National Weather Service United States Department of Commerce

Powerful snowstorm, including blizzard conditions, forecast in parts of the Northeast Monday into Tuesday

The clipper system bringing snow to the Ohio Valley and mid-Atlantic Sunday and Monday will transition to a strong nor'easter Monday into Tuesday. Heavy snow and strong wind, even blizzard conditions, are possible in parts of the northern mid-Atlantic and New England. A Blizzard Watch is in effect from coastal New Jersey to Massachusetts. Winter Storm Watches stretch from Delaware to Maine.
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Current Conditions

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Mahopac NY

7 Day Forecast

For More Weather Information:

New York, NY Local Forecast Office

This
Afternoon

Mostly Sunny

Mostly
Sunny

High: 35 °F

Tonight

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

Low: 12 °F

Monday

Snow Likely Chance for Measurable Precipitation 70%

Snow
Likely

High: 22 °F

Monday
Night

Heavy Snow Chance for Measurable Precipitation 90%

Heavy
Snow

Low: 18 °F

Tuesday

Heavy Snow Chance for Measurable Precipitation 80%

Heavy
Snow

High: 25 °F

Tuesday
Night

Chance Snow Chance for Measurable Precipitation 40%

Chance
Snow

Low: 11 °F

Wednesday

Mostly Sunny

Mostly
Sunny

High: 23 °F

Wednesday
Night

Partly Cloudy

Partly
Cloudy

Low: 10 °F

Thursday

Partly Sunny

Partly
Sunny

High: 30 °F

Detailed Forecast

  • This Afternoon Mostly sunny, with a high near 35. Wind chill values between 25 and 30. Northwest wind 9 to 13 mph.
  • Tonight A slight chance of snow after midnight. Increasing clouds, with a low around 12. Wind chill values between 5 and 10. Northwest wind around 6 mph. Chance of precipitation is 20%.
  • Monday Snow likely. Cloudy, with a high near 22. Wind chill values between zero and 10. Northeast wind 7 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.
  • Monday Night Snow. The snow could be heavy at times. Low around 18. Wind chill values between zero and 10. North wind 13 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New snow accumulation of 6 to 10 inches possible.
  • Tuesday Snow. The snow could be heavy at times. High near 25. North wind 16 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New snow accumulation of 5 to 9 inches possible.
  • Tuesday Night A chance of snow before midnight. Mostly cloudy, with a low around 11. Chance of precipitation is 40%.
  • Wednesday Mostly sunny, with a high near 23.
  • Wednesday Night Partly cloudy, with a low around 10.
  • Thursday Partly sunny, with a high near 30.
  • Thursday Night A chance of snow. Mostly cloudy, with a low around 20. Chance of precipitation is 30%.
  • Friday Partly sunny, with a high near 31.
  • Friday Night Partly cloudy, with a low around 9.
  • Saturday Mostly sunny, with a high near 25.