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 6 mph
Barometer 30.17 in (1021.1 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 2 Sep 1:56 pm EDT
Extended Forecast for

3 Miles S Colchester 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: Showers and possibly a thunderstorm before 3pm, then a chance of showers and thunderstorms, mainly between 3pm and 5pm. High near 67. South wind around 7 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 67 °F

    T-storms

  • Tonight

    Tonight: Showers and thunderstorms before midnight, then showers and possibly a thunderstorm, mainly after midnight. Some of the storms could be severe. Low around 62. South wind 7 to 13 mph. Chance of precipitation is 90%. 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 76. West wind around 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: 76 °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 73. Northwest wind 3 to 7 mph.

    High: 73 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Showers and possibly a thunderstorm before 3pm, then a chance of showers and thunderstorms, mainly between 3pm and 5pm. High near 67. South wind around 7 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms before midnight, then showers and possibly a thunderstorm, mainly after midnight. Some of the storms could be severe. Low around 62. South wind 7 to 13 mph. Chance of precipitation is 90%. 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 76. West wind around 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 73. Northwest wind 3 to 7 mph.
Friday Night
Partly cloudy, with a low around 53.
Saturday
Mostly sunny, with a high near 68.
Saturday Night
Mostly clear, with a low around 49.
Sunday
Mostly sunny, with a high near 68.
Sunday Night
Mostly clear, with a low around 49.
Labor Day
Mostly sunny, with a high near 70.
Monday Night
Partly cloudy, with a low around 52.
Tuesday
Partly sunny, with a high near 70.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Colchester NY
 42.12°N 75.06°W (Elev. 2044 ft)
Last Update:
2:07 pm EDT Sep 2, 2026
Forecast Valid:
2pm EDT Sep 2, 2026-6pm EDT Sep 8, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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