National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Laconia, Laconia Municipal Airport (KLCI)

Lat: 43.57°NLon: 71.42°WElev: 545ft.

Fair

-4°F

-20°C

Humidity 79%
Wind Speed SW 3 mph
Barometer 30.05 in (1019.3 mb)
Dewpoint -9°F (-23°C)
Visibility 10.00 mi
Last update 31 Jan 6:56 am EST
Extended Forecast for

Alton Bay NH

Cold Weather Advisory January 31, 06:59am until January 31, 09:00am
Click here for hazard details and duration
...
  •  
    Cold Weather Advisory January 31, 06:59am until January 31, 09:00am

    NOW until 9:00am Sat

    Cold Weather Advisory

  • Today

    High: 17 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around -2. Wind chill values as low as -15. North wind around 5 mph.

    Low: -2 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly cloudy, with a high near 23. Wind chill values as low as -14. North wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 23 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 8. Wind chill values as low as -4. Northwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 8 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 26. Northwest wind around 10 mph.

    High: 26 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 4.

    Low: 4 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 29.

    High: 29 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 6.

    Low: 6 °F

    Partly Cloudy

Detailed Forecast

Today
Sunny, with a high near 17. Wind chill values as low as -16. Calm wind becoming west around 5 mph in the afternoon.
Tonight
Increasing clouds, with a low around -2. Wind chill values as low as -15. North wind around 5 mph.
Sunday
Mostly cloudy, with a high near 23. Wind chill values as low as -14. North wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Mostly cloudy, with a low around 8. Wind chill values as low as -4. Northwest wind around 10 mph, with gusts as high as 20 mph.
Monday
Mostly sunny, with a high near 26. Northwest wind around 10 mph.
Monday Night
Mostly clear, with a low around 4.
Tuesday
Sunny, with a high near 29.
Tuesday Night
Partly cloudy, with a low around 6.
Wednesday
Mostly sunny, with a high near 27.
Wednesday Night
Partly cloudy, with a low around 6.
Thursday
Mostly sunny, with a high near 25.
Thursday Night
Partly cloudy, with a low around 4.
Friday
Mostly sunny, with a high near 25.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Alton Bay NH
 43.48°N 71.22°W (Elev. 889 ft)
Last Update:
12:42 am EST Jan 31, 2026
Forecast Valid:
6am EST Jan 31, 2026-6pm EST Feb 6, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation