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

Thunderstorms and Widespread Rainfall Across the Southern Plains

Isolated severe thunderstorms and widespread showers may produce flash flooding across the Southern Plains through Thursday. Numerous instances of flash flooding are expected in south-central Texas, including portions of the Hill Country; and an additional area across eastern Oklahoma into the Ozarks on Thursday. Heavy rainfall and mountain snow will return to southern California on Thursday. Read More >

Current conditions at

Annapolis, United States Naval Academy (KNAK)

Lat: 38.99°NLon: 76.49°WElev: 3ft.

Overcast

44°F

7°C

Humidity 79%
Wind Speed N 3 mph
Barometer 30.25 in (1024.4 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Last update 20 Nov 1:54 am EST
Extended Forecast for

Londontowne MD

  • Overnight

    Overnight: Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 39. North wind around 5 mph.

    Low: 39 °F

    Patchy Fog

  • Thursday

    Thursday: Patchy fog before noon. Otherwise, mostly cloudy, with a high near 49. North wind around 5 mph becoming calm in the morning.

    High: 49 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Thursday Night

    Thursday Night: Cloudy, with a low around 46. Light and variable wind.

    Low: 46 °F

    Cloudy

  • Friday

    Friday: A chance of rain, mainly after 1pm. Cloudy, with a high near 55. South wind 5 to 7 mph. Chance of precipitation is 40%.

    High: 55 °F

    Chance Rain

  • Friday Night

    Friday Night: Rain. Low around 50. South wind 6 to 9 mph becoming north after midnight. Chance of precipitation is 80%.

    Low: 50 °F

    Rain

  • Saturday

    Saturday: A chance of rain before 1pm. Partly sunny, with a high near 54. Chance of precipitation is 40%.

    High: 54 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 38.

    Low: 38 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 51.

    High: 51 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

Detailed Forecast

Overnight
Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 39. North wind around 5 mph.
Thursday
Patchy fog before noon. Otherwise, mostly cloudy, with a high near 49. North wind around 5 mph becoming calm in the morning.
Thursday Night
Cloudy, with a low around 46. Light and variable wind.
Friday
A chance of rain, mainly after 1pm. Cloudy, with a high near 55. South wind 5 to 7 mph. Chance of precipitation is 40%.
Friday Night
Rain. Low around 50. South wind 6 to 9 mph becoming north after midnight. Chance of precipitation is 80%.
Saturday
A chance of rain before 1pm. Partly sunny, with a high near 54. Chance of precipitation is 40%.
Saturday Night
Mostly clear, with a low around 38.
Sunday
Sunny, with a high near 51.
Sunday Night
Mostly clear, with a low around 43.
Monday
Mostly sunny, with a high near 55.
Monday Night
Mostly cloudy, with a low around 46.
Tuesday
A chance of rain. Mostly cloudy, with a high near 55. Chance of precipitation is 30%.
Tuesday Night
Rain likely. Mostly cloudy, with a low around 52. Chance of precipitation is 60%.
Wednesday
A chance of rain. Mostly sunny, with a high near 61. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Londontowne MD
 38.93°N 76.53°W (Elev. 3 ft)
Last Update:
2:30 am EST Nov 20, 2025
Forecast Valid:
2am EST Nov 20, 2025-6pm EST Nov 26, 2025
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

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Chance of Precipitation