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

49°F

9°C

Humidity 59%
Wind Speed S 8 mph
Barometer 29.89 in (1013.1 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 20 Mar 12:56 pm EDT
Extended Forecast for

4 Miles SSW Big Indian NY

  • This Afternoon

    This Afternoon: Rain, mainly after 3pm. High near 47. Southwest wind 13 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 47 °F

    Rain

  • Tonight

    Tonight: Rain, mainly before 8pm. Low around 28. Southwest wind 8 to 11 mph becoming northwest after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 28 °F

    Rain then
    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 42. Northwest wind 11 to 13 mph, with gusts as high as 25 mph.

    High: 42 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of snow after 2am. Increasing clouds, with a low around 29. Northwest wind around 7 mph becoming south after midnight. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    Low: 29 °F

    Mostly Cloudy
    then Chance
    Snow

  • Sunday

    Sunday: A chance of snow before 11am, then rain likely. Mostly cloudy, with a high near 50. South wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 50 °F

    Chance
    Rain/Snow
    then Rain
    Likely

  • Sunday Night

    Sunday Night: Rain likely before 2am, then rain and snow likely. Mostly cloudy, with a low around 30. Chance of precipitation is 70%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 30 °F

    Rain Likely
    then
    Rain/Snow
    Likely

  • Monday

    Monday: Snow likely, mainly before 8am. Mostly cloudy, with a high near 36. Chance of precipitation is 60%.

    High: 36 °F

    Snow Likely
    then Chance
    Snow

  • Monday Night

    Monday Night: Partly cloudy, with a low around 18.

    Low: 18 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 37.

    High: 37 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Rain, mainly after 3pm. High near 47. Southwest wind 13 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Rain, mainly before 8pm. Low around 28. Southwest wind 8 to 11 mph becoming northwest after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Mostly sunny, with a high near 42. Northwest wind 11 to 13 mph, with gusts as high as 25 mph.
Saturday Night
A chance of snow after 2am. Increasing clouds, with a low around 29. Northwest wind around 7 mph becoming south after midnight. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Sunday
A chance of snow before 11am, then rain likely. Mostly cloudy, with a high near 50. South wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Rain likely before 2am, then rain and snow likely. Mostly cloudy, with a low around 30. Chance of precipitation is 70%. New precipitation amounts between a half and three quarters of an inch possible.
Monday
Snow likely, mainly before 8am. Mostly cloudy, with a high near 36. Chance of precipitation is 60%.
Monday Night
Partly cloudy, with a low around 18.
Tuesday
Mostly sunny, with a high near 37.
Tuesday Night
Mostly cloudy, with a low around 21.
Wednesday
A chance of snow. Partly sunny, with a high near 36. Chance of precipitation is 30%.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 19. Chance of precipitation is 40%.
Thursday
A chance of rain and snow. Mostly cloudy, with a high near 43. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Big Indian NY
 42.03°N 74.48°W (Elev. 3012 ft)
Last Update:
8:37 am EDT Mar 20, 2026
Forecast Valid:
1pm EDT Mar 20, 2026-6pm EDT Mar 26, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation