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.

Fair

70°F

21°C

Humidity 73%
Wind Speed Calm
Barometer 30.02 in (1015.5 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 20 May 1:56 am EDT
Extended Forecast for

Rileyville PA

  • Overnight

    Overnight: Mostly clear, with a low around 67. West wind around 6 mph.

    Low: 67 °F

    Mostly Clear

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly before 1pm. Sunny through mid morning, then becoming mostly cloudy, with a high near 79. Northwest wind around 9 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 79 °F

    Chance
    Showers then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 48. North wind around 7 mph.

    Low: 48 °F

    Mostly Cloudy

  • Thursday

    Thursday: Cloudy, then gradually becoming mostly sunny, with a high near 65. North wind around 6 mph.

    High: 65 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 43. Light north wind.

    Low: 43 °F

    Partly Cloudy

  • Friday

    Friday: A slight chance of showers after 2pm. Partly sunny, with a high near 66. Chance of precipitation is 20%.

    High: 66 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: Showers likely, mainly after 2am. Cloudy, with a low around 44. Chance of precipitation is 70%.

    Low: 44 °F

    Chance
    Showers then
    Showers
    Likely

  • Saturday

    Saturday: Showers. High near 53. Chance of precipitation is 80%.

    High: 53 °F

    Showers

  • Saturday Night

    Saturday Night: Showers likely. Cloudy, with a low around 44. Chance of precipitation is 70%.

    Low: 44 °F

    Showers
    Likely

Detailed Forecast

Overnight
Mostly clear, with a low around 67. West wind around 6 mph.
Wednesday
Showers and thunderstorms likely, mainly before 1pm. Sunny through mid morning, then becoming mostly cloudy, with a high near 79. Northwest wind around 9 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Mostly cloudy, with a low around 48. North wind around 7 mph.
Thursday
Cloudy, then gradually becoming mostly sunny, with a high near 65. North wind around 6 mph.
Thursday Night
Partly cloudy, with a low around 43. Light north wind.
Friday
A slight chance of showers after 2pm. Partly sunny, with a high near 66. Chance of precipitation is 20%.
Friday Night
Showers likely, mainly after 2am. Cloudy, with a low around 44. Chance of precipitation is 70%.
Saturday
Showers. High near 53. Chance of precipitation is 80%.
Saturday Night
Showers likely. Cloudy, with a low around 44. Chance of precipitation is 70%.
Sunday
A chance of showers. Mostly cloudy, with a high near 61. Chance of precipitation is 50%.
Sunday Night
Showers likely. Cloudy, with a low around 50. Chance of precipitation is 60%.
Memorial Day
Showers likely. Mostly cloudy, with a high near 70. Chance of precipitation is 60%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 54. Chance of precipitation is 30%.
Tuesday
A chance of showers. Partly sunny, with a high near 74. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Rileyville PA
 41.7°N 75.26°W (Elev. 1407 ft)
Last Update:
2:07 am EDT May 20, 2026
Forecast Valid:
2am EDT May 20, 2026-6pm EDT May 26, 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