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.

A Few Clouds

76°F

24°C

Humidity 72%
Wind Speed S 13 mph
Barometer 29.98 in (1014.3 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 2 Aug 11:56 am EDT
Extended Forecast for

Rock Hill NY

  • This Afternoon

    This Afternoon: Cloudy, with a high near 78. South wind around 10 mph, with gusts as high as 20 mph.

    High: 78 °F

    Cloudy

  • Tonight

    Tonight: Showers and thunderstorms before 9pm, then showers and possibly a thunderstorm, mainly after 9pm. Low around 64. Southeast wind 3 to 7 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 64 °F

    Showers

  • Monday

    Monday: Showers and thunderstorms, mainly before 3pm, then a slight chance of thunderstorms after 5pm. High near 77. Southwest wind 5 to 8 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 77 °F

    Showers

  • Monday Night

    Monday Night: A slight chance of showers between 8pm and 2am. Partly cloudy, with a low around 59. Northwest wind 3 to 5 mph. Chance of precipitation is 20%.

    Low: 59 °F

    Slight Chance
    Showers

  • Tuesday

    Tuesday: Mostly sunny, with a high near 78. Light and variable wind becoming north around 5 mph in the morning.

    High: 78 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of showers. Partly cloudy, with a low around 62. Chance of precipitation is 20%.

    Low: 62 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers after 2pm. Partly sunny, with a high near 80. Chance of precipitation is 50%.

    High: 80 °F

    Partly Sunny
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers. Mostly cloudy, with a low around 64. Chance of precipitation is 50%.

    Low: 64 °F

    Chance
    Showers

  • Thursday

    Thursday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 60%.

    High: 82 °F

    Chance
    Showers then
    Showers
    Likely

Detailed Forecast

This Afternoon
Cloudy, with a high near 78. South wind around 10 mph, with gusts as high as 20 mph.
Tonight
Showers and thunderstorms before 9pm, then showers and possibly a thunderstorm, mainly after 9pm. Low around 64. Southeast wind 3 to 7 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Monday
Showers and thunderstorms, mainly before 3pm, then a slight chance of thunderstorms after 5pm. High near 77. Southwest wind 5 to 8 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
A slight chance of showers between 8pm and 2am. Partly cloudy, with a low around 59. Northwest wind 3 to 5 mph. Chance of precipitation is 20%.
Tuesday
Mostly sunny, with a high near 78. Light and variable wind becoming north around 5 mph in the morning.
Tuesday Night
A slight chance of showers. Partly cloudy, with a low around 62. Chance of precipitation is 20%.
Wednesday
A chance of showers after 2pm. Partly sunny, with a high near 80. Chance of precipitation is 50%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 64. Chance of precipitation is 50%.
Thursday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 60%.
Thursday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.
Friday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 82. Chance of precipitation is 60%.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 81. Chance of precipitation is 50%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Rock Hill NY
 41.62°N 74.59°W (Elev. 1398 ft)
Last Update:
6:20 am EDT Aug 2, 2026
Forecast Valid:
12pm EDT Aug 2, 2026-6pm EDT Aug 8, 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