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Hazardous Weather Conditions

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Fair

26°C

78°F

Humidity 71%
Wind Speed SE 6 km/h
Barometer 1020.6 mb (30.12 in)
Dewpoint 20°C (68°F)
Visibility 16 km
Heat Index27°C (80°F)
Last update 22 Jun 1:56 am EDT
Extended Forecast for

Brookeville MD

Heat Advisory June 22, 11:00am until June 22, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Overnight

    Overnight: Mostly clear, with a low around 23. Calm wind.

    Low: 23 °C

    Mostly Clear

  • Saturday

    Saturday: Isolated showers and thunderstorms after 2pm. Sunny and hot, with a high near 38. Heat index values as high as 42. Southwest wind 5 to 10 km/h. Chance of precipitation is 20%.

    High: 38 °C

    Sunny then
    Isolated
    T-storms

  • Saturday Night

    Saturday Night: Isolated showers and thunderstorms before 11pm. Partly cloudy, with a low around 25. Southeast wind 8 to 11 km/h. Chance of precipitation is 20%.

    Low: 25 °C

    Isolated
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: A chance of showers and thunderstorms after 2pm. Increasing clouds and hot, with a high near 36. Heat index values as high as 39. Southwest wind 11 to 16 km/h, with gusts as high as 29 km/h. Chance of precipitation is 40%.

    High: 36 °C

    Mostly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 23. Southwest wind 10 to 13 km/h. Chance of precipitation is 60%.

    Low: 23 °C

    Showers
    Likely

  • Monday

    Monday: A chance of showers and thunderstorms, mainly after 2pm. Sunny, with a high near 32. Chance of precipitation is 30%.

    High: 32 °C

    Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers before 8pm. Mostly clear, with a low around 20. Chance of precipitation is 30%.

    Low: 20 °C

    Chance
    Showers then
    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 32.

    High: 32 °C

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 21.

    Low: 21 °C

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 23. Calm wind.
Saturday
Isolated showers and thunderstorms after 2pm. Sunny and hot, with a high near 38. Heat index values as high as 42. Southwest wind 5 to 10 km/h. Chance of precipitation is 20%.
Saturday Night
Isolated showers and thunderstorms before 11pm. Partly cloudy, with a low around 25. Southeast wind 8 to 11 km/h. Chance of precipitation is 20%.
Sunday
A chance of showers and thunderstorms after 2pm. Increasing clouds and hot, with a high near 36. Heat index values as high as 39. Southwest wind 11 to 16 km/h, with gusts as high as 29 km/h. Chance of precipitation is 40%.
Sunday Night
A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 23. Southwest wind 10 to 13 km/h. Chance of precipitation is 60%.
Monday
A chance of showers and thunderstorms, mainly after 2pm. Sunny, with a high near 32. Chance of precipitation is 30%.
Monday Night
A chance of showers before 8pm. Mostly clear, with a low around 20. Chance of precipitation is 30%.
Tuesday
Sunny, with a high near 32.
Tuesday Night
Partly cloudy, with a low around 21.
Wednesday
A chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 36. Chance of precipitation is 30%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 22. Chance of precipitation is 50%.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 31. Chance of precipitation is 30%.
Thursday Night
A chance of thunderstorms. Mostly clear, with a low around 19. Chance of precipitation is 30%.
Friday
Sunny, with a high near 31.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Brookeville MD
 39.16°N 77.06°W (Elev. 486 m)
Last Update:
1:30 am EDT Jun 22, 2024
Forecast Valid:
2am EDT Jun 22, 2024-6pm EDT Jun 28, 2024
 
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