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.

Fair

62°F

17°C

Humidity 31%
Wind Speed SW 6 mph
Barometer 29.95 in (1014.8 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Last update 9 Mar 6:56 pm EDT
Extended Forecast for

Niagara PA

  • Tonight

    Tonight: Patchy fog after 5am. Otherwise, clear, with a low around 38. Southwest wind around 6 mph becoming calm in the evening.

    Low: 38 °F

    Clear then
    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 9am. Otherwise, sunny, with a high near 67. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 67 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of showers after 2am. Patchy fog before 4am, then patchy fog after 5am. Otherwise, partly cloudy, with a low around 50. Light south wind. Chance of precipitation is 20%.

    Low: 50 °F

    Mostly Clear
    then Slight
    Chance
    Showers and
    Patchy Fog

  • Wednesday

    Wednesday: Showers likely, mainly after 2pm. Patchy fog before 7am. Otherwise, mostly cloudy, with a high near 70. South wind 5 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 70 °F

    Chance
    Showers and
    Patchy Fog
    then Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm. Low around 38. South wind 11 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 90%.

    Low: 38 °F

    Showers

  • Thursday

    Thursday: A chance of rain and snow showers before 2pm, then a slight chance of snow showers. Mostly cloudy, with a high near 41. Chance of precipitation is 40%.

    High: 41 °F

    Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 22.

    Low: 22 °F

    Partly Cloudy

  • Friday

    Friday: A chance of snow after 2pm. Partly sunny, with a high near 40. Chance of precipitation is 50%.

    High: 40 °F

    Mostly Sunny
    then Chance
    Snow

  • Friday Night

    Friday Night: Rain and snow likely, mainly before 2am. Mostly cloudy, with a low around 28. Chance of precipitation is 60%.

    Low: 28 °F

    Rain/Snow
    Likely

Detailed Forecast

Tonight
Patchy fog after 5am. Otherwise, clear, with a low around 38. Southwest wind around 6 mph becoming calm in the evening.
Tuesday
Patchy fog before 9am. Otherwise, sunny, with a high near 67. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Tuesday Night
A slight chance of showers after 2am. Patchy fog before 4am, then patchy fog after 5am. Otherwise, partly cloudy, with a low around 50. Light south wind. Chance of precipitation is 20%.
Wednesday
Showers likely, mainly after 2pm. Patchy fog before 7am. Otherwise, mostly cloudy, with a high near 70. South wind 5 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Showers and possibly a thunderstorm. Low around 38. South wind 11 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 90%.
Thursday
A chance of rain and snow showers before 2pm, then a slight chance of snow showers. Mostly cloudy, with a high near 41. Chance of precipitation is 40%.
Thursday Night
Partly cloudy, with a low around 22.
Friday
A chance of snow after 2pm. Partly sunny, with a high near 40. Chance of precipitation is 50%.
Friday Night
Rain and snow likely, mainly before 2am. Mostly cloudy, with a low around 28. Chance of precipitation is 60%.
Saturday
Mostly sunny, with a high near 40.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 26. Chance of precipitation is 50%.
Sunday
A chance of rain and snow. Mostly cloudy, with a high near 50. Chance of precipitation is 40%.
Sunday Night
Rain and snow. Low around 32. Chance of precipitation is 80%.
Monday
Rain and snow. High near 43. Chance of precipitation is 80%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Niagara PA
 41.73°N 75.34°W (Elev. 1299 ft)
Last Update:
3:22 pm EDT Mar 9, 2026
Forecast Valid:
6pm EDT Mar 9, 2026-6pm EDT Mar 16, 2026
 
Forecast Discussion
 
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Additional Resources

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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