Hourly Weather Forecast - Alton, NH

12 AM
21°F
30%
8mph
NNW
30% Chance Snow Showers
Humidity
79%
Feels like
11°F
Dew Point
15°F
1 AM
20°F
20%
7mph
NNW
Partly Cloudy
Humidity
78%
Feels like
11°F
Dew Point
14°F
2 AM
19°F
20%
7mph
NNW
Partly Cloudy
Humidity
77%
Feels like
10°F
Dew Point
13°F

Rain And Snow Totals Through Monday

Atmospheric River Impacts Northern California

The plume of abundant moisture impacting the Northwest the last several days will focus more on Northern California through Monday bringing heavy rainfall and mountain snow.

NOAA, NCDC

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Today's Weather Outlook

Today's Weather Outlook

Cold weather

During Extreme Cold: Watch for Frostbite!

Flu Update Valid For Week Ending December 13, 2025

Weekly Flu Update: Flu Spreading Hard Across U.S.

Watch vs. Warning

Flash Flood Watch and Warning Defined

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