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.

Light Rain

58°F

14°C

Humidity 97%
Wind Speed Vrbl 3 mph
Barometer 29.89 in (1011.9 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 1 Apr 1:56 am EDT
Extended Forecast for

Rock Valley NY

Flood Watch April 1, 02:04am until April 1, 08:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch April 1, 02:04am until April 1, 08:00pm

    NOW until 8:00pm Wed

    Flood Watch

  • Overnight

    Low: 55 °F

    Showers

  • Wednesday

    Wednesday: A chance of showers and thunderstorms. Mostly cloudy, with a high near 60. Northwest wind around 6 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 60 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Showers. Low around 42. North wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 42 °F

    Showers

  • Thursday

    Thursday: A chance of showers, mainly before 2pm. Mostly cloudy, with a high near 44. Southeast wind 6 to 8 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    High: 44 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers, mainly between 8pm and 2am. Cloudy, with a low around 39. Southeast wind around 9 mph. Chance of precipitation is 30%.

    Low: 39 °F

    Chance
    Showers

  • Friday

    Friday: A slight chance of showers before 8am, then a slight chance of showers after 2pm. Partly sunny, with a high near 68. Chance of precipitation is 20%.

    High: 68 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers between 8pm and 2am. Mostly cloudy, with a low around 52. Chance of precipitation is 30%.

    Low: 52 °F

    Chance
    Showers

  • Saturday

    Saturday: A chance of showers after 2pm. Partly sunny, with a high near 71. Chance of precipitation is 50%.

    High: 71 °F

    Partly Sunny
    then Chance
    Showers

Detailed Forecast

Overnight
Showers, with thunderstorms also possible after 5am. Low around 55. West wind around 9 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 60. Northwest wind around 6 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers. Low around 42. North wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
A chance of showers, mainly before 2pm. Mostly cloudy, with a high near 44. Southeast wind 6 to 8 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
A chance of showers, mainly between 8pm and 2am. Cloudy, with a low around 39. Southeast wind around 9 mph. Chance of precipitation is 30%.
Friday
A slight chance of showers before 8am, then a slight chance of showers after 2pm. Partly sunny, with a high near 68. Chance of precipitation is 20%.
Friday Night
A chance of showers between 8pm and 2am. Mostly cloudy, with a low around 52. Chance of precipitation is 30%.
Saturday
A chance of showers after 2pm. Partly sunny, with a high near 71. Chance of precipitation is 50%.
Saturday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 51. Chance of precipitation is 60%.
Sunday
Showers. High near 60. Chance of precipitation is 80%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 31. Chance of precipitation is 30%.
Monday
Partly sunny, with a high near 43.
Monday Night
Partly cloudy, with a low around 28.
Tuesday
Partly sunny, with a high near 44.
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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:
12:35 am EDT Apr 1, 2026
Forecast Valid:
2am EDT Apr 1, 2026-6pm EDT Apr 7, 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