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.

Overcast

63°F

17°C

Humidity 97%
Wind Speed SE 7 mph
Barometer 30.15 in (1020.7 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 2 Sep 2:56 pm EDT
Extended Forecast for

Downsville NY

Flood Watch September 2, 04:00pm until September 3, 08:00am
Click here for hazard details and duration
Flood Watch

  • This Afternoon

    This Afternoon: A chance of showers and thunderstorms. Mostly cloudy, with a high near 65. South wind around 8 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 65 °F

    Chance
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 11pm. Some of the storms could be severe. Low around 62. South wind 9 to 13 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 62 °F

    Severe
    Thunderstorms
    then Showers

  • Thursday

    Thursday: Showers and thunderstorms likely, mainly before 11am. Partly sunny, with a high near 77. West wind 5 to 7 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 77 °F

    Showers
    Likely then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 2am. Partly cloudy, with a low around 61. Light northwest wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 61 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 74. Northwest wind 3 to 7 mph.

    High: 74 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms. Mostly cloudy, with a high near 65. South wind around 8 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 11pm. Some of the storms could be severe. Low around 62. South wind 9 to 13 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday
Showers and thunderstorms likely, mainly before 11am. Partly sunny, with a high near 77. West wind 5 to 7 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 2am. Partly cloudy, with a low around 61. Light northwest wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Mostly sunny, with a high near 74. Northwest wind 3 to 7 mph.
Friday Night
Partly cloudy, with a low around 54.
Saturday
Mostly sunny, with a high near 70.
Saturday Night
Mostly clear, with a low around 51.
Sunday
Mostly sunny, with a high near 70.
Sunday Night
Mostly clear, with a low around 51.
Labor Day
Sunny, with a high near 71.
Monday Night
Partly cloudy, with a low around 53.
Tuesday
Mostly sunny, with a high near 71.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Downsville NY
 42.07°N 75.04°W (Elev. 1998 ft)
Last Update:
3:13 pm EDT Sep 2, 2026
Forecast Valid:
3pm EDT Sep 2, 2026-6pm EDT Sep 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