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

Hazardous Weather Conditions

Current conditions at

Lawrence Municipal Airport (KLWM)

Lat: 42.71°NLon: 71.13°WElev: 135ft.

Fair

22°F

-6°C

Humidity 48%
Wind Speed Vrbl 5 mph
Barometer 30.64 in (1037.9 mb)
Dewpoint 5°F (-15°C)
Visibility 10.00 mi
Wind Chill15°F (-9°C)
Last update 2 Mar 7:54 pm EST
Extended Forecast for

Merrimac MA

Winter Weather Advisory March 3, 12:00pm until March 4, 07:00am
Click here for hazard details and duration
Winter Weather Advisory

  • Tonight

    Tonight: Clear, with a low around 13. Southwest wind 3 to 5 mph.

    Low: 13 °F

    Clear

  • Tuesday

    Tuesday: Snow, mainly after 2pm. High near 37. Southwest wind 5 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.

    High: 37 °F

    Sunny then
    Snow

  • Tuesday Night

    Tuesday Night: Rain and snow before 1am, then a chance of rain between 1am and 4am. Low around 28. Light and variable wind becoming northeast 5 to 7 mph in the evening. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.

    Low: 28 °F

    Rain/Snow
    then Rain
    Likely

  • Wednesday

    Wednesday: Partly sunny, then gradually becoming sunny, with a high near 53. Light and variable wind becoming west 5 to 7 mph in the morning.

    High: 53 °F

    Becoming
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 27. Calm wind.

    Low: 27 °F

    Partly Cloudy

  • Thursday

    Thursday: A slight chance of snow before 8am, then a chance of rain. Partly sunny, with a high near 45. Calm wind becoming northeast around 5 mph in the afternoon. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 45 °F

    Chance
    Rain/Snow
    then Chance
    Rain

  • Thursday Night

    Thursday Night: Rain likely before 3am, then freezing rain likely. Cloudy, with a low around 30. Northeast wind 3 to 7 mph. Chance of precipitation is 70%.

    Low: 30 °F

    Chance Rain
    then
    Rain/Freezing
    Rain Likely

  • Friday

    Friday: Freezing rain and sleet likely before 8am, then rain and sleet likely between 8am and 1pm, then a chance of rain after 1pm. Cloudy, with a high near 38. Northeast wind around 9 mph. Chance of precipitation is 70%.

    High: 38 °F

    Wintry Mix
    Likely

  • Friday Night

    Friday Night: A chance of rain before 9pm, then a chance of rain after 1am. Cloudy, with a low around 31. Northeast wind around 6 mph becoming calm in the evening. Chance of precipitation is 30%.

    Low: 31 °F

    Chance Rain

Detailed Forecast

Tonight
Clear, with a low around 13. Southwest wind 3 to 5 mph.
Tuesday
Snow, mainly after 2pm. High near 37. Southwest wind 5 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.
Tuesday Night
Rain and snow before 1am, then a chance of rain between 1am and 4am. Low around 28. Light and variable wind becoming northeast 5 to 7 mph in the evening. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.
Wednesday
Partly sunny, then gradually becoming sunny, with a high near 53. Light and variable wind becoming west 5 to 7 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 27. Calm wind.
Thursday
A slight chance of snow before 8am, then a chance of rain. Partly sunny, with a high near 45. Calm wind becoming northeast around 5 mph in the afternoon. Chance of precipitation is 30%. Little or no snow accumulation expected.
Thursday Night
Rain likely before 3am, then freezing rain likely. Cloudy, with a low around 30. Northeast wind 3 to 7 mph. Chance of precipitation is 70%.
Friday
Freezing rain and sleet likely before 8am, then rain and sleet likely between 8am and 1pm, then a chance of rain after 1pm. Cloudy, with a high near 38. Northeast wind around 9 mph. Chance of precipitation is 70%.
Friday Night
A chance of rain before 9pm, then a chance of rain after 1am. Cloudy, with a low around 31. Northeast wind around 6 mph becoming calm in the evening. Chance of precipitation is 30%.
Saturday
A chance of rain before 8am. Mostly cloudy, with a high near 49. Calm wind becoming south around 6 mph in the morning. Chance of precipitation is 30%.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 40. Southwest wind around 7 mph. Chance of precipitation is 40%.
Sunday
A chance of rain. Mostly cloudy, with a high near 58. Southwest wind around 7 mph. Chance of precipitation is 30%.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 37. Southwest wind 3 to 5 mph. Chance of precipitation is 30%.
Monday
Partly sunny, with a high near 57. Southwest wind 6 to 8 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Merrimac MA
 42.84°N 70.99°W (Elev. 98 ft)
Last Update:
5:54 pm EST Mar 2, 2026
Forecast Valid:
8pm EST Mar 2, 2026-6pm EDT Mar 9, 2026
 
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