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

Severe Thunderstorms and Critical Fire Weather Wednesday

Scattered severe thunderstorms are possible across portions of the northern High Plains Wednesday afternoon and evening. Severe wind gusts are the primary hazard. Gusty winds and low relative humidity will contribute to critical fire weather conditions across parts of the northern Great Plains and Great Basin Wednesday. Read More >

Current conditions at

Carroll County Regional Jack B Poage Field (KDMW)

Lat: 39.61°NLon: 77.01°WElev: 789ft.

Fair

57°F

14°C

Humidity 67%
Wind Speed S 8 mph
Barometer 30.06 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 13 May 12:35 am EDT
Extended Forecast for

Glyndon MD

  • Overnight

    Overnight: Mostly cloudy, with a low around 53. South wind around 9 mph, with gusts as high as 21 mph.

    Low: 53 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 5pm. Partly sunny, with a high near 72. South wind 11 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.

    High: 72 °F

    Mostly Sunny
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms before 2am, then a slight chance of showers between 2am and 3am. Low around 50. South wind 5 to 8 mph becoming northwest after midnight. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 50 °F

    Showers then
    Showers
    Likely

  • Thursday

    Thursday: Increasing clouds, with a high near 62. Northwest wind 9 to 11 mph, with gusts as high as 22 mph.

    High: 62 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 48. Northwest wind 9 to 11 mph, with gusts as high as 21 mph.

    Low: 48 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 53. South wind around 9 mph, with gusts as high as 21 mph.
Wednesday
A chance of showers, with thunderstorms also possible after 5pm. Partly sunny, with a high near 72. South wind 11 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.
Wednesday Night
Showers and thunderstorms before 2am, then a slight chance of showers between 2am and 3am. Low around 50. South wind 5 to 8 mph becoming northwest after midnight. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Increasing clouds, with a high near 62. Northwest wind 9 to 11 mph, with gusts as high as 22 mph.
Thursday Night
Partly cloudy, with a low around 48. Northwest wind 9 to 11 mph, with gusts as high as 21 mph.
Friday
Mostly sunny, with a high near 70.
Friday Night
Partly cloudy, with a low around 53.
Saturday
Mostly sunny, with a high near 82.
Saturday Night
Partly cloudy, with a low around 62.
Sunday
Mostly sunny, with a high near 85.
Sunday Night
Partly cloudy, with a low around 63.
Monday
Sunny, with a high near 89.
Monday Night
Partly cloudy, with a low around 67.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 92. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Glyndon MD
 39.47°N 76.81°W (Elev. 650 ft)
Last Update:
10:53 pm EDT May 12, 2026
Forecast Valid:
12am EDT May 13, 2026-6pm EDT May 19, 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