Severe Thunderstorms in the Upper Midwest; Excessive Heat in the Central U.S.

Severe thunderstorms, capable of severe wind (locally exceeding hurricane force), very large hail, flash flooding, and a few tornadoes, are possible late this afternoon into tonight across portions of the of the Upper Midwest into the southern Great Lakes. Excessive heat covers much of the central third of the country and is expected to persist into the weekend over the south-central states. Read More >

Hazardous Weather Conditions

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Fair

84°F

29°C

Humidity 55%
Wind Speed E 3 mph
Barometer 29.98 in (1016.0 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 28 Jul 7:56 pm EDT
Extended Forecast for

Gaithersburg MD

  • Tonight

    Tonight: Scattered showers and thunderstorms, mainly before 1am. Some of the storms could produce small hail and gusty winds.  Mostly cloudy, with a low around 70. East wind 5 to 7 mph becoming calm  after midnight.  Chance of precipitation is 40%.

    Scattered
    T-storms

    Low: 70 °F

  • Thursday

    Thursday: A slight chance of showers and thunderstorms after 3pm.  Partly sunny, with a high near 89. Calm wind becoming southwest 5 to 7 mph in the afternoon.  Chance of precipitation is 20%.

    Partly Sunny
    then Slight
    Chance
    T-storms

    High: 89 °F

  • Thursday
    Night

    Thursday Night: A chance of showers and thunderstorms before 3am.  Mostly cloudy, then gradually becoming mostly clear, with a low around 70. South wind 5 to 7 mph becoming light and variable.  Chance of precipitation is 40%.

    Chance
    T-storms

    Low: 70 °F

  • Friday

    Friday: Sunny, with a high near 85. Northwest wind 7 to 13 mph, with gusts as high as 20 mph.

    Sunny

    High: 85 °F

  • Friday
    Night

    Friday Night: Mostly clear, with a low around 58. North wind 6 to 10 mph.

    Mostly Clear

    Low: 58 °F

  • Saturday

    Saturday: Sunny, with a high near 82.

    Sunny

    High: 82 °F

  • Saturday
    Night

    Saturday Night: Partly cloudy, with a low around 64.

    Partly Cloudy

    Low: 64 °F

  • Sunday

    Sunday: A chance of showers after 9am.  Partly sunny, with a high near 83. Chance of precipitation is 50%.

    Chance
    Showers

    High: 83 °F

  • Sunday
    Night

    Sunday Night: A chance of showers before 9pm.  Partly cloudy, with a low around 62. Chance of precipitation is 50%.

    Chance
    Showers then
    Partly Cloudy

    Low: 62 °F

Detailed Forecast

Tonight
Scattered showers and thunderstorms, mainly before 1am. Some of the storms could produce small hail and gusty winds. Mostly cloudy, with a low around 70. East wind 5 to 7 mph becoming calm after midnight. Chance of precipitation is 40%.
Thursday
A slight chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 89. Calm wind becoming southwest 5 to 7 mph in the afternoon. Chance of precipitation is 20%.
Thursday Night
A chance of showers and thunderstorms before 3am. Mostly cloudy, then gradually becoming mostly clear, with a low around 70. South wind 5 to 7 mph becoming light and variable. Chance of precipitation is 40%.
Friday
Sunny, with a high near 85. Northwest wind 7 to 13 mph, with gusts as high as 20 mph.
Friday Night
Mostly clear, with a low around 58. North wind 6 to 10 mph.
Saturday
Sunny, with a high near 82.
Saturday Night
Partly cloudy, with a low around 64.
Sunday
A chance of showers after 9am. Partly sunny, with a high near 83. Chance of precipitation is 50%.
Sunday Night
A chance of showers before 9pm. Partly cloudy, with a low around 62. Chance of precipitation is 50%.
Monday
Sunny, with a high near 83.
Monday Night
Partly cloudy, with a low around 62.
Tuesday
A chance of showers. Mostly sunny, with a high near 83. Chance of precipitation is 30%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 63. Chance of precipitation is 30%.
Wednesday
Mostly sunny, with a high near 84.
Click Map For Forecast
Point Forecast:
Gaithersburg MD
 39.13°N 77.21°W (Elev. 404 ft)
7:32 pm EDT Jul 28, 2021
8pm EDT Jul 28, 2021-6pm EDT Aug 4, 2021
 
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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