Severe Storms Expected Across Upper Midwest

Strong to severe thunderstorms with damaging winds, large hail, and heavy rain are expected across the Upper Mississippi Valley, which includes the Twin Cities metro area. Meanwhile, heavy rain and thunderstorms may produce flooding across the Mid Mississippi Valley and in the St. Louis metro region. Read More >

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Partly Cloudy with Haze

87°F

31°C

Humidity 59%
Wind Speed Vrbl 3 mph
Barometer 30.13 in (1021.1 mb)
Dewpoint 71°F (22°C)
Visibility 6.00 mi
Heat Index93°F (34°C)
Last update 9 Aug 1:56 pm EDT
Extended Forecast for

Lisbon MDSimilar City Names

  • This
    Afternoon

    This Afternoon: Isolated showers and thunderstorms.  Mostly sunny, with a high near 87. Southwest wind around 5 mph.  Chance of precipitation is 20%.

    Isolated
    T-storms

    High: 87 °F

  • Tonight

    Tonight: Patchy fog after 2am.  Otherwise, mostly clear, with a low around 70. South wind 3 to 5 mph.

    Mostly Clear
    then Patchy
    Fog

    Low: 70 °F

  • Monday

    Monday: Patchy fog before 8am.  Otherwise, mostly sunny, with a high near 91. Calm wind becoming south 5 to 7 mph in the afternoon.

    Patchy Fog
    then Mostly
    Sunny

    High: 91 °F

  • Monday
    Night

    Monday Night: Partly cloudy, with a low around 71. South wind 3 to 6 mph.

    Partly Cloudy

    Low: 71 °F

  • Tuesday

    Tuesday: A chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 91. Calm wind becoming south 5 to 7 mph in the morning.  Chance of precipitation is 30%.

    Mostly Sunny
    then Chance
    T-storms

    High: 91 °F

  • Tuesday
    Night

    Tuesday Night: A chance of showers and thunderstorms, mainly before 8pm.  Partly cloudy, with a low around 71. Chance of precipitation is 30%.

    Chance
    T-storms

    Low: 71 °F

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 8am.  Mostly sunny, with a high near 88. Chance of precipitation is 50%.

    Chance
    T-storms

    High: 88 °F

  • Wednesday
    Night

    Wednesday Night: A chance of showers.  Mostly cloudy, with a low around 71. Chance of precipitation is 30%.

    Chance
    Showers

    Low: 71 °F

  • Thursday

    Thursday: Showers and thunderstorms likely.  Partly sunny, with a high near 87. Chance of precipitation is 60%.

    T-storms
    Likely

    High: 87 °F

Detailed Forecast

This Afternoon
Isolated showers and thunderstorms. Mostly sunny, with a high near 87. Southwest wind around 5 mph. Chance of precipitation is 20%.
Tonight
Patchy fog after 2am. Otherwise, mostly clear, with a low around 70. South wind 3 to 5 mph.
Monday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 91. Calm wind becoming south 5 to 7 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 71. South wind 3 to 6 mph.
Tuesday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91. Calm wind becoming south 5 to 7 mph in the morning. Chance of precipitation is 30%.
Tuesday Night
A chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 71. Chance of precipitation is 30%.
Wednesday
A chance of showers, with thunderstorms also possible after 8am. Mostly sunny, with a high near 88. Chance of precipitation is 50%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 71. Chance of precipitation is 30%.
Thursday
Showers and thunderstorms likely. Partly sunny, with a high near 87. Chance of precipitation is 60%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 70. Chance of precipitation is 30%.
Friday
Showers and thunderstorms likely. Partly sunny, with a high near 86. Chance of precipitation is 60%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 70. Chance of precipitation is 30%.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 84. Chance of precipitation is 50%.
Click Map For Forecast
Point Forecast:
Lisbon MDSimilar City Names
 39.34°N 77.06°W (Elev. 551 ft)
1:32 pm EDT Aug 9, 2020
2pm EDT Aug 9, 2020-6pm EDT Aug 15, 2020
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database