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.

Unknown Precip Fog/Mist

34°F

1°C

Humidity 100%
Wind Speed Calm
Barometer 29.32 in (993.6 mb)
Dewpoint 34°F (1°C)
Visibility 3.00 mi
Last update 15 Jan 1:56 am EST
Extended Forecast for

4 Miles WSW Big Indian NY

  • Overnight

    Overnight: Snow likely, possibly mixed with rain before 5am, then a chance of snow. Cloudy, with a low around 30. South wind around 8 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 30 °F

    Rain/Snow
    Likely

  • Thursday

    Thursday: A chance of rain and snow showers before 8am, then a slight chance of snow showers between 8am and 9am. Mostly cloudy, with a temperature falling to around 16 by 5pm. Wind chill values as low as zero. West wind 9 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    High: 33 °F⇓

    Chance
    Rain/Snow
    then Partly
    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 5. Wind chill values as low as -13. Breezy, with a west wind 18 to 23 mph, with gusts as high as 34 mph.

    Low: 5 °F

    Mostly Cloudy
    and Breezy

  • Friday

    Friday: Mostly sunny, with a high near 21. Wind chill values as low as -13. Breezy, with a west wind 17 to 22 mph decreasing to 10 to 15 mph in the afternoon. Winds could gust as high as 37 mph.

    High: 21 °F

    Mostly Sunny
    and Breezy
    then Mostly
    Sunny

  • Friday Night

    Friday Night: A slight chance of snow showers after 1am. Mostly cloudy, with a low around 15. South wind 14 to 17 mph. Chance of precipitation is 20%.

    Low: 15 °F

    Mostly Cloudy
    then Slight
    Chance Snow
    Showers

  • Saturday

    Saturday: A chance of snow showers before 1pm, then snow likely after 1pm. Mostly cloudy, with a high near 29. Chance of precipitation is 60%.

    High: 29 °F

    Chance Snow
    Showers then
    Snow Likely

  • Saturday Night

    Saturday Night: A chance of snow before 1am. Mostly cloudy, with a low around 17. Chance of precipitation is 30%.

    Low: 17 °F

    Chance Snow

  • Sunday

    Sunday: A chance of snow. Partly sunny, with a high near 24. Chance of precipitation is 30%.

    High: 24 °F

    Chance Snow

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 9.

    Low: 9 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Snow likely, possibly mixed with rain before 5am, then a chance of snow. Cloudy, with a low around 30. South wind around 8 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of less than a half inch possible.
Thursday
A chance of rain and snow showers before 8am, then a slight chance of snow showers between 8am and 9am. Mostly cloudy, with a temperature falling to around 16 by 5pm. Wind chill values as low as zero. West wind 9 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Thursday Night
Mostly cloudy, with a low around 5. Wind chill values as low as -13. Breezy, with a west wind 18 to 23 mph, with gusts as high as 34 mph.
Friday
Mostly sunny, with a high near 21. Wind chill values as low as -13. Breezy, with a west wind 17 to 22 mph decreasing to 10 to 15 mph in the afternoon. Winds could gust as high as 37 mph.
Friday Night
A slight chance of snow showers after 1am. Mostly cloudy, with a low around 15. South wind 14 to 17 mph. Chance of precipitation is 20%.
Saturday
A chance of snow showers before 1pm, then snow likely after 1pm. Mostly cloudy, with a high near 29. Chance of precipitation is 60%.
Saturday Night
A chance of snow before 1am. Mostly cloudy, with a low around 17. Chance of precipitation is 30%.
Sunday
A chance of snow. Partly sunny, with a high near 24. Chance of precipitation is 30%.
Sunday Night
Mostly cloudy, with a low around 9.
M.L.King Day
Partly sunny, with a high near 19.
Monday Night
Mostly cloudy, with a low around 3.
Tuesday
Partly sunny and cold, with a high near 10.
Tuesday Night
Mostly cloudy, with a low around -1.
Wednesday
Partly sunny, with a high near 14.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Big Indian NY
 42.05°N 74.5°W (Elev. 3189 ft)
Last Update:
12:53 am EST Jan 15, 2026
Forecast Valid:
1am EST Jan 15, 2026-6pm EST Jan 21, 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