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Hazardous Weather Conditions

Current conditions at

Lawrence Municipal Airport (KLWM)

Lat: 42.71°NLon: 71.13°WElev: 135ft.

Fair

17°F

-8°C

Humidity 68%
Wind Speed Calm
Barometer 30.15 in (1021.0 mb)
Dewpoint 8°F (-13°C)
Visibility 10.00 mi
Last update 28 Dec 8:54 am EST
Extended Forecast for

Merrimac MA

Winter Weather Advisory December 28, 07:00pm until December 29, 06:00am
Click here for hazard details and duration
Winter Weather Advisory

  • Today

    Today: Mostly sunny, with a high near 33. Southwest wind 3 to 5 mph.

    High: 33 °F

    Mostly Sunny

  • Tonight

    Tonight: Freezing rain likely before 1am, then rain, possibly mixed with freezing rain between 1am and 2am, then rain after 2am. Temperature rising to around 36 by 5am. Calm wind becoming south around 5 mph after midnight. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 28 °F⇑

    Chance
    Freezing Rain
    then
    Rain/Freezing
    Rain

  • Monday

    Monday: Rain. High near 47. South wind around 7 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 47 °F

    Rain

  • Monday Night

    Monday Night: A chance of rain, mainly before 10pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 20. West wind 8 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 20 °F

    Chance Rain
    then Partly
    Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 26. West wind 13 to 15 mph, with gusts as high as 33 mph.

    High: 26 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 17. West wind 8 to 10 mph, with gusts as high as 22 mph.

    Low: 17 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 32. Southwest wind 7 to 10 mph, with gusts as high as 22 mph.

    High: 32 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 18. Southwest wind 6 to 8 mph.

    Low: 18 °F

    Mostly Cloudy

  • New Year's Day

    New Year's Day: A chance of snow after 3pm. Partly sunny, with a high near 27. West wind 7 to 9 mph. Chance of precipitation is 30%.

    High: 27 °F

    Partly Sunny
    then Chance
    Snow

Detailed Forecast

Today
Mostly sunny, with a high near 33. Southwest wind 3 to 5 mph.
Tonight
Freezing rain likely before 1am, then rain, possibly mixed with freezing rain between 1am and 2am, then rain after 2am. Temperature rising to around 36 by 5am. Calm wind becoming south around 5 mph after midnight. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Monday
Rain. High near 47. South wind around 7 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.
Monday Night
A chance of rain, mainly before 10pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 20. West wind 8 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
Partly sunny, with a high near 26. West wind 13 to 15 mph, with gusts as high as 33 mph.
Tuesday Night
Mostly cloudy, with a low around 17. West wind 8 to 10 mph, with gusts as high as 22 mph.
Wednesday
Mostly cloudy, with a high near 32. Southwest wind 7 to 10 mph, with gusts as high as 22 mph.
Wednesday Night
Mostly cloudy, with a low around 18. Southwest wind 6 to 8 mph.
New Year's Day
A chance of snow after 3pm. Partly sunny, with a high near 27. West wind 7 to 9 mph. Chance of precipitation is 30%.
Thursday Night
A chance of snow before 7pm. Partly cloudy, with a low around 13. West wind around 6 mph. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 25. Northwest wind around 7 mph.
Friday Night
Partly cloudy, with a low around 12. West wind around 5 mph.
Saturday
Mostly sunny, with a high near 29. West wind 5 to 7 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Merrimac MA
 42.84°N 71.01°W (Elev. 135 ft)
Last Update:
9:04 am EST Dec 28, 2025
Forecast Valid:
9am EST Dec 28, 2025-6pm EST Jan 3, 2026
 
Forecast Discussion
 
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Additional Resources

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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