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

Areas of Dangerous Heat and Heavy Rain with Possible Flooding into this Weekend

Hot temperatures and high humidity are forecast to continue across much of northeast Texas into the mid-Mississippi Valley into this weekend with heat advisories in effect. Heavy to excessive rainfall occurring at times through Saturday could bring areas of flooding across parts of the central Plains into the upper Midwest/Great Lakes, and Four Corners states. Read More >

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

A Few Clouds

72°F

22°C

Humidity 91%
Wind Speed SE 7 mph
Barometer 30.25 in (1025.5 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 17 Sep 8:56 am EDT
Extended Forecast for

Brinklow MD

  • Today

    Today: Scattered showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 87. South wind 3 to 5 mph. Chance of precipitation is 30%.

    High: 87 °F

    Scattered
    Showers then
    Scattered
    T-storms

  • Tonight

    Tonight: Scattered showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 1am. Mostly cloudy, with a low around 69. Light and variable wind. Chance of precipitation is 40%.

    Low: 69 °F

    Scattered
    T-storms then
    Slight Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 82. North wind 7 to 9 mph.

    High: 82 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 61. Northeast wind around 6 mph.

    Low: 61 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 78. Northeast wind around 6 mph becoming southeast in the afternoon.

    High: 78 °F

    Mostly Sunny

  • Saturday Night

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

    Low: 64 °F

    Mostly Cloudy

  • Sunday

    Sunday: A slight chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 82. Chance of precipitation is 70%.

    High: 82 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm before 2am, then a slight chance of showers. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.

    Low: 63 °F

    Showers
    Likely

  • Monday

    Monday: A chance of showers, mainly after 8am. Partly sunny, with a high near 73. Chance of precipitation is 30%.

    High: 73 °F

    Chance
    Showers

Detailed Forecast

Today
Scattered showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 87. South wind 3 to 5 mph. Chance of precipitation is 30%.
Tonight
Scattered showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 1am. Mostly cloudy, with a low around 69. Light and variable wind. Chance of precipitation is 40%.
Friday
Mostly sunny, with a high near 82. North wind 7 to 9 mph.
Friday Night
Mostly clear, with a low around 61. Northeast wind around 6 mph.
Saturday
Mostly sunny, with a high near 78. Northeast wind around 6 mph becoming southeast in the afternoon.
Saturday Night
Mostly cloudy, with a low around 64.
Sunday
A slight chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 82. Chance of precipitation is 70%.
Sunday Night
Showers likely and possibly a thunderstorm before 2am, then a slight chance of showers. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.
Monday
A chance of showers, mainly after 8am. Partly sunny, with a high near 73. Chance of precipitation is 30%.
Monday Night
A chance of showers, with thunderstorms also possible after 2am. Mostly cloudy, with a low around 59. Chance of precipitation is 30%.
Tuesday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 69. Chance of precipitation is 40%.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 57. Chance of precipitation is 40%.
Wednesday
A chance of showers. Mostly cloudy, with a high near 69. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Brinklow MD
 39.2°N 77.03°W (Elev. 449 ft)
Last Update:
7:52 am EDT Sep 17, 2026
Forecast Valid:
9am EDT Sep 17, 2026-6pm EDT Sep 23, 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