National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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

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 CNMI and tropical storm conditions over Guam. Severe thunderstorms and heavy rain are expected from the Southern Plains to the Great Lakes today. Read More >

Hazardous Weather Conditions

Current conditions at

Baltimore, Inner Harbor (KDMH)

Lat: 39.28°NLon: 76.62°WElev: 20ft.

87°F

31°C

Humidity 29%
Wind Speed NA
Barometer 29.98 in (1015.0 mb)
Dewpoint 51°F (11°C)
Visibility NA
Heat Index85°F (29°C)
Last update 14 Apr 1:53 pm EDT
Extended Forecast for

Riderwood MD

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 85. Southwest wind around 9 mph, with gusts as high as 22 mph.

    High: 85 °F

    Mostly Sunny

  • Tonight

    Tonight: A chance of showers and thunderstorms, mainly before 9pm. Partly cloudy, with a low around 65. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.

    Low: 65 °F

    Chance
    Showers then
    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 89. Calm wind becoming west 5 to 8 mph in the morning.

    High: 89 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 69. South wind around 5 mph becoming calm in the evening.

    Low: 69 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 89. Calm wind becoming southwest 5 to 8 mph in the morning.

    High: 89 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A slight chance of showers. Mostly cloudy, with a low around 67. Chance of precipitation is 20%.

    Low: 67 °F

    Slight Chance
    Showers

  • Friday

    Friday: A chance of showers after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 30%.

    High: 82 °F

    Mostly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers before 8pm. Partly cloudy, with a low around 60. Chance of precipitation is 30%.

    Low: 60 °F

    Chance
    Showers then
    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 85. Southwest wind around 9 mph, with gusts as high as 22 mph.
Tonight
A chance of showers and thunderstorms, mainly before 9pm. Partly cloudy, with a low around 65. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Wednesday
Sunny, with a high near 89. Calm wind becoming west 5 to 8 mph in the morning.
Wednesday Night
Mostly cloudy, with a low around 69. South wind around 5 mph becoming calm in the evening.
Thursday
Partly sunny, with a high near 89. Calm wind becoming southwest 5 to 8 mph in the morning.
Thursday Night
A slight chance of showers. Mostly cloudy, with a low around 67. Chance of precipitation is 20%.
Friday
A chance of showers after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 30%.
Friday Night
A chance of showers before 8pm. Partly cloudy, with a low around 60. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 81.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 56. Chance of precipitation is 30%.
Sunday
Showers likely. Mostly cloudy, with a high near 70. Chance of precipitation is 60%.
Sunday Night
Showers likely. Partly cloudy, with a low around 40. Chance of precipitation is 60%.
Monday
Sunny, with a high near 56.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Riderwood MD
 39.43°N 76.61°W (Elev. 348 ft)
Last Update:
2:23 pm EDT Apr 14, 2026
Forecast Valid:
2pm EDT Apr 14, 2026-6pm EDT Apr 20, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation