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

Chicopee Falls / Westover Air Force Base (KCEF)

Lat: 42.2°NLon: 72.53°WElev: 246ft.

Fair

2°F

-17°C

Humidity 81%
Wind Speed NE 5 mph
Barometer 30.22 in (1024.2 mb)
Dewpoint -2°F (-19°C)
Visibility 10.00 mi
Wind Chill-8°F (-22°C)
Last update 9 Dec 1:55 am EST
Extended Forecast for

2 Miles ENE Chicopee Falls / Westover Air Force Base MA

  • Overnight

    Overnight: Mostly clear, with a low around 2. Calm wind.

    Low: 2 °F

    Mostly Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 28. Calm wind becoming south 5 to 8 mph in the afternoon.

    High: 28 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: A chance of snow showers, mainly before 11pm.  Mostly cloudy, with a low around 20. South wind 8 to 11 mph.  Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    Low: 20 °F

    Chance Snow
    Showers then
    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of snow before 10am, then rain.  High near 41. South wind 6 to 14 mph, with gusts as high as 24 mph.  Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 41 °F

    Chance
    Rain/Snow
    then Rain

  • Wednesday Night

    Wednesday Night: Rain and snow showers likely before 1am, then a slight chance of rain showers between 1am and 4am.  Mostly cloudy, with a low around 28. Breezy, with a southwest wind 10 to 20 mph becoming west after midnight.  Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 28 °F

    Rain/Snow
    Likely then
    Chance
    Rain/Snow and
    Breezy

  • Thursday

    Thursday: A slight chance of snow showers.  Partly sunny, with a high near 32. Breezy, with a west wind 14 to 20 mph, with gusts as high as 34 mph.  Chance of precipitation is 20%.

    High: 32 °F

    Slight Chance
    Snow Showers
    and Breezy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 19. Breezy, with a west wind 17 to 22 mph decreasing to 7 to 12 mph after midnight.

    Low: 19 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 32. West wind 8 to 13 mph, with gusts as high as 25 mph.

    High: 32 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of snow showers after 3am.  Mostly cloudy, with a low around 18. Southwest wind around 6 mph.  Chance of precipitation is 30%.

    Low: 18 °F

    Partly Cloudy
    then Chance
    Snow Showers

Detailed Forecast

Overnight
Mostly clear, with a low around 2. Calm wind.
Tuesday
Increasing clouds, with a high near 28. Calm wind becoming south 5 to 8 mph in the afternoon.
Tuesday Night
A chance of snow showers, mainly before 11pm. Mostly cloudy, with a low around 20. South wind 8 to 11 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Wednesday
A chance of snow before 10am, then rain. High near 41. South wind 6 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Wednesday Night
Rain and snow showers likely before 1am, then a slight chance of rain showers between 1am and 4am. Mostly cloudy, with a low around 28. Breezy, with a southwest wind 10 to 20 mph becoming west after midnight. Chance of precipitation is 60%. Little or no snow accumulation expected.
Thursday
A slight chance of snow showers. Partly sunny, with a high near 32. Breezy, with a west wind 14 to 20 mph, with gusts as high as 34 mph. Chance of precipitation is 20%.
Thursday Night
Mostly cloudy, with a low around 19. Breezy, with a west wind 17 to 22 mph decreasing to 7 to 12 mph after midnight.
Friday
Mostly sunny, with a high near 32. West wind 8 to 13 mph, with gusts as high as 25 mph.
Friday Night
A chance of snow showers after 3am. Mostly cloudy, with a low around 18. Southwest wind around 6 mph. Chance of precipitation is 30%.
Saturday
Partly sunny, with a high near 35. Southwest wind 5 to 10 mph, with gusts as high as 22 mph.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 20. West wind around 7 mph. Chance of precipitation is 40%.
Sunday
A chance of snow. Partly sunny, with a high near 30. Northwest wind 7 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 40%.
Sunday Night
Partly cloudy, with a low around 10. Northwest wind 7 to 9 mph.
Monday
Mostly sunny, with a high near 25. Northwest wind 6 to 10 mph, with gusts as high as 20 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Chicopee Falls / Westover Air Force Base MA
 42.21°N 72.51°W (Elev. 276 ft)
2:39 am EST Dec 9, 2025
2am EST Dec 9, 2025-6pm EST Dec 15, 2025
 
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Additional Resources

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