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Hazardous Weather Conditions

Current conditions at

Monticello, Sullivan County International Airport (KMSV)

Lat: 41.7°NLon: 74.8°WElev: 1404ft.

Light Rain

52°F

11°C

Humidity 69%
Wind Speed NW 5 mph
Barometer 30.20 in (1022.8 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Wind Chill51°F (11°C)
Last update 21 May 7:56 am EDT
Extended Forecast for

3 Miles NW Downsville NY

Frost Advisory May 21, 11:00pm until May 22, 08:00am
Click here for hazard details and duration
Frost Advisory

  • Today

    Today: Mostly cloudy, with a high near 64. North wind 3 to 5 mph.

    High: 64 °F

    Mostly Cloudy

  • Tonight

    Tonight: Patchy frost after 4am. Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 35. Light north wind.

    Low: 35 °F

    Mostly Cloudy
    then Patchy
    Frost

  • Friday

    Friday: Patchy frost before 7am. Otherwise, mostly sunny, with a high near 69. Light east wind.

    High: 69 °F

    Patchy Frost
    then Mostly
    Sunny

  • Friday Night

    Friday Night: A slight chance of showers after 2am. Increasing clouds, with a low around 44. Calm wind. Chance of precipitation is 20%.

    Low: 44 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Saturday

    Saturday: Showers, mainly after 8am. High near 55. Southeast wind 6 to 8 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.

    High: 55 °F

    Showers

  • Saturday Night

    Saturday Night: Showers. Low around 42. Chance of precipitation is 90%.

    Low: 42 °F

    Showers

  • Sunday

    Sunday: A chance of showers before 2pm. Mostly cloudy, with a high near 62. Chance of precipitation is 50%.

    High: 62 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 49.

    Low: 49 °F

    Mostly Cloudy

  • Memorial Day

    Memorial Day: A chance of showers after 8am. Mostly cloudy, with a high near 72. Chance of precipitation is 50%.

    High: 72 °F

    Chance
    Showers

Detailed Forecast

Today
Mostly cloudy, with a high near 64. North wind 3 to 5 mph.
Tonight
Patchy frost after 4am. Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 35. Light north wind.
Friday
Patchy frost before 7am. Otherwise, mostly sunny, with a high near 69. Light east wind.
Friday Night
A slight chance of showers after 2am. Increasing clouds, with a low around 44. Calm wind. Chance of precipitation is 20%.
Saturday
Showers, mainly after 8am. High near 55. Southeast wind 6 to 8 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.
Saturday Night
Showers. Low around 42. Chance of precipitation is 90%.
Sunday
A chance of showers before 2pm. Mostly cloudy, with a high near 62. Chance of precipitation is 50%.
Sunday Night
Mostly cloudy, with a low around 49.
Memorial Day
A chance of showers after 8am. Mostly cloudy, with a high near 72. Chance of precipitation is 50%.
Monday Night
Mostly cloudy, with a low around 52.
Tuesday
Partly sunny, with a high near 78.
Tuesday Night
Partly cloudy, with a low around 53.
Wednesday
Mostly sunny, with a high near 77.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NW Downsville NY
 42.11°N 75.03°W (Elev. 1499 ft)
Last Update:
2:30 am EDT May 21, 2026
Forecast Valid:
8am EDT May 21, 2026-6pm EDT May 27, 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