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Hazardous Weather Conditions

Current conditions at

Monticello, Sullivan County International Airport (KMSV)

Lat: 41.7°NLon: 74.8°WElev: 1404ft.

Fair

9°F

-13°C

Humidity 80%
Wind Speed W 7 mph
Barometer 30.17 in (1024.1 mb)
Dewpoint 4°F (-16°C)
Visibility 10.00 mi
Wind Chill-2°F (-19°C)
Last update 26 Dec 4:56 am EST
Extended Forecast for

4 Miles NE Grooville NY

Winter Storm Warning December 26, 01:00pm until December 27, 12:00pm
Click here for hazard details and duration
Winter Storm Warning

  • Today

    Today: Snow likely, mainly after 4pm. The snow could be heavy at times. Mostly cloudy, with a high near 19. Wind chill values as low as -4. Light and variable wind becoming southeast around 6 mph in the afternoon. Chance of precipitation is 70%. Total daytime snow accumulation of around 3 inches.

    High: 19 °F

    Mostly Cloudy
    then Heavy
    Snow

  • Tonight

    Tonight: Snow, mainly before 2am. The snow could be heavy at times. Low around 12. Southeast wind around 7 mph. Chance of precipitation is 100%. New snow accumulation of around 6 inches.

    Low: 12 °F

    Heavy Snow

  • Saturday

    Saturday: A chance of snow showers before 1pm. Mostly cloudy, with a high near 25. East wind around 5 mph becoming calm in the morning. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    High: 25 °F

    Chance Snow
    Showers

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 12. Calm wind.

    Low: 12 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of freezing rain after 4pm. Mostly cloudy, with a high near 31. Light and variable wind becoming south around 6 mph in the morning. Chance of precipitation is 50%.

    High: 31 °F

    Mostly Cloudy
    then Chance
    Freezing Rain

  • Sunday Night

    Sunday Night: Freezing rain, mainly after 7pm. Low around 28. Chance of precipitation is 100%.

    Low: 28 °F

    Freezing Rain

  • Monday

    Monday: Rain and snow, becoming all snow after 4pm. High near 38. Chance of precipitation is 90%.

    High: 38 °F

    Rain/Snow

  • Monday Night

    Monday Night: Snow showers likely, mainly before 7pm. Cloudy, with a low around 13. Breezy. Chance of precipitation is 60%.

    Low: 13 °F

    Snow Showers
    Likely and
    Breezy

  • Tuesday

    Tuesday: A chance of snow showers. Mostly cloudy, with a high near 17. Breezy. Chance of precipitation is 30%.

    High: 17 °F

    Chance Snow
    Showers and
    Breezy

Detailed Forecast

Today
Snow likely, mainly after 4pm. The snow could be heavy at times. Mostly cloudy, with a high near 19. Wind chill values as low as -4. Light and variable wind becoming southeast around 6 mph in the afternoon. Chance of precipitation is 70%. Total daytime snow accumulation of around 3 inches.
Tonight
Snow, mainly before 2am. The snow could be heavy at times. Low around 12. Southeast wind around 7 mph. Chance of precipitation is 100%. New snow accumulation of around 6 inches.
Saturday
A chance of snow showers before 1pm. Mostly cloudy, with a high near 25. East wind around 5 mph becoming calm in the morning. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Saturday Night
Mostly cloudy, with a low around 12. Calm wind.
Sunday
A chance of freezing rain after 4pm. Mostly cloudy, with a high near 31. Light and variable wind becoming south around 6 mph in the morning. Chance of precipitation is 50%.
Sunday Night
Freezing rain, mainly after 7pm. Low around 28. Chance of precipitation is 100%.
Monday
Rain and snow, becoming all snow after 4pm. High near 38. Chance of precipitation is 90%.
Monday Night
Snow showers likely, mainly before 7pm. Cloudy, with a low around 13. Breezy. Chance of precipitation is 60%.
Tuesday
A chance of snow showers. Mostly cloudy, with a high near 17. Breezy. Chance of precipitation is 30%.
Tuesday Night
Mostly cloudy, with a low around 14.
Wednesday
A chance of snow showers. Mostly cloudy, with a high near 20. Chance of precipitation is 30%.
Wednesday Night
A chance of snow showers. Mostly cloudy, with a low around 7. Chance of precipitation is 30%.
New Year's Day
Mostly cloudy, with a high near 14.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NE Grooville NY
 41.99°N 74.7°W (Elev. 2782 ft)
Last Update:
5:04 am EST Dec 26, 2025
Forecast Valid:
5am 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