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

Widespread Winter Weather from Eastern Storm to Wind Down Tonight; Heavy Rainfall to Continue Across the Southeast; Southwest To See More Snow Through Friday

Areas of heavy snow and ice are ongoing from Minnesota into the Mid-Atlantic and Northeast will taper off through tonight as the storm shifts into eastern Canada. To the south, heavy rainfall will continue river flooding and the risk for flash flooding from the Ohio and Mississippi Valleys to the Deep South on and off through this coming weekend. Snow returns to the Southwest with another storm. Read More >

Hazardous Weather Conditions

Current conditions at

Laurence G Hanscom Field Airport (KBED)

Lat: 42.47°NLon: 71.29°WElev: 132ft.

Overcast

28°F

-2°C

Humidity 47%
Wind Speed S 6 mph
Barometer 30.41 in (1031.6 mb)
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Wind Chill21°F (-6°C)
Last update 20 Feb 5:56 pm EST
Extended Forecast for

Chelmsford MASimilar City Names

Winter Weather Advisory February 20, 07:00pm until February 21, 07:00am
Click here for hazard details and duration
Winter Weather Advisory

  • Tonight

    Tonight: Snow before midnight, then snow and sleet between midnight and 2am, then freezing rain and sleet after 2am. Patchy fog between 10pm and 5am. Low around 25. Calm wind becoming southeast around 5 mph. Chance of precipitation is 90%. Total nighttime snow and sleet accumulation of 1 to 3 inches possible.

    Snow and
    Patchy Fog
    then Wintry
    Mix and
    Patchy Fog

    Low: 25 °F

  • Thursday

    Thursday: A chance of freezing rain, mainly before 8am. Patchy fog between 8am and 9am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 47. Calm wind becoming west 5 to 8 mph in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 30%.

    Chance
    Freezing Rain
    and Patchy
    Fog then
    Mostly Sunny

    High: 47 °F

  • Thursday
    Night

    Thursday Night: Partly cloudy, with a low around 28. West wind 5 to 7 mph, with gusts as high as 20 mph.

    Partly Cloudy

    Low: 28 °F

  • Friday

    Friday: Sunny, with a high near 41. Northwest wind around 6 mph.

    Sunny

    High: 41 °F

  • Friday
    Night

    Friday Night: Mostly clear, with a low around 21. Light northwest wind.

    Mostly Clear

    Low: 21 °F

  • Saturday

    Saturday: Mostly sunny, with a high near 41. Light and variable wind.

    Mostly Sunny

    High: 41 °F

  • Saturday
    Night

    Saturday Night: Rain and snow likely between 9pm and 4am, then rain. Low around 32. Calm wind becoming southeast around 5 mph after midnight. Chance of precipitation is 80%.

    Chance
    Rain/Snow
    then
    Rain/Snow

    Low: 32 °F

  • Sunday

    Sunday: Rain, mainly before 4pm. High near 46. East wind around 6 mph becoming light and variable. Chance of precipitation is 90%.

    Rain

    High: 46 °F

  • Sunday
    Night

    Sunday Night: A chance of rain before 10pm. Mostly cloudy, with a low around 32. West wind 7 to 15 mph. Chance of precipitation is 30%.

    Chance Rain
    then Mostly
    Cloudy

    Low: 32 °F

Detailed Forecast

Tonight
Snow before midnight, then snow and sleet between midnight and 2am, then freezing rain and sleet after 2am. Patchy fog between 10pm and 5am. Low around 25. Calm wind becoming southeast around 5 mph. Chance of precipitation is 90%. Total nighttime snow and sleet accumulation of 1 to 3 inches possible.
Thursday
A chance of freezing rain, mainly before 8am. Patchy fog between 8am and 9am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 47. Calm wind becoming west 5 to 8 mph in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 30%.
Thursday Night
Partly cloudy, with a low around 28. West wind 5 to 7 mph, with gusts as high as 20 mph.
Friday
Sunny, with a high near 41. Northwest wind around 6 mph.
Friday Night
Mostly clear, with a low around 21. Light northwest wind.
Saturday
Mostly sunny, with a high near 41. Light and variable wind.
Saturday Night
Rain and snow likely between 9pm and 4am, then rain. Low around 32. Calm wind becoming southeast around 5 mph after midnight. Chance of precipitation is 80%.
Sunday
Rain, mainly before 4pm. High near 46. East wind around 6 mph becoming light and variable. Chance of precipitation is 90%.
Sunday Night
A chance of rain before 10pm. Mostly cloudy, with a low around 32. West wind 7 to 15 mph. Chance of precipitation is 30%.
Monday
Partly sunny, with a high near 39. Breezy, with a west wind 16 to 22 mph, with gusts as high as 39 mph.
Monday Night
Partly cloudy, with a low around 18. West wind 14 to 17 mph, with gusts as high as 32 mph.
Tuesday
Sunny, with a high near 33. Northwest wind 7 to 11 mph, with gusts as high as 21 mph.
Tuesday Night
A chance of snow. Partly cloudy, with a low around 21. Northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Wednesday
A chance of snow. Partly sunny, with a high near 37. West wind 3 to 7 mph. Chance of precipitation is 40%.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Chelmsford MASimilar City Names
 42.6°N 71.37°W (Elev. 285 ft)
Last Update:
3:41 pm EST Feb 20, 2019
Forecast Valid:
6pm EST Feb 20, 2019-6pm EST Feb 27, 2019
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation