Sunday Night
A chance of showers. Partly cloudy, with a low around 42. Chance of precipitation is 30%.
Monday
Sunny, with a high near 60.
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ABOUT THIS FORECAST

 
Point Forecast:
Germantown MD
 39.18°N 77.26°W (Elev. 489 ft)
7:53 pm EDT Apr 13, 2026
10pm EDT Apr 13, 2026-6pm EDT Apr 20, 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