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 Fog/Mist

65°F

18°C

Humidity 100%
Wind Speed E 6 mph
Barometer 29.67 in (1004.0 mb)
Dewpoint 65°F (18°C)
Visibility 4.00 mi
Last update 28 Jul 6:56 pm EDT
Extended Forecast for

Grooville NY

Flood Watch July 28, 07:54pm until July 29, 08:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch July 28, 07:54pm until July 29, 08:00pm

    NOW until 8:00pm Wed

    Flood Watch

  • Tonight

    Low: 58 °F

    Showers

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly before 9am, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 67. North wind 3 to 6 mph. Chance of precipitation is 70%. New rainfall amounts between 1 and 2 inches possible.

    High: 67 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 11pm, then a chance of showers. Mostly cloudy, with a low around 55. North wind around 7 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 55 °F

    Showers
    Likely

  • Thursday

    Thursday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 70. North wind around 9 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 70 °F

    Chance
    Showers then
    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 8pm. Mostly cloudy, with a low around 55. North wind around 6 mph. Chance of precipitation is 60%.

    Low: 55 °F

    Showers
    Likely then
    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

Detailed Forecast

Tonight
Showers and possibly a thunderstorm, mainly before 5am, then a chance of showers and thunderstorms after 5am. Low around 58. Southeast wind 3 to 6 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Wednesday
Showers and thunderstorms likely, mainly before 9am, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 67. North wind 3 to 6 mph. Chance of precipitation is 70%. New rainfall amounts between 1 and 2 inches possible.
Wednesday Night
Showers likely and possibly a thunderstorm before 11pm, then a chance of showers. Mostly cloudy, with a low around 55. North wind around 7 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 70. North wind around 9 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers likely and possibly a thunderstorm before 8pm. Mostly cloudy, with a low around 55. North wind around 6 mph. Chance of precipitation is 60%.
Friday
Mostly sunny, with a high near 74.
Friday Night
Mostly clear, with a low around 56.
Saturday
Mostly sunny, with a high near 77.
Saturday Night
Mostly cloudy, with a low around 59.
Sunday
A chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 73. Chance of precipitation is 50%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Chance of precipitation is 50%.
Monday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 73. Chance of precipitation is 50%.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 58. Chance of precipitation is 30%.
Tuesday
A chance of showers. Mostly sunny, with a high near 76. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Grooville NY
 41.95°N 74.79°W (Elev. 2326 ft)
Last Update:
2:30 pm EDT Jul 28, 2026
Forecast Valid:
7pm EDT Jul 28, 2026-6pm EDT Aug 4, 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