Severe Thunderstorms in Portions of the Mississippi Valley and Great Lakes

A few severe thunderstorms with large hail, are expected across parts of the middle and upper Mississippi River Valley tonight through early morning. Snow and a wintry mix overnight in the Upper Midwest into the Great Lakes can cause hazardous travel conditions. Fire weather concerns continue for a large portion of the central and southern High Plains and Four Corners region this evening. Read More >

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Fair

62°F

17°C

Humidity 65%
Wind Speed SW 7 mph
Barometer 30.10 in (1020.5 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 31 Mar 3:56 am EDT
Extended Forecast for

Gaithersburg MD

  • Today

    Today: Mostly sunny, with a high near 81. Southwest wind 10 to 14 mph, with gusts as high as 23 mph.

    High: 81 °F

    Mostly Sunny

  • Tonight

    Tonight: Isolated showers between 2am and 3am.  Partly cloudy, with a low around 64. Southwest wind around 10 mph, with gusts as high as 22 mph.  Chance of precipitation is 20%.

    Low: 64 °F

    Partly Cloudy
    then Isolated
    Showers

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm after 2pm.  Partly sunny, with a high near 84. Southwest wind around 9 mph, with gusts as high as 18 mph.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 84 °F

    Mostly Sunny
    then Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a low around 61. Southwest wind around 6 mph becoming southeast after midnight.  Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 61 °F

    Showers
    Likely

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 5pm.  Partly sunny, with a high near 74. Southeast wind 6 to 9 mph.  Chance of precipitation is 40%.

    High: 74 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 8pm.  Mostly cloudy, with a low around 58. Chance of precipitation is 30%.

    Low: 58 °F

    Chance
    Showers then
    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 79.

    High: 79 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 62.

    Low: 62 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of showers after 2pm.  Partly sunny, with a high near 83. Chance of precipitation is 40%.

    High: 83 °F

    Mostly Sunny
    then Chance
    Showers

Detailed Forecast

Today
Mostly sunny, with a high near 81. Southwest wind 10 to 14 mph, with gusts as high as 23 mph.
Tonight
Isolated showers between 2am and 3am. Partly cloudy, with a low around 64. Southwest wind around 10 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Wednesday
Showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 84. Southwest wind around 9 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 61. Southwest wind around 6 mph becoming southeast after midnight. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of showers, with thunderstorms also possible after 5pm. Partly sunny, with a high near 74. Southeast wind 6 to 9 mph. Chance of precipitation is 40%.
Thursday Night
A chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 58. Chance of precipitation is 30%.
Friday
Partly sunny, with a high near 79.
Friday Night
Mostly cloudy, with a low around 62.
Saturday
A chance of showers after 2pm. Partly sunny, with a high near 83. Chance of precipitation is 40%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 64. Chance of precipitation is 30%.
Sunday
Showers likely. Partly sunny, with a high near 76. Chance of precipitation is 60%.
Sunday Night
Showers likely. Mostly cloudy, with a low around 46. Chance of precipitation is 60%.
Monday
A chance of showers. Partly sunny, with a high near 60. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Gaithersburg MD
 39.15°N 77.21°W (Elev. 443 ft)
3:35 am EDT Mar 31, 2026
4am EDT Mar 31, 2026-6pm EDT Apr 6, 2026
 
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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