Tracking a Winter Storm; Unusual Early-Season Heat Wave in the Southwest

A major winter storm will organize across the Northern Plains today and then rapidly strengthen as it moves into the Great Lakes on Sunday. Heavy snow and blowing snow are likely to persist over the Great Lakes into Monday night. Dry and gusty winds will produce a critical fire risk across the central/southern Plains. An early heatwave will begin to intensify over the western U.S. into next week. Read More >

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Fair

43°F

6°C

Humidity 35%
Wind Speed Calm
Barometer 30.32 in (1028.3 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Last update 15 Mar 2:56 am EDT
Extended Forecast for

2 Miles NNW Potomac MD

  • Overnight

    Overnight: Mostly cloudy, with a low around 40. East wind around 7 mph, with gusts as high as 18 mph.

    Low: 40 °F

    Mostly Cloudy

  • Sunday

    Sunday: Increasing clouds, with a high near 59. Southeast wind 8 to 15 mph, with gusts as high as 26 mph.

    High: 59 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Showers, mainly before 5am.  Low around 52. Southeast wind around 14 mph, with gusts as high as 24 mph.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 52 °F

    Showers

  • Monday

    Monday: Showers, with thunderstorms also possible after 11am. Some of the storms could be severe.  High near 72. South wind 14 to 18 mph, with gusts as high as 33 mph.  Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 72 °F

    Severe
    Thunderstorms

  • Monday Night

    Monday Night: Rain showers before 11pm, then rain and snow showers.  Low around 28. West wind 14 to 17 mph, with gusts as high as 28 mph.  Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 28 °F

    Rain/Snow

  • Tuesday

    Tuesday: Mostly sunny, with a high near 38.

    High: 38 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 24.

    Low: 24 °F

    Mostly Clear

  • Wednesday

    Wednesday: Partly sunny, with a high near 40.

    High: 40 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 30.

    Low: 30 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 40. East wind around 7 mph, with gusts as high as 18 mph.
Sunday
Increasing clouds, with a high near 59. Southeast wind 8 to 15 mph, with gusts as high as 26 mph.
Sunday Night
Showers, mainly before 5am. Low around 52. Southeast wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Showers, with thunderstorms also possible after 11am. Some of the storms could be severe. High near 72. South wind 14 to 18 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Monday Night
Rain showers before 11pm, then rain and snow showers. Low around 28. West wind 14 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Tuesday
Mostly sunny, with a high near 38.
Tuesday Night
Mostly clear, with a low around 24.
Wednesday
Partly sunny, with a high near 40.
Wednesday Night
Mostly cloudy, with a low around 30.
Thursday
Partly sunny, with a high near 53.
Thursday Night
Mostly cloudy, with a low around 37.
Friday
Mostly sunny, with a high near 58.
Friday Night
A chance of rain. Mostly cloudy, with a low around 42. Chance of precipitation is 30%.
Saturday
A chance of rain. Partly sunny, with a high near 57. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNW Potomac MD
 39.04°N 77.2°W (Elev. 397 ft)
1:53 am EDT Mar 15, 2026
3am EDT Mar 15, 2026-6pm EDT Mar 21, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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