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.

Mostly Cloudy

18°F

-8°C

Humidity 62%
Wind Speed NW 10 G 16 mph
Barometer 30.16 in (1023.5 mb)
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Wind Chill6°F (-14°C)
Last update 18 Mar 2:56 am EDT
Extended Forecast for

3 Miles SSE Grant Mills NY

  • Overnight

    Overnight: Partly cloudy, with a low around 9. Wind chill values as low as -2. Northwest wind around 11 mph, with gusts as high as 23 mph.

    Low: 9 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 28. Wind chill values as low as -2. Northwest wind around 6 mph becoming calm in the morning.

    High: 28 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 17. South wind around 6 mph.

    Low: 17 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 36. South wind 7 to 9 mph.

    High: 36 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A slight chance of snow showers. Mostly cloudy, with a low around 27. South wind around 6 mph. Chance of precipitation is 20%.

    Low: 27 °F

    Slight Chance
    Snow Showers

  • Friday

    Friday: A chance of rain after 2pm. Mostly cloudy, with a high near 45. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 45 °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 31. Chance of precipitation is 70%.

    Low: 31 °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 47. Chance of precipitation is 60%.

    High: 47 °F

    Rain/Snow
    Likely then
    Chance Rain

  • Saturday Night

    Saturday Night: A chance of rain and snow after 2am. Mostly cloudy, with a low around 32. Chance of precipitation is 30%.

    Low: 32 °F

    Mostly Cloudy
    then Chance
    Rain/Snow

Detailed Forecast

Overnight
Partly cloudy, with a low around 9. Wind chill values as low as -2. Northwest wind around 11 mph, with gusts as high as 23 mph.
Wednesday
Mostly sunny, with a high near 28. Wind chill values as low as -2. Northwest wind around 6 mph becoming calm in the morning.
Wednesday Night
Mostly cloudy, with a low around 17. South wind around 6 mph.
Thursday
Partly sunny, with a high near 36. South wind 7 to 9 mph.
Thursday Night
A slight chance of snow showers. Mostly cloudy, with a low around 27. South wind around 6 mph. Chance of precipitation is 20%.
Friday
A chance of rain after 2pm. Mostly cloudy, with a high near 45. 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 31. Chance of precipitation is 70%.
Saturday
Snow likely, possibly mixed with rain before 8am, then a chance of rain between 8am and 2pm. Mostly cloudy, with a high near 47. Chance of precipitation is 60%.
Saturday Night
A chance of rain and snow after 2am. Mostly cloudy, with a low around 32. Chance of precipitation is 30%.
Sunday
A chance of rain and snow before 2pm, then a chance of rain. Mostly cloudy, with a high near 46. Chance of precipitation is 50%.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 24. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 33.
Monday Night
Mostly clear, with a low around 16.
Tuesday
Mostly sunny, with a high near 37.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Grant Mills NY
 42.03°N 74.66°W (Elev. 2533 ft)
Last Update:
2:37 am EDT Mar 18, 2026
Forecast Valid:
3am EDT Mar 18, 2026-6pm EDT Mar 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation