National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Monticello, Sullivan County International Airport (KMSV)

Lat: 41.7°NLon: 74.8°WElev: 1404ft.

Mostly Cloudy

69°F

21°C

Humidity 57%
Wind Speed W 8 mph
Barometer 29.97 in (1014.7 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 24 Aug 12:56 pm EDT
Extended Forecast for

Loomis NY

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 70. Southwest wind around 8 mph.

    High: 70 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 52. West wind 3 to 5 mph.

    Low: 52 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Isolated showers after noon. Mostly sunny, with a high near 70. West wind 6 to 8 mph. Chance of precipitation is 20%.

    High: 70 °F

    Mostly Sunny
    then Isolated
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 53. Northwest wind 3 to 5 mph.

    Low: 53 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 76. Calm wind becoming west around 5 mph in the afternoon.

    High: 76 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of showers after 2am. Mostly cloudy, with a low around 58. Chance of precipitation is 20%.

    Low: 58 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm, mainly after 2pm. Mostly cloudy, with a high near 75. Chance of precipitation is 70%.

    High: 75 °F

    Chance
    Showers then
    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 8pm, then showers likely between 8pm and 2am. Mostly cloudy, with a low around 60. Chance of precipitation is 70%.

    Low: 60 °F

    Showers
    Likely

  • Friday

    Friday: A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 77. Chance of precipitation is 30%.

    High: 77 °F

    Partly Sunny
    then Chance
    T-storms

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 70. Southwest wind around 8 mph.
Tonight
Partly cloudy, with a low around 52. West wind 3 to 5 mph.
Tuesday
Isolated showers after noon. Mostly sunny, with a high near 70. West wind 6 to 8 mph. Chance of precipitation is 20%.
Tuesday Night
Partly cloudy, with a low around 53. Northwest wind 3 to 5 mph.
Wednesday
Mostly sunny, with a high near 76. Calm wind becoming west around 5 mph in the afternoon.
Wednesday Night
A slight chance of showers after 2am. Mostly cloudy, with a low around 58. Chance of precipitation is 20%.
Thursday
Showers likely and possibly a thunderstorm, mainly after 2pm. Mostly cloudy, with a high near 75. Chance of precipitation is 70%.
Thursday Night
Showers likely and possibly a thunderstorm before 8pm, then showers likely between 8pm and 2am. Mostly cloudy, with a low around 60. Chance of precipitation is 70%.
Friday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 77. Chance of precipitation is 30%.
Friday Night
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 56. Chance of precipitation is 30%.
Saturday
Sunny, with a high near 76.
Saturday Night
Partly cloudy, with a low around 56.
Sunday
Mostly sunny, with a high near 76.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Loomis NY
 41.78°N 74.77°W (Elev. 1722 ft)
Last Update:
2:30 am EDT Aug 24, 2026
Forecast Valid:
1pm EDT Aug 24, 2026-6pm EDT Aug 30, 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