Prolonged Atmospheric River in the Northwest; Snow in the North-Central US

A prolonged atmospheric river will bring heavy rainfall which may lead to widespread urban and river flooding, heavy mountain snow, along with gusty winds to the Pacific Northwest into the northern Rockies through much of the week. A clipper will bring a period of snow across the upper Midwest and the Great Lakes into Tuesday, before a stronger system bring more wintry impacts. Read More >

Current conditions at

Norwood, Norwood Memorial Airport (KOWD)

Lat: 42.19°NLon: 71.17°WElev: 49ft.

Fair

16°F

-9°C

Humidity 47%
Wind Speed Calm
Barometer 30.29 in (1025.7 mb)
Dewpoint -1°F (-18°C)
Visibility 10.00 mi
Last update 8 Dec 8:53 pm EST
Extended Forecast for

Holliston MA

  • Tonight

    Tonight: Mostly clear, with a low around 6. Light northwest wind.

    Low: 6 °F

    Mostly Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 29. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 29 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: A chance of snow, mainly before 1am.  Mostly cloudy, with a low around 24. South wind around 8 mph.  Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    Low: 24 °F

    Chance Snow

  • Wednesday

    Wednesday: A slight chance of snow before 9am, then rain likely.  Mostly cloudy, with a high near 44. Southwest wind around 8 mph, with gusts as high as 20 mph.  Chance of precipitation is 70%. Little or no snow accumulation expected.

    High: 44 °F

    Chance
    Rain/Snow
    then Rain
    Likely

  • Wednesday Night

    Wednesday Night: Rain likely, mainly before 3am.  Mostly cloudy, with a low around 32. Southwest wind 6 to 8 mph.  Chance of precipitation is 60%.

    Low: 32 °F

    Rain Likely

  • Thursday

    Thursday: Mostly sunny, with a high near 38. West wind 7 to 9 mph, with gusts as high as 21 mph.

    High: 38 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 22. West wind around 6 mph.

    Low: 22 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 32. West wind 6 to 9 mph, with gusts as high as 20 mph.

    High: 32 °F

    Sunny

  • Friday Night

    Friday Night: A chance of snow after 1am.  Mostly cloudy, with a low around 22. West wind around 5 mph.  Chance of precipitation is 30%.

    Low: 22 °F

    Partly Cloudy
    then Chance
    Snow

Detailed Forecast

Tonight
Mostly clear, with a low around 6. Light northwest wind.
Tuesday
Increasing clouds, with a high near 29. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Tuesday Night
A chance of snow, mainly before 1am. Mostly cloudy, with a low around 24. South wind around 8 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Wednesday
A slight chance of snow before 9am, then rain likely. Mostly cloudy, with a high near 44. Southwest wind around 8 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Wednesday Night
Rain likely, mainly before 3am. Mostly cloudy, with a low around 32. Southwest wind 6 to 8 mph. Chance of precipitation is 60%.
Thursday
Mostly sunny, with a high near 38. West wind 7 to 9 mph, with gusts as high as 21 mph.
Thursday Night
Partly cloudy, with a low around 22. West wind around 6 mph.
Friday
Sunny, with a high near 32. West wind 6 to 9 mph, with gusts as high as 20 mph.
Friday Night
A chance of snow after 1am. Mostly cloudy, with a low around 22. West wind around 5 mph. Chance of precipitation is 30%.
Saturday
A chance of snow before 3pm. Partly sunny, with a high near 33. West wind 6 to 8 mph. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 19. West wind around 7 mph.
Sunday
Mostly sunny, with a high near 28. West wind 7 to 9 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 14. Northwest wind around 6 mph.
Monday
Sunny, with a high near 28. Northwest wind around 7 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Holliston MA
 42.19°N 71.44°W (Elev. 240 ft)
12:46 pm EST Dec 8, 2025
9pm EST Dec 8, 2025-6pm EST Dec 15, 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