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.

Overcast

22°C

71°F

Humidity 84%
Wind Speed S 7 km/h
Barometer 1016.0 mb (30.02 in)
Dewpoint 19°C (66°F)
Visibility 16 km
Last update 9 Sep 8:56 pm EDT
Extended Forecast for

4 Miles ESE Grant Mills NY

  • Tonight

    Tonight: Showers and thunderstorms before 4am, then showers likely. Low around 17. Southwest wind 13 to 16 km/h, with gusts as high as 37 km/h. Chance of precipitation is 80%. New precipitation amounts between 1 and 2.5 mm, except higher amounts possible in thunderstorms.

    Low: 17 °C

    Chance
    Showers then
    Showers

  • Thursday

    Thursday: Partly sunny, with a high near 23. West wind 11 to 16 km/h, with gusts as high as 37 km/h.

    High: 23 °C

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 8. Northwest wind 8 to 10 km/h.

    Low: 8 °C

    Mostly Cloudy

  • Friday

    Friday: Sunny, with a high near 20. Northwest wind around 11 km/h.

    High: 20 °C

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 7. Calm wind.

    Low: 7 °C

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 22.

    High: 22 °C

    Mostly Sunny

  • Saturday Night

    Saturday Night: Showers likely, mainly after 2am. Mostly cloudy, with a low around 13. Chance of precipitation is 60%.

    Low: 13 °C

    Chance
    Showers then
    Showers
    Likely

  • Sunday

    Sunday: Showers likely before 8am, then a chance of showers after 2pm. Mostly cloudy, with a high near 23. Chance of precipitation is 60%.

    High: 23 °C

    Showers
    Likely then
    Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers before 8pm. Mostly cloudy, with a low around 12. Chance of precipitation is 30%.

    Low: 12 °C

    Chance
    Showers then
    Mostly Cloudy

Detailed Forecast

Tonight
Showers and thunderstorms before 4am, then showers likely. Low around 17. Southwest wind 13 to 16 km/h, with gusts as high as 37 km/h. Chance of precipitation is 80%. New precipitation amounts between 1 and 2.5 mm, except higher amounts possible in thunderstorms.
Thursday
Partly sunny, with a high near 23. West wind 11 to 16 km/h, with gusts as high as 37 km/h.
Thursday Night
Mostly cloudy, with a low around 8. Northwest wind 8 to 10 km/h.
Friday
Sunny, with a high near 20. Northwest wind around 11 km/h.
Friday Night
Mostly clear, with a low around 7. Calm wind.
Saturday
Mostly sunny, with a high near 22.
Saturday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 13. Chance of precipitation is 60%.
Sunday
Showers likely before 8am, then a chance of showers after 2pm. Mostly cloudy, with a high near 23. Chance of precipitation is 60%.
Sunday Night
A chance of showers before 8pm. Mostly cloudy, with a low around 12. Chance of precipitation is 30%.
Monday
Partly sunny, with a high near 22.
Monday Night
Partly cloudy, with a low around 11.
Tuesday
Mostly sunny, with a high near 23.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 14. Chance of precipitation is 30%.
Wednesday
Partly sunny, with a high near 23.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ESE Grant Mills NY
 42.07°N 74.62°W (Elev. 2100 m)
Last Update:
8:36 pm EDT Sep 9, 2026
Forecast Valid:
8pm EDT Sep 9, 2026-6pm EDT Sep 16, 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