National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Monticello, Sullivan County International Airport (KMSV)

Lat: 41.7°NLon: 74.8°WElev: 1404ft.

Overcast

18°F

-8°C

Humidity 59%
Wind Speed S 7 mph
Barometer 30.03 in (1019.5 mb)
Dewpoint 6°F (-14°C)
Visibility 10.00 mi
Wind Chill9°F (-13°C)
Last update 26 Dec 1:56 pm EST
Extended Forecast for

3 Miles SSE Grant Mills NY

Winter Storm Warning December 26, 04:00pm until December 27, 01:00pm
Click here for hazard details and duration
Winter Storm Warning

  • This Afternoon

    This Afternoon: Snow likely, mainly after 4pm. The snow could be heavy at times. Cloudy, with a high near 22. Southeast wind around 6 mph. Chance of precipitation is 70%. Total daytime snow accumulation of 2 to 4 inches possible.

    High: 22 °F

    Heavy Snow

  • Tonight

    Tonight: Snow, mainly before 3am. The snow could be heavy at times. Low around 13. Southeast wind 5 to 7 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.

    Low: 13 °F

    Heavy Snow

  • Saturday

    Saturday: A slight chance of snow showers before 9am. Mostly cloudy, with a high near 26. Light and variable wind. Chance of precipitation is 20%.

    High: 26 °F

    Slight Chance
    Snow Showers
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 9. Calm wind.

    Low: 9 °F

    Increasing
    Clouds

  • Sunday

    Sunday: A chance of freezing rain after 1pm. Mostly cloudy, with a high near 33. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 40%.

    High: 33 °F

    Mostly Cloudy
    then Chance
    Freezing Rain

  • Sunday Night

    Sunday Night: Freezing rain before 4am, then rain. Low around 28. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 28 °F

    Freezing Rain
    then
    Rain/Freezing
    Rain

  • Monday

    Monday: Rain before 1pm, then showers likely after 1pm. High near 41. Chance of precipitation is 90%.

    High: 41 °F

    Rain

  • Monday Night

    Monday Night: A chance of snow showers. Mostly cloudy, with a low around 14. Breezy. Chance of precipitation is 50%.

    Low: 14 °F

    Chance Snow
    Showers and
    Breezy

  • Tuesday

    Tuesday: A chance of snow showers. Mostly cloudy, with a high near 18. Breezy. Chance of precipitation is 40%.

    High: 18 °F

    Chance Snow
    Showers and
    Breezy

Detailed Forecast

This Afternoon
Snow likely, mainly after 4pm. The snow could be heavy at times. Cloudy, with a high near 22. Southeast wind around 6 mph. Chance of precipitation is 70%. Total daytime snow accumulation of 2 to 4 inches possible.
Tonight
Snow, mainly before 3am. The snow could be heavy at times. Low around 13. Southeast wind 5 to 7 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.
Saturday
A slight chance of snow showers before 9am. Mostly cloudy, with a high near 26. Light and variable wind. Chance of precipitation is 20%.
Saturday Night
Increasing clouds, with a low around 9. Calm wind.
Sunday
A chance of freezing rain after 1pm. Mostly cloudy, with a high near 33. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 40%.
Sunday Night
Freezing rain before 4am, then rain. Low around 28. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Monday
Rain before 1pm, then showers likely after 1pm. High near 41. Chance of precipitation is 90%.
Monday Night
A chance of snow showers. Mostly cloudy, with a low around 14. Breezy. Chance of precipitation is 50%.
Tuesday
A chance of snow showers. Mostly cloudy, with a high near 18. Breezy. Chance of precipitation is 40%.
Tuesday Night
A chance of snow showers. Mostly cloudy, with a low around 14. Chance of precipitation is 30%.
Wednesday
A chance of snow showers. Mostly cloudy, with a high near 22. Chance of precipitation is 40%.
Wednesday Night
A chance of snow showers. Mostly cloudy, with a low around 9. Chance of precipitation is 40%.
New Year's Day
A chance of snow showers. Partly sunny, with a high near 17. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Grant Mills NY
 42.03°N 74.66°W (Elev. 2533 ft)
Last Update:
1:42 pm EST Dec 26, 2025
Forecast Valid:
2pm EST Dec 26, 2025-6pm EST Jan 1, 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