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.

Fog

55°F

13°C

Humidity 100%
Wind Speed Calm
Barometer 30.02 in (1016.2 mb)
Dewpoint 55°F (13°C)
Visibility 0.50 mi
Last update 14 Apr 1:56 am EDT
Extended Forecast for

4 Miles SSW Big Indian NY

  • Overnight

    Overnight: Mostly cloudy, with a low around 52. West wind around 9 mph.

    Low: 52 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 3pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 73. Southwest wind 8 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 40%. New rainfall amounts between a quarter and half of an inch possible.

    High: 73 °F

    Slight Chance
    Showers and
    Patchy Fog
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 56. West wind 9 to 14 mph. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 56 °F

    Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm, mainly after 2pm. Mostly cloudy, with a high near 72. Southwest wind 8 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 72 °F

    Chance
    Showers then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 57. West wind around 8 mph. Chance of precipitation is 60%. New rainfall amounts between three quarters and one inch possible.

    Low: 57 °F

    Showers
    Likely

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 74. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 74 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers. Mostly cloudy, with a low around 55. Chance of precipitation is 40%.

    Low: 55 °F

    Chance
    Showers

  • Friday

    Friday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 67. Chance of precipitation is 70%.

    High: 67 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 48. Chance of precipitation is 60%.

    Low: 48 °F

    Showers
    Likely then
    Chance
    Showers

Detailed Forecast

Overnight
Mostly cloudy, with a low around 52. West wind around 9 mph.
Tuesday
A chance of showers, with thunderstorms also possible after 3pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 73. Southwest wind 8 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 40%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
A chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 56. West wind 9 to 14 mph. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers likely and possibly a thunderstorm, mainly after 2pm. Mostly cloudy, with a high near 72. Southwest wind 8 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 57. West wind around 8 mph. Chance of precipitation is 60%. New rainfall amounts between three quarters and one inch possible.
Thursday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 74. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 55. Chance of precipitation is 40%.
Friday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 67. Chance of precipitation is 70%.
Friday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 48. Chance of precipitation is 60%.
Saturday
Partly sunny, with a high near 63.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 44. Chance of precipitation is 50%.
Sunday
Showers likely. Mostly cloudy, with a high near 56. Chance of precipitation is 60%.
Sunday Night
Rain and snow showers likely. Mostly cloudy, with a low around 28. Chance of precipitation is 60%.
Monday
Partly sunny, with a high near 41.
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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:
2:36 am EDT Apr 14, 2026
Forecast Valid:
2am EDT Apr 14, 2026-6pm EDT Apr 20, 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