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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

61°F

16°C

Humidity 90%
Wind Speed Calm
Barometer 30.08 in (1018.1 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 27 Aug 12:56 am EDT
Extended Forecast for

Rock Hill NY

  • Overnight

    Overnight: Mostly cloudy, with a low around 59. Calm wind.

    Low: 59 °F

    Mostly Cloudy

  • Thursday

    Thursday: Showers and thunderstorms, mainly before 5pm, then showers and possibly a thunderstorm after 5pm. High near 76. South wind 3 to 8 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 76 °F

    Showers
    Likely then
    T-storms

  • Thursday Night

    Thursday Night: Showers and thunderstorms, mainly before 9pm. Low around 60. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 60 °F

    T-storms then
    Chance
    Showers

  • Friday

    Friday: A slight chance of showers and thunderstorms, mainly between 4pm and 5pm. Mostly sunny, with a high near 79. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 20%.

    High: 79 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: Partly cloudy, with a low around 55. Light northwest wind.

    Low: 55 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Saturday Night

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

    Low: 56 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 61.

    Low: 61 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 59. Calm wind.
Thursday
Showers and thunderstorms, mainly before 5pm, then showers and possibly a thunderstorm after 5pm. High near 76. South wind 3 to 8 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Showers and thunderstorms, mainly before 9pm. Low around 60. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
A slight chance of showers and thunderstorms, mainly between 4pm and 5pm. Mostly sunny, with a high near 79. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 20%.
Friday Night
Partly cloudy, with a low around 55. Light northwest wind.
Saturday
Sunny, with a high near 77.
Saturday Night
Mostly clear, with a low around 56.
Sunday
Mostly sunny, with a high near 79.
Sunday Night
Mostly cloudy, with a low around 61.
Monday
A chance of showers after 2pm. Partly sunny, with a high near 79. Chance of precipitation is 30%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 61. Chance of precipitation is 30%.
Tuesday
A chance of showers. Partly sunny, with a high near 78. Chance of precipitation is 50%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 61. Chance of precipitation is 50%.
Wednesday
A chance of showers. Partly sunny, with a high near 77. 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:
11:28 pm EDT Aug 26, 2026
Forecast Valid:
1am EDT Aug 27, 2026-6pm EDT Sep 2, 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