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

Monticello, Sullivan County International Airport (KMSV)

Lat: 41.7°NLon: 74.8°WElev: 1404ft.

Fair

18°F

-8°C

Humidity 92%
Wind Speed Calm
Barometer 30.02 in (1018.2 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Last update 15 Feb 12:56 am EST
Extended Forecast for

4 Miles SSW Big Indian NY

  • Overnight

    Overnight: Partly cloudy, with a low around 18. Northwest wind around 8 mph.

    Low: 18 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 33. Northwest wind around 6 mph becoming south in the afternoon.

    High: 33 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A chance of snow showers, mainly between 10pm and 4am. Cloudy, with a low around 21. South wind around 7 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    Low: 21 °F

    Chance Snow
    Showers

  • Washington's Birthday

    Washington's Birthday: Mostly cloudy, with a high near 34. South wind around 5 mph.

    High: 34 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: A slight chance of snow showers after 1am. Mostly cloudy, with a low around 26. Southwest wind around 7 mph. Chance of precipitation is 20%.

    Low: 26 °F

    Mostly Cloudy
    then Slight
    Chance Snow
    Showers

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 40.

    High: 40 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 23.

    Low: 23 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of rain before 1pm, then rain and snow. High near 34. Chance of precipitation is 90%.

    High: 34 °F

    Chance Rain
    then
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Rain and snow, mainly before 1am. Low around 27. Chance of precipitation is 80%.

    Low: 27 °F

    Rain/Snow

Detailed Forecast

Overnight
Partly cloudy, with a low around 18. Northwest wind around 8 mph.
Sunday
Mostly sunny, with a high near 33. Northwest wind around 6 mph becoming south in the afternoon.
Sunday Night
A chance of snow showers, mainly between 10pm and 4am. Cloudy, with a low around 21. South wind around 7 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Washington's Birthday
Mostly cloudy, with a high near 34. South wind around 5 mph.
Monday Night
A slight chance of snow showers after 1am. Mostly cloudy, with a low around 26. Southwest wind around 7 mph. Chance of precipitation is 20%.
Tuesday
Mostly cloudy, with a high near 40.
Tuesday Night
Mostly cloudy, with a low around 23.
Wednesday
A chance of rain before 1pm, then rain and snow. High near 34. Chance of precipitation is 90%.
Wednesday Night
Rain and snow, mainly before 1am. Low around 27. Chance of precipitation is 80%.
Thursday
A chance of snow. Mostly cloudy, with a high near 36. Chance of precipitation is 30%.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 25. Chance of precipitation is 40%.
Friday
Rain and snow likely. Mostly cloudy, with a high near 34. Chance of precipitation is 70%.
Friday Night
A chance of snow. Mostly cloudy, with a low around 23. Chance of precipitation is 50%.
Saturday
A chance of snow. Mostly cloudy, with a high near 30. Chance of precipitation is 50%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Big Indian NY
 42.03°N 74.48°W (Elev. 3012 ft)
Last Update:
12:54 am EST Feb 15, 2026
Forecast Valid:
1am EST Feb 15, 2026-6pm EST Feb 21, 2026
 
Forecast Discussion
 
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Additional Resources

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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