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

Extreme Heat Continues; Severe Thunderstorms into Upper Midwest; Strong Bering Sea Storm

Wildfires and poor air quality continue for the Pacific Northwest, Rockies and extended into the Plains. Severe thunderstorms possible for the northern Plains and upper Midwest on Monday along a frontal boundary. Another boundary will focus showers and thunderstorms for the eastern seaboard with localized heavy rainfall possible. For Alaska, a strong Bering Sea storm will bring winds and rainfall. Read More >

Hazardous Weather Conditions

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Overcast

73°F

23°C

Humidity NA
Wind Speed SW 5 mph
Barometer 29.78 in (1009.3 mb)
Dewpoint N/A
Visibility 10.00 mi
Last update 3 Aug 5:56 am EDT
Extended Forecast for

4 Miles SE Poolesville MD

  • Today

    Today: A slight chance of showers and thunderstorms before 10am, then a slight chance of showers and thunderstorms after 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 85. South wind 5 to 7 mph becoming northwest in the afternoon. Chance of precipitation is 20%.

    High: 85 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Partly cloudy, with a low around 66. Light north wind.

    Low: 66 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 85. Northeast wind 3 to 5 mph.

    High: 85 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 68. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.

    Low: 68 °F

    Mostly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 86. Calm wind becoming south 5 to 7 mph in the afternoon. Chance of precipitation is 60%.

    High: 86 °F

    Chance
    Showers then
    Showers
    Likely

  • Wednesday Night

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

    Low: 72 °F

    Showers
    Likely then
    Partly Cloudy

  • Thursday

    Thursday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Chance of precipitation is 40%.

    High: 89 °F

    Mostly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 73. Chance of precipitation is 30%.

    Low: 73 °F

    Chance
    T-storms

  • Friday

    Friday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Chance of precipitation is 40%.

    High: 89 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

Today
A slight chance of showers and thunderstorms before 10am, then a slight chance of showers and thunderstorms after 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 85. South wind 5 to 7 mph becoming northwest in the afternoon. Chance of precipitation is 20%.
Tonight
Partly cloudy, with a low around 66. Light north wind.
Tuesday
Partly sunny, with a high near 85. Northeast wind 3 to 5 mph.
Tuesday Night
A chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 68. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Wednesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 86. Calm wind becoming south 5 to 7 mph in the afternoon. Chance of precipitation is 60%.
Wednesday Night
Showers likely and possibly a thunderstorm before 8pm. Mostly cloudy, with a low around 72. Chance of precipitation is 60%.
Thursday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Chance of precipitation is 40%.
Thursday Night
A chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 73. Chance of precipitation is 30%.
Friday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Chance of precipitation is 40%.
Friday Night
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 72. Chance of precipitation is 40%.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 89. Chance of precipitation is 50%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Chance of precipitation is 40%.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 88. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SE Poolesville MD
 39.1°N 77.36°W (Elev. 292 ft)
Last Update:
4:53 am EDT Aug 3, 2026
Forecast Valid:
6am EDT Aug 3, 2026-6pm EDT Aug 9, 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