Dangerous Heat Builds and Expands; Critical Fire Weather for the Southwest; Severe Thunderstorms for Plains and Midwest

Dangerous to record breaking heat will build across the center of the nation and slowly build eastward this week. Wildfire conditions remain critical for the Southwest and portions of the Great Basin through Monday. For the northern Plains and upper Midwest, severe thunderstorms with the potential for large to very large hail and severe winds are the primary hazards. Read More >

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Mostly Cloudy with Haze

72°F

22°C

Humidity NA
Wind Speed Calm
Barometer 30.04 in (1018.2 mb)
Dewpoint N/A
Visibility 6.00 mi
Last update 28 Jun 9:56 pm EDT
Extended Forecast for

3 Miles W North Potomac MDSimilar City Names

  • Tonight

    Tonight: Patchy fog after midnight.  Otherwise, mostly cloudy, with a low around 67. Calm wind.

    Low: 67 °F

    Partly Cloudy
    then Patchy
    Fog

  • Monday

    Monday: Patchy fog before 10am.  Otherwise, partly sunny, with a high near 86. Calm wind becoming east around 5 mph in the afternoon.

    High: 86 °F

    Patchy Fog
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 67. Light southeast wind.

    Low: 67 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 90. South wind 3 to 7 mph.

    High: 90 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 72. South wind around 7 mph.

    Low: 72 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 96.

    High: 96 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 77.

    Low: 77 °F

    Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 99.

    High: 99 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 78.

    Low: 78 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 67. Calm wind.
Monday
Patchy fog before 10am. Otherwise, partly sunny, with a high near 86. Calm wind becoming east around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 67. Light southeast wind.
Tuesday
Sunny, with a high near 90. South wind 3 to 7 mph.
Tuesday Night
Mostly clear, with a low around 72. South wind around 7 mph.
Wednesday
Sunny, with a high near 96.
Wednesday Night
Clear, with a low around 77.
Thursday
Sunny and hot, with a high near 99.
Thursday Night
Mostly clear, with a low around 78.
Friday
A slight chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 100. Chance of precipitation is 20%.
Friday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 76. Chance of precipitation is 20%.
Independence Day
A chance of showers and thunderstorms. Mostly sunny and hot, with a high near 97. Chance of precipitation is 40%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 74. Chance of precipitation is 40%.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 94. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W North Potomac MDSimilar City Names
 39.1°N 77.31°W (Elev. 348 ft)
7:53 pm EDT Jun 28, 2026
10pm EDT Jun 28, 2026-6pm EDT Jul 5, 2026
 
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Additional Resources

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