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Hazardous Weather Conditions

Current conditions at

Monticello, Sullivan County International Airport (KMSV)

Lat: 41.7°NLon: 74.8°WElev: 1404ft.

Light Snow

26°F

-3°C

Humidity 81%
Wind Speed N 14 G 22 mph
Barometer 29.60 in (1003.9 mb)
Dewpoint 21°F (-6°C)
Visibility 9.00 mi
Wind Chill14°F (-10°C)
Last update 23 Feb 5:56 am EST
Extended Forecast for

Rock Valley NY

Winter Storm Warning February 23, 06:43am until February 23, 01:00pm
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning February 23, 06:43am until February 23, 01:00pm

    NOW until 1:00pm Mon

    Winter Storm Warning

  • Today

    High: 30 °F

    Snow then
    Chance Snow

  • Tonight

    Tonight: Mostly cloudy, with a low around 12. Northwest wind 10 to 15 mph, with gusts as high as 29 mph.

    Low: 12 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 20. Wind chill values as low as -1. Northwest wind 6 to 10 mph, with gusts as high as 21 mph.

    High: 20 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Snow after 1am. Low around 12. Calm wind becoming south around 6 mph after midnight. Chance of precipitation is 80%. New snow accumulation of around 2 inches.

    Low: 12 °F

    Partly Cloudy
    then Snow

  • Wednesday

    Wednesday: Snow before 1pm, then a chance of rain. High near 36. South wind around 8 mph becoming southwest in the afternoon. Chance of precipitation is 80%.

    High: 36 °F

    Snow then
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 17.

    Low: 17 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of snow after 1pm. Partly sunny, with a high near 33. Chance of precipitation is 50%.

    High: 33 °F

    Partly Sunny
    then Chance
    Snow

  • Thursday Night

    Thursday Night: Snow likely, mainly before 1am. Mostly cloudy, with a low around 21. Chance of precipitation is 60%.

    Low: 21 °F

    Snow Likely

Detailed Forecast

Today
Snow, mainly before noon. High near 30. North wind 15 to 17 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. Total daytime snow accumulation of around 2 inches.
Tonight
Mostly cloudy, with a low around 12. Northwest wind 10 to 15 mph, with gusts as high as 29 mph.
Tuesday
Partly sunny, with a high near 20. Wind chill values as low as -1. Northwest wind 6 to 10 mph, with gusts as high as 21 mph.
Tuesday Night
Snow after 1am. Low around 12. Calm wind becoming south around 6 mph after midnight. Chance of precipitation is 80%. New snow accumulation of around 2 inches.
Wednesday
Snow before 1pm, then a chance of rain. High near 36. South wind around 8 mph becoming southwest in the afternoon. Chance of precipitation is 80%.
Wednesday Night
Partly cloudy, with a low around 17.
Thursday
A chance of snow after 1pm. Partly sunny, with a high near 33. Chance of precipitation is 50%.
Thursday Night
Snow likely, mainly before 1am. Mostly cloudy, with a low around 21. Chance of precipitation is 60%.
Friday
Partly sunny, with a high near 34.
Friday Night
Mostly clear, with a low around 20.
Saturday
Sunny, with a high near 44.
Saturday Night
Partly cloudy, with a low around 24.
Sunday
Partly sunny, with a high near 36.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Rock Valley NY
 41.9°N 75.07°W (Elev. 1821 ft)
Last Update:
6:03 am EST Feb 23, 2026
Forecast Valid:
6am EST Feb 23, 2026-6pm EST Mar 1, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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