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

Tracking Weekend Storm Impacts

A storm and trailing cold front will continue to slowly move through the Gulf Coast and Southeast U.S. through this weekend with widespread rain showers and isolated thunderstorms. A fast-moving clipper storm may bring several inches of snow to the north-central Plains, Midwest, eastern Great Lakes, and Northeast regions this weekend. Read More >

Current conditions at

Lawrence Municipal Airport (KLWM)

Lat: 42.71°NLon: 71.13°WElev: 135ft.

Overcast

26°F

-3°C

Humidity 66%
Wind Speed Calm
Barometer 29.96 in (1014.6 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Last update 6 Dec 3:54 am EST
Extended Forecast for

Merrimac MA

  • Today

    Today: A slight chance of snow between 8am and noon. Mostly cloudy, with a high near 36. Light and variable wind. Chance of precipitation is 20%.

    High: 36 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Tonight

    Tonight: Partly cloudy, with a low around 21. Calm wind becoming west around 5 mph after midnight.

    Low: 21 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 35. Northwest wind around 6 mph becoming calm in the afternoon.

    High: 35 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A chance of snow, mainly after 10pm. Cloudy, then gradually becoming partly cloudy, with a low around 17. Calm wind becoming northwest around 6 mph after midnight. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 17 °F

    Chance Snow

  • Monday

    Monday: A slight chance of snow before 8am. Sunny, with a high near 23. Northwest wind 8 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.

    High: 23 °F

    Slight Chance
    Snow then
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 5. West wind around 6 mph.

    Low: 5 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 30. West wind 5 to 7 mph becoming south in the afternoon.

    High: 30 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A chance of snow between 9pm and 1am. Mostly cloudy, with a low around 23. Southwest wind around 6 mph. Chance of precipitation is 30%.

    Low: 23 °F

    Chance Snow

  • Wednesday

    Wednesday: A chance of rain after 1pm. Mostly cloudy, with a high near 42. South wind around 6 mph. Chance of precipitation is 40%.

    High: 42 °F

    Mostly Cloudy
    then Chance
    Rain

Detailed Forecast

Today
A slight chance of snow between 8am and noon. Mostly cloudy, with a high near 36. Light and variable wind. Chance of precipitation is 20%.
Tonight
Partly cloudy, with a low around 21. Calm wind becoming west around 5 mph after midnight.
Sunday
Partly sunny, with a high near 35. Northwest wind around 6 mph becoming calm in the afternoon.
Sunday Night
A chance of snow, mainly after 10pm. Cloudy, then gradually becoming partly cloudy, with a low around 17. Calm wind becoming northwest around 6 mph after midnight. Chance of precipitation is 30%. Little or no snow accumulation expected.
Monday
A slight chance of snow before 8am. Sunny, with a high near 23. Northwest wind 8 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
Monday Night
Partly cloudy, with a low around 5. West wind around 6 mph.
Tuesday
Partly sunny, with a high near 30. West wind 5 to 7 mph becoming south in the afternoon.
Tuesday Night
A chance of snow between 9pm and 1am. Mostly cloudy, with a low around 23. Southwest wind around 6 mph. Chance of precipitation is 30%.
Wednesday
A chance of rain after 1pm. Mostly cloudy, with a high near 42. South wind around 6 mph. Chance of precipitation is 40%.
Wednesday Night
Rain likely before 5am, then a chance of snow. Mostly cloudy, with a low around 30. Southwest wind around 6 mph. Chance of precipitation is 60%.
Thursday
A chance of rain and snow. Partly sunny, with a high near 39. West wind around 8 mph. Chance of precipitation is 40%.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 18. West wind around 6 mph. Chance of precipitation is 30%.
Friday
A chance of snow. Partly sunny, with a high near 32. West wind around 8 mph. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Merrimac MA
 42.84°N 70.99°W (Elev. 98 ft)
Last Update:
1:35 am EST Dec 6, 2025
Forecast Valid:
4am EST Dec 6, 2025-6pm EST Dec 12, 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