Heavy Rain in the Southern U.S.; Winter Storm to Impact the Northern Mid-Atlantic and Interior Northeast

A storm system stretching from the Tennessee Valley to the Gulf Coast will bring a variety of hazards to the Eastern U.S. through Tuesday. On the south side of the system, heavy rain and thunderstorms will persist across the Southern U.S. Further north, a wintry precipitation mix is expected from the Central Appalachians to the interior Northeast through Tuesday. Read More >

Current conditions at

Lawrence Municipal Airport (KLWM)

Lat: 42.71°NLon: 71.13°WElev: 135ft.

Overcast

27°F

-3°C

Humidity 72%
Wind Speed N 5 mph
Barometer 30.19 in (1022.4 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill21°F (-6°C)
Last update 2 Dec 6:54 am EST
Extended Forecast for

Merrimac MA

Winter Weather Advisory December 2, 04:00pm until December 3, 07:00am
Click here for hazard details and duration
Winter Weather Advisory
  • Today

    Today: Snow before 11am, then rain, possibly mixed with snow.  High near 37. Calm wind becoming northeast around 6 mph in the afternoon.  Chance of precipitation is 100%. Total daytime snow accumulation of less than one inch possible.

    High: 37 °F

    Rain/Snow

  • Tonight

    Tonight: Rain and snow before 3am, then a slight chance of snow between 3am and 4am.  Low around 25. Northeast wind 6 to 8 mph becoming northwest after midnight. Winds could gust as high as 24 mph.  Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    Low: 25 °F

    Rain/Snow
    then Chance
    Snow

  • Wednesday

    Wednesday: Mostly sunny, with a high near 36. Northwest wind 3 to 8 mph.

    High: 36 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 24. Calm wind becoming southwest around 6 mph after midnight.

    Low: 24 °F

    Mostly Cloudy

  • Thursday

    Thursday: A slight chance of snow after 2pm.  Mostly cloudy, with a high near 38. Southwest wind 6 to 10 mph, with gusts as high as 22 mph.  Chance of precipitation is 20%.

    High: 38 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 7. Northwest wind 7 to 10 mph, with gusts as high as 23 mph.

    Low: 7 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 25. Southwest wind around 7 mph.

    High: 25 °F

    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 14. Light southwest wind.

    Low: 14 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of rain between 11am and 3pm, then a chance of snow after 3pm.  Mostly cloudy, with a high near 36. Southwest wind 3 to 5 mph.  Chance of precipitation is 30%.

    High: 36 °F

    Chance Rain
    then Chance
    Rain/Snow

Detailed Forecast

Today
Snow before 11am, then rain, possibly mixed with snow. High near 37. Calm wind becoming northeast around 6 mph in the afternoon. Chance of precipitation is 100%. Total daytime snow accumulation of less than one inch possible.
Tonight
Rain and snow before 3am, then a slight chance of snow between 3am and 4am. Low around 25. Northeast wind 6 to 8 mph becoming northwest after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Wednesday
Mostly sunny, with a high near 36. Northwest wind 3 to 8 mph.
Wednesday Night
Mostly cloudy, with a low around 24. Calm wind becoming southwest around 6 mph after midnight.
Thursday
A slight chance of snow after 2pm. Mostly cloudy, with a high near 38. Southwest wind 6 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Thursday Night
Mostly clear, with a low around 7. Northwest wind 7 to 10 mph, with gusts as high as 23 mph.
Friday
Sunny, with a high near 25. Southwest wind around 7 mph.
Friday Night
Mostly cloudy, with a low around 14. Light southwest wind.
Saturday
A chance of rain between 11am and 3pm, then a chance of snow after 3pm. Mostly cloudy, with a high near 36. Southwest wind 3 to 5 mph. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 21. West wind 3 to 6 mph.
Sunday
Mostly sunny, with a high near 35. West wind around 7 mph.
Sunday Night
Partly cloudy, with a low around 11. Northwest wind around 6 mph.
Monday
Mostly sunny, with a high near 25. Northwest wind around 7 mph.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Merrimac MA
 42.84°N 71.01°W (Elev. 135 ft)
12:57 am EST Dec 2, 2025
7am EST Dec 2, 2025-6pm EST Dec 8, 2025
 
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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