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

Hazardous Weather Conditions

Current conditions at

St. Johnsbury - Fairbanks (K1V4)

Lat: 44.42°NLon: 72.02°WElev: 696ft.

32°F

0°C

Humidity 64%
Wind Speed NA
Barometer 29.98 in (1016.3 mb)
Dewpoint 21°F (-6°C)
Visibility NA
Last update 21 Mar 6:54 pm EDT
Extended Forecast for

Swiftwater NH

Winter Weather Advisory March 21, 11:00pm until March 23, 12:00am
Click here for hazard details and duration
Winter Weather Advisory

  • Tonight

    Tonight: Snow likely, mainly after 5am. Mostly cloudy, with a low around 27. Calm wind. Chance of precipitation is 60%. Total nighttime snow accumulation of around an inch possible.

    Low: 27 °F

    Mostly Cloudy
    then Snow
    Likely

  • Sunday

    Sunday: Rain and snow before 4pm, then rain and snow likely, possibly mixed with sleet between 4pm and 5pm, then rain and snow likely after 5pm. High near 35. Southeast wind around 5 mph. Chance of precipitation is 100%. New snow and sleet accumulation of 1 to 2 inches possible.

    High: 35 °F

    Snow then
    Wintry Mix

  • Sunday Night

    Sunday Night: A 40 percent chance of snow. Cloudy, with a low around 27. Calm wind.

    Low: 27 °F

    Chance Snow

  • Monday

    Monday: A 50 percent chance of snow. Cloudy, with a high near 36. Calm wind becoming north around 5 mph in the afternoon.

    High: 36 °F

    Chance Snow

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 20. Northwest wind around 5 mph becoming calm.

    Low: 20 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 39.

    High: 39 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 24.

    Low: 24 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of snow after 8am. Mostly cloudy, with a high near 38.

    High: 38 °F

    Chance Snow

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 19.

    Low: 19 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Snow likely, mainly after 5am. Mostly cloudy, with a low around 27. Calm wind. Chance of precipitation is 60%. Total nighttime snow accumulation of around an inch possible.
Sunday
Rain and snow before 4pm, then rain and snow likely, possibly mixed with sleet between 4pm and 5pm, then rain and snow likely after 5pm. High near 35. Southeast wind around 5 mph. Chance of precipitation is 100%. New snow and sleet accumulation of 1 to 2 inches possible.
Sunday Night
A 40 percent chance of snow. Cloudy, with a low around 27. Calm wind.
Monday
A 50 percent chance of snow. Cloudy, with a high near 36. Calm wind becoming north around 5 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 20. Northwest wind around 5 mph becoming calm.
Tuesday
Mostly sunny, with a high near 39.
Tuesday Night
Mostly cloudy, with a low around 24.
Wednesday
A 30 percent chance of snow after 8am. Mostly cloudy, with a high near 38.
Wednesday Night
Mostly cloudy, with a low around 19.
Thursday
A chance of snow before 11am, then a chance of rain and snow. Partly sunny, with a high near 43. Chance of precipitation is 40%.
Thursday Night
Rain and snow likely. Mostly cloudy, with a low around 24. Chance of precipitation is 60%.
Friday
A chance of rain and snow. Partly sunny, with a high near 34. Chance of precipitation is 30%.
Friday Night
Partly cloudy, with a low around 12.
Saturday
Mostly sunny, with a high near 33.
Basemap Options
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Swiftwater NH
 44.14°N 71.94°W (Elev. 807 ft)
Last Update:
2:26 pm EDT Mar 21, 2026
Forecast Valid:
7pm EDT Mar 21, 2026-6pm EDT Mar 28, 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