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

Severe Thunderstorms in the Southern Plains; Heavy to Excessive Rainfall in South Central Texas

Widespread rain may produce flash flooding across the Southern Plains into the Ozarks today. Numerous instances of flash flooding are expected in south-central Texas, including the Hill Country. There will also be a risk of isolated severe thunderstorms across the southern Plains today, where an instance or two of severe wind, hail, or a brief tornado may occur. Read More >

Current conditions at

Patuxent River, Naval Air Station (KNHK)

Lat: 38.28°NLon: 76.41°WElev: 39ft.

Overcast

49°F

9°C

Humidity 66%
Wind Speed E 5 mph
Barometer 30.20 in (1022.6 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Wind Chill47°F (8°C)
Last update 20 Nov 11:52 am EST
Extended Forecast for

2 Miles NNE Mechanicsville MD

  • This Afternoon

    This Afternoon: Cloudy, with a high near 50. Calm wind.

    High: 50 °F

    Cloudy

  • Tonight

    Tonight: Cloudy, with a low around 43. Calm wind.

    Low: 43 °F

    Cloudy

  • Friday

    Friday: A chance of rain, mainly after 1pm. Cloudy, with a high near 58. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 40%.

    High: 58 °F

    Chance Rain

  • Friday Night

    Friday Night: Rain. Low around 48. Light and variable wind becoming west around 6 mph after midnight. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 48 °F

    Rain

  • Saturday

    Saturday: A chance of rain before 1pm. Partly sunny, with a high near 59. North wind 7 to 10 mph. Chance of precipitation is 40%.

    High: 59 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 34.

    Low: 34 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 54.

    High: 54 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Cloudy, with a high near 50. Calm wind.
Tonight
Cloudy, with a low around 43. Calm wind.
Friday
A chance of rain, mainly after 1pm. Cloudy, with a high near 58. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 40%.
Friday Night
Rain. Low around 48. Light and variable wind becoming west around 6 mph after midnight. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
A chance of rain before 1pm. Partly sunny, with a high near 59. North wind 7 to 10 mph. Chance of precipitation is 40%.
Saturday Night
Mostly clear, with a low around 34.
Sunday
Sunny, with a high near 54.
Sunday Night
Mostly clear, with a low around 39.
Monday
Mostly sunny, with a high near 60.
Monday Night
Mostly cloudy, with a low around 42.
Tuesday
A chance of rain. Mostly cloudy, with a high near 59. Chance of precipitation is 30%.
Tuesday Night
Rain likely. Mostly cloudy, with a low around 49. Chance of precipitation is 60%.
Wednesday
A chance of rain. Mostly sunny, with a high near 66. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNE Mechanicsville MD
 38.45°N 76.73°W (Elev. 66 ft)
Last Update:
9:53 am EST Nov 20, 2025
Forecast Valid:
12pm EST Nov 20, 2025-6pm EST Nov 26, 2025
 
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