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.

Overcast

43°F

6°C

Humidity 53%
Wind Speed S 8 mph
Barometer 30.06 in (1019.2 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 25 Nov 2:56 am EST
Extended Forecast for

6 Miles NNW Grand Valley PA

Winter Storm Watch November 27, 01:00am until November 28, 07:00pm
Click here for hazard details and duration
Winter Storm Watch

  • Overnight

    Overnight: Cloudy, with a low around 36. South wind around 6 mph.

    Low: 36 °F

    Cloudy

  • Tuesday

    Tuesday: Rain, mainly after 10am. High near 52. South wind 6 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 52 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain likely, mainly before 9pm. Cloudy, with a low around 44. South wind around 7 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 44 °F

    Rain Likely

  • Wednesday

    Wednesday: Rain before 4pm, then a chance of snow. High near 54. Southwest wind 7 to 14 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 54 °F

    Rain then
    Rain/Snow

  • Wednesday Night

    Wednesday Night: A chance of snow before 7pm, then snow showers likely, mainly after 1am. Mostly cloudy, with a low around 25. Southwest wind 14 to 16 mph, with gusts as high as 39 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 25 °F

    Snow Showers
    Likely

  • Thanksgiving Day

    Thanksgiving Day: Snow showers. High near 32. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    High: 32 °F

    Snow Showers

  • Thursday Night

    Thursday Night: Snow showers. The snow could be heavy at times. Low around 24. Chance of precipitation is 90%.

    Low: 24 °F

    Heavy Snow

  • Friday

    Friday: Snow showers. High near 31. Chance of precipitation is 80%.

    High: 31 °F

    Snow Showers

  • Friday Night

    Friday Night: A chance of snow showers before 1am. Mostly cloudy, with a low around 19. Chance of precipitation is 50%.

    Low: 19 °F

    Chance Snow
    Showers

Detailed Forecast

Overnight
Cloudy, with a low around 36. South wind around 6 mph.
Tuesday
Rain, mainly after 10am. High near 52. South wind 6 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday Night
Rain likely, mainly before 9pm. Cloudy, with a low around 44. South wind around 7 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Rain before 4pm, then a chance of snow. High near 54. Southwest wind 7 to 14 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Wednesday Night
A chance of snow before 7pm, then snow showers likely, mainly after 1am. Mostly cloudy, with a low around 25. Southwest wind 14 to 16 mph, with gusts as high as 39 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Thanksgiving Day
Snow showers. High near 32. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Thursday Night
Snow showers. The snow could be heavy at times. Low around 24. Chance of precipitation is 90%.
Friday
Snow showers. High near 31. Chance of precipitation is 80%.
Friday Night
A chance of snow showers before 1am. Mostly cloudy, with a low around 19. Chance of precipitation is 50%.
Saturday
Mostly cloudy, with a high near 31.
Saturday Night
A chance of snow. Cloudy, with a low around 20. Chance of precipitation is 50%.
Sunday
A chance of rain and snow. Cloudy, with a high near 38. Chance of precipitation is 50%.
Sunday Night
Rain and snow likely. Cloudy, with a low around 26. Chance of precipitation is 60%.
Monday
Rain likely. Mostly cloudy, with a high near 39. Chance of precipitation is 60%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NNW Grand Valley PA
 41.81°N 79.57°W (Elev. 1503 ft)
Last Update:
1:51 am EST Nov 25, 2025
Forecast Valid:
3am EST Nov 25, 2025-6pm EST Dec 1, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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