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

39°F

4°C

Humidity 79%
Wind Speed Calm
Barometer 30.01 in (1016.6 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Last update 10 Mar 2:56 am EDT
Extended Forecast for

6 Miles SW Big Indian NY

  • Overnight

    Overnight: Clear, with a low around 36. West wind around 7 mph.

    Low: 36 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 63. West wind 6 to 9 mph.

    High: 63 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of rain before midnight, then a slight chance of rain after 4am. Partly cloudy, with a low around 46. Southwest wind around 6 mph. Chance of precipitation is 20%.

    Low: 46 °F

    Slight Chance
    Rain then
    Partly Cloudy

  • Wednesday

    Wednesday: A chance of rain, then rain likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 62. South wind 6 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 62 °F

    Chance Rain
    then Rain
    Likely

  • Wednesday Night

    Wednesday Night: Rain. Low around 35. South wind 11 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 35 °F

    Rain

  • Thursday

    Thursday: Rain and snow showers before 11am, then a chance of snow showers between 11am and 2pm. High near 38. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 38 °F

    Rain/Snow
    then Chance
    Snow Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 19.

    Low: 19 °F

    Partly Cloudy

  • Friday

    Friday: A chance of snow after 2pm. Partly sunny, with a high near 36. Chance of precipitation is 40%.

    High: 36 °F

    Partly Sunny
    then Chance
    Snow

  • Friday Night

    Friday Night: A chance of snow before 2am. Mostly cloudy, with a low around 23. Chance of precipitation is 40%.

    Low: 23 °F

    Chance Snow

Detailed Forecast

Overnight
Clear, with a low around 36. West wind around 7 mph.
Tuesday
Sunny, with a high near 63. West wind 6 to 9 mph.
Tuesday Night
A slight chance of rain before midnight, then a slight chance of rain after 4am. Partly cloudy, with a low around 46. Southwest wind around 6 mph. Chance of precipitation is 20%.
Wednesday
A chance of rain, then rain likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 62. South wind 6 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Rain. Low around 35. South wind 11 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
Rain and snow showers before 11am, then a chance of snow showers between 11am and 2pm. High near 38. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
Partly cloudy, with a low around 19.
Friday
A chance of snow after 2pm. Partly sunny, with a high near 36. Chance of precipitation is 40%.
Friday Night
A chance of snow before 2am. Mostly cloudy, with a low around 23. Chance of precipitation is 40%.
Saturday
Mostly sunny, with a high near 34.
Saturday Night
Mostly cloudy, with a low around 21.
Sunday
A chance of rain and snow. Mostly cloudy, with a high near 44. Chance of precipitation is 40%.
Sunday Night
Rain. Low around 30. Chance of precipitation is 80%.
Monday
Rain and snow. High near 45. Chance of precipitation is 80%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SW Big Indian NY
 42.04°N 74.54°W (Elev. 2871 ft)
Last Update:
2:11 am EDT Mar 10, 2026
Forecast Valid:
3am EDT Mar 10, 2026-6pm EDT Mar 16, 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