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

Severe Storms and Heavy Rain in the Midwest; Heat in Several Locations

Strong to severe thunderstorms with damaging winds, heavy rain, and flash flooding are expected across the central Plains into the Mid Mississippi Valley on Monday, especially Kansas into Missouri. Meanwhile, heat will consume several locations from the Northeast (Boston and New York City), in the Mid to Lower Mississippi Valley (Memphis and St. Louis) and persisting around the Phoenix metro area. Read More >

Hazardous Weather Conditions

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Fair

75°F

24°C

Humidity 94%
Wind Speed Calm
Barometer 30.10 in (1019.9 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Last update 10 Aug 7:56 am EDT
Extended Forecast for

Dayton MD

  • Today

    Today: Isolated showers and thunderstorms after 2pm. Sunny, with a high near 91. Calm wind becoming south 5 to 7 mph in the afternoon. Chance of precipitation is 20%.

    Sunny then
    Isolated
    T-storms

    High: 91 °F

  • Tonight

    Tonight: Mostly clear, with a low around 71. South wind around 6 mph.

    Mostly Clear

    Low: 71 °F

  • Tuesday

    Tuesday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90. South wind 3 to 7 mph. Chance of precipitation is 40%.

    Mostly Sunny
    then Chance
    T-storms

    High: 90 °F

  • Tuesday
    Night

    Tuesday Night: A chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 72. South wind 3 to 6 mph. Chance of precipitation is 30%.

    Chance
    T-storms

    Low: 72 °F

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly after 2pm. Partly sunny, with a high near 89. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 60%.

    Chance
    Showers then
    T-storms
    Likely

    High: 89 °F

  • Wednesday
    Night

    Wednesday Night: Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 72. Chance of precipitation is 60%.

    T-storms
    Likely then
    Chance
    T-storms

    Low: 72 °F

  • Thursday

    Thursday: Showers likely, with thunderstorms also possible after 8am. Partly sunny, with a high near 87. Chance of precipitation is 70%.

    Showers
    Likely

    High: 87 °F

  • Thursday
    Night

    Thursday Night: A chance of showers. Mostly cloudy, with a low around 71. Chance of precipitation is 40%.

    Chance
    Showers

    Low: 71 °F

  • Friday

    Friday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 83. Chance of precipitation is 70%.

    Showers
    Likely

    High: 83 °F

Detailed Forecast

Today
Isolated showers and thunderstorms after 2pm. Sunny, with a high near 91. Calm wind becoming south 5 to 7 mph in the afternoon. Chance of precipitation is 20%.
Tonight
Mostly clear, with a low around 71. South wind around 6 mph.
Tuesday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90. South wind 3 to 7 mph. Chance of precipitation is 40%.
Tuesday Night
A chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 72. South wind 3 to 6 mph. Chance of precipitation is 30%.
Wednesday
Showers and thunderstorms likely, mainly after 2pm. Partly sunny, with a high near 89. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 60%.
Wednesday Night
Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 72. Chance of precipitation is 60%.
Thursday
Showers likely, with thunderstorms also possible after 8am. Partly sunny, with a high near 87. Chance of precipitation is 70%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 71. Chance of precipitation is 40%.
Friday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 83. Chance of precipitation is 70%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 71. Chance of precipitation is 40%.
Saturday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 84. Chance of precipitation is 60%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 70. Chance of precipitation is 30%.
Sunday
A chance of showers. Partly sunny, with a high near 84. Chance of precipitation is 50%.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Dayton MD
 39.24°N 76.99°W (Elev. 568 ft)
Last Update:
7:31 am EDT Aug 10, 2020
Forecast Valid:
8am EDT Aug 10, 2020-6pm EDT Aug 16, 2020
 
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