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Hazardous Weather Conditions

Current conditions at

Jamestown, Chautauqua County/Jamestown Airport (KJHW)

Lat: 42.15°NLon: 79.27°WElev: 1722ft.

Light Snow Fog/Mist

32°F

0°C

Humidity 100%
Wind Speed W 15 mph
Barometer 29.82 in (1012.5 mb)
Dewpoint 32°F (0°C)
Visibility 2.50 mi
Wind Chill22°F (-6°C)
Last update 21 Jan 10:56 pm EST
Extended Forecast for

3 Miles ESE Youngsville PA

Winter Weather Advisory January 21, 11:36pm until January 22, 10:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory January 21, 11:36pm until January 22, 10:00am

    NOW until 10:00am Thu

    Winter Weather Advisory

  • Tonight

    Low: 24 °F

    Snow

  • Thursday

    Thursday: A chance of snow showers, mainly before 8am. Mostly cloudy, with a high near 29. West wind 9 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.

    High: 29 °F

    Chance Snow
    Showers then
    Mostly Cloudy

  • Thursday Night

    Thursday Night: A slight chance of snow showers after 1am. Mostly cloudy, with a low around 9. Southwest wind around 7 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    Low: 9 °F

    Mostly Cloudy
    then Slight
    Chance Snow
    Showers

  • Friday

    Friday: A slight chance of snow showers before 1pm. Mostly cloudy, with a high near 16. Wind chill values as low as -5. West wind 7 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.

    High: 16 °F

    Slight Chance
    Snow Showers

  • Friday Night

    Friday Night: Mostly cloudy, with a low around -2. West wind around 6 mph becoming calm in the evening.

    Low: -2 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy and cold, with a high near 10.

    High: 10 °F

    Cold

  • Saturday Night

    Saturday Night: Snow likely, mainly after 1am. Mostly cloudy, with a low around 2. Chance of precipitation is 60%.

    Low: 2 °F

    Chance Snow
    then Snow
    Likely

  • Sunday

    Sunday: Snow. High near 17. Chance of precipitation is 80%.

    High: 17 °F

    Snow

Detailed Forecast

Tonight
Snow, mainly before 1am. Low around 24. Southwest wind around 9 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of 1 to 2 inches possible.
Thursday
A chance of snow showers, mainly before 8am. Mostly cloudy, with a high near 29. West wind 9 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.
Thursday Night
A slight chance of snow showers after 1am. Mostly cloudy, with a low around 9. Southwest wind around 7 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Friday
A slight chance of snow showers before 1pm. Mostly cloudy, with a high near 16. Wind chill values as low as -5. West wind 7 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
Friday Night
Mostly cloudy, with a low around -2. West wind around 6 mph becoming calm in the evening.
Saturday
Mostly cloudy and cold, with a high near 10.
Saturday Night
Snow likely, mainly after 1am. Mostly cloudy, with a low around 2. Chance of precipitation is 60%.
Sunday
Snow. High near 17. Chance of precipitation is 80%.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 7. Chance of precipitation is 50%.
Monday
A chance of snow before 1pm. Mostly cloudy, with a high near 16. Chance of precipitation is 30%.
Monday Night
Mostly cloudy, with a low around 2.
Tuesday
Partly sunny, with a high near 17.
Tuesday Night
Mostly cloudy, with a low around 6.
Wednesday
A chance of snow. Mostly cloudy, with a high near 21. Chance of precipitation is 40%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Youngsville PA
 41.85°N 79.27°W (Elev. 1339 ft)
Last Update:
7:06 pm EST Jan 21, 2026
Forecast Valid:
11pm EST Jan 21, 2026-6pm EST Jan 28, 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