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

Hazardous Weather Conditions

Current conditions at

Jamestown, Chautauqua County/Jamestown Airport (KJHW)

Lat: 42.15°NLon: 79.27°WElev: 1722ft.

Light Snow Fog/Mist

10°F

-12°C

Humidity 84%
Wind Speed W 13 G 21 mph
Barometer 29.55 in (1004.4 mb)
Dewpoint 6°F (-14°C)
Visibility 1.00 mi
Wind Chill-5°F (-21°C)
Last update 15 Jan 4:56 pm EST
Extended Forecast for

3 Miles N Grand Valley PA

Winter Weather Advisory January 15, 05:53pm until January 16, 01:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory January 15, 05:53pm until January 16, 01:00am

    NOW until 1:00am Fri

    Winter Weather Advisory

  • This Afternoon

    High: 14 °F

    Snow Showers
    Likely

  • Tonight

    Tonight: Scattered snow showers, mainly before 10pm. Mostly cloudy, with a low around 10. Wind chill values as low as zero. Northwest wind 7 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    Low: 10 °F

    Scattered
    Snow Showers
    then Mostly
    Cloudy

  • Friday

    Friday: A chance of snow, mainly after 3pm. Mostly cloudy, with a high near 28. South wind 6 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.

    High: 28 °F

    Chance Snow

  • Friday Night

    Friday Night: A chance of snow, mainly after 1am. Mostly cloudy, with a low around 24. Southwest wind 6 to 9 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.

    Low: 24 °F

    Chance Snow

  • Saturday

    Saturday: Snow showers likely. Mostly cloudy, with a high near 33. Southwest wind 6 to 8 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

    High: 33 °F

    Snow Showers
    Likely

  • Saturday Night

    Saturday Night: A chance of snow showers, mainly before 1am. Mostly cloudy, with a low around 10. Chance of precipitation is 30%.

    Low: 10 °F

    Chance Snow
    Showers

  • Sunday

    Sunday: Partly sunny, with a high near 18.

    High: 18 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 9.

    Low: 9 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Snow showers likely. Mostly cloudy, with a high near 14. Wind chill values as low as zero. West wind around 10 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. Total daytime snow accumulation of less than one inch possible.
Tonight
Scattered snow showers, mainly before 10pm. Mostly cloudy, with a low around 10. Wind chill values as low as zero. Northwest wind 7 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Friday
A chance of snow, mainly after 3pm. Mostly cloudy, with a high near 28. South wind 6 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.
Friday Night
A chance of snow, mainly after 1am. Mostly cloudy, with a low around 24. Southwest wind 6 to 9 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.
Saturday
Snow showers likely. Mostly cloudy, with a high near 33. Southwest wind 6 to 8 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.
Saturday Night
A chance of snow showers, mainly before 1am. Mostly cloudy, with a low around 10. Chance of precipitation is 30%.
Sunday
Partly sunny, with a high near 18.
Sunday Night
Mostly cloudy, with a low around 9.
M.L.King Day
A chance of snow showers. Mostly cloudy, with a high near 17. Chance of precipitation is 50%.
Monday Night
A chance of snow showers. Mostly cloudy, with a low around -1. Chance of precipitation is 40%.
Tuesday
A chance of snow showers. Mostly cloudy and cold, with a high near 8. Chance of precipitation is 30%.
Tuesday Night
Mostly cloudy, with a low around 0.
Wednesday
A chance of snow showers. Mostly cloudy, with a high near 23. Chance of precipitation is 40%.
Wednesday Night
A chance of snow showers. Mostly cloudy, with a low around 13. Chance of precipitation is 50%.
Thursday
Mostly cloudy, with a high near 24.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles N Grand Valley PA
 41.76°N 79.55°W (Elev. 1693 ft)
Last Update:
5:02 pm EST Jan 15, 2026
Forecast Valid:
5pm EST Jan 15, 2026-6pm EST Jan 22, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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