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

13°F

-11°C

Humidity 70%
Wind Speed NW 5 mph
Barometer 30.22 in (1025.5 mb)
Dewpoint 5°F (-15°C)
Visibility 10.00 mi
Wind Chill5°F (-15°C)
Last update 18 Mar 5:56 am EDT
Extended Forecast for

3 Miles WNW Big Indian NY

  • Today

    Today: Mostly sunny, with a high near 29. Wind chill values as low as -4. Northwest wind 6 to 11 mph becoming light and variable in the morning.

    High: 29 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 18. South wind around 9 mph.

    Low: 18 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 37. South wind around 10 mph.

    High: 37 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A slight chance of snow showers. Mostly cloudy, with a low around 27. Southwest wind around 9 mph. Chance of precipitation is 20%.

    Low: 27 °F

    Slight Chance
    Snow Showers

  • Friday

    Friday: A chance of rain after 2pm. Partly sunny, with a high near 44. West wind around 8 mph becoming southwest in the afternoon. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 44 °F

    Partly Sunny
    then Chance
    Rain

  • Friday Night

    Friday Night: Rain likely before 2am, then rain and snow likely. Mostly cloudy, with a low around 32. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 32 °F

    Rain Likely
    then
    Rain/Snow
    Likely

  • Saturday

    Saturday: Snow likely, possibly mixed with rain before 8am, then a chance of rain between 8am and 2pm. Mostly cloudy, with a high near 49. Chance of precipitation is 60%.

    High: 49 °F

    Rain/Snow
    Likely then
    Chance Rain

  • Saturday Night

    Saturday Night: A chance of rain after 2am. Mostly cloudy, with a low around 33. Chance of precipitation is 30%.

    Low: 33 °F

    Mostly Cloudy
    then Chance
    Rain

  • Sunday

    Sunday: A chance of rain. Mostly cloudy, with a high near 48. Chance of precipitation is 50%.

    High: 48 °F

    Chance Rain

Detailed Forecast

Today
Mostly sunny, with a high near 29. Wind chill values as low as -4. Northwest wind 6 to 11 mph becoming light and variable in the morning.
Tonight
Mostly cloudy, with a low around 18. South wind around 9 mph.
Thursday
Partly sunny, with a high near 37. South wind around 10 mph.
Thursday Night
A slight chance of snow showers. Mostly cloudy, with a low around 27. Southwest wind around 9 mph. Chance of precipitation is 20%.
Friday
A chance of rain after 2pm. Partly sunny, with a high near 44. West wind around 8 mph becoming southwest in the afternoon. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Rain likely before 2am, then rain and snow likely. Mostly cloudy, with a low around 32. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Snow likely, possibly mixed with rain before 8am, then a chance of rain between 8am and 2pm. Mostly cloudy, with a high near 49. Chance of precipitation is 60%.
Saturday Night
A chance of rain after 2am. Mostly cloudy, with a low around 33. Chance of precipitation is 30%.
Sunday
A chance of rain. Mostly cloudy, with a high near 48. Chance of precipitation is 50%.
Sunday Night
A chance of snow before 2am. Mostly cloudy, with a low around 25. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 35.
Monday Night
Mostly clear, with a low around 17.
Tuesday
Mostly sunny, with a high near 40.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Big Indian NY
 42.1°N 74.5°W (Elev. 2999 ft)
Last Update:
6:19 am EDT Mar 18, 2026
Forecast Valid:
6am EDT Mar 18, 2026-6pm EDT Mar 24, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation