National Weather Service United States Department of Commerce

Rainfall and mountain snow will continue across the western U.S. into Monday

Heavy precipitation along the west coast will persist with a focus along the Coastal Ranges and Cascades. While not nearly as impressive as recent days, the forecast suggests another 1 to 3 inches of rainfall is possible across this region. Farther inland, moderate to heavy snow is likely over the Wasatch and Colorado Rockies with 1 to 2 foot amounts possible through Monday.
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Hazardous Weather Conditions

Current Conditions

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Alton NH

7 Day Forecast

For More Weather Information:

Gray/Portland, ME Local Forecast Office

Overnight

Chance Snow Chance for Measurable Precipitation 30%

Chance
Snow

Low: 24 °F

Monday

Chance Snow Chance for Measurable Precipitation 30%

Chance
Snow

High: 33 °F

Monday
Night

Chance Snow Chance for Measurable Precipitation 40%

Chance
Snow

Low: 30 °F

Tuesday

Chance Rain/Snow Chance for Measurable Precipitation 50%

Chance
Rain/Snow

High: 40 °F

Tuesday
Night

Rain Likely Chance for Measurable Precipitation 70%

Rain
Likely

Low: 38 °F

Wednesday

Heavy Rain Chance for Measurable Precipitation 100%

Heavy
Rain

High: 49 °F

Wednesday
Night

Heavy Rain Chance for Measurable Precipitation 100%

Heavy
Rain

Low: 44 °F

Christmas
Day

Showers Likely Chance for Measurable Precipitation 70%

Showers
Likely

High: 50 °F

Thursday
Night

Partly Cloudy

Partly
Cloudy

Low: 30 °F

Detailed Forecast

  • Overnight A 30 percent chance of snow showers. Cloudy, with a low around 24. Calm wind.
  • Monday A 30 percent chance of snow showers. Cloudy, with a high near 33. Calm wind becoming northeast around 5 mph.
  • Monday Night A 40 percent chance of snow showers. Cloudy, with a low around 30. Northeast wind around 5 mph becoming calm.
  • Tuesday A chance of snow before 9am, then a chance of rain and snow between 9am and 11am, then a chance of rain after 11am. Cloudy, with a high near 40. East wind around 5 mph. Chance of precipitation is 50%.
  • Tuesday Night Rain likely. Cloudy, with a low around 38. East wind around 5 mph. Chance of precipitation is 70%.
  • Wednesday Rain. The rain could be heavy at times. High near 49. Chance of precipitation is 100%.
  • Wednesday Night Rain. The rain could be heavy at times. Low around 44. Chance of precipitation is 100%.
  • Christmas Day Showers likely. Mostly cloudy, with a high near 50. Chance of precipitation is 70%.
  • Thursday Night Partly cloudy, with a low around 30.
  • Friday Mostly sunny, with a high near 41.
  • Friday Night Mostly cloudy, with a low around 29.
  • Saturday Partly sunny, with a high near 41.
  • Saturday Night Mostly cloudy, with a low around 26.
  • Sunday Partly sunny, with a high near 33.