Major Winter Storm in the North-Central U.S.; Severe Weather from the Mid-South to Ohio Valley

A major winter storm will bring a swath of heavy snowfall, strong winds, blizzard conditions and freezing rain to the Northern Plains into the Great Lakes region. A line of storms will be capable of producing widespread damaging winds, tornadoes, and some large hail from the Mid-south to the Ohio Valley and the Southeast. Critical fire weather concerns shift to the southern Rockies and Plains. Read More >

Current conditions at

Jamestown, Chautauqua County/Jamestown Airport (KJHW)

Lat: 42.15°NLon: 79.27°WElev: 1722ft.

Mostly Cloudy and Breezy

55°F

13°C

Humidity 33%
Wind Speed SE 21 G 29 mph
Barometer 29.88 in (1013.3 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill50°F (10°C)
Last update 15 Mar 1:56 pm EDT
Extended Forecast for

4 Miles S Sinclairville NY

High Wind Warning March 15, 02:34pm until March 16, 08:00pm
Click here for hazard details and duration
High Wind Warning
  •  
    High Wind Warning March 15, 02:34pm until March 16, 08:00pm

    NOW until 8:00pm Mon

    High Wind Warning

  • This Afternoon

    High: 57 °F

    Partly Sunny
    and Breezy

  • Tonight

    Tonight: Mostly cloudy, with a low around 44. Breezy, with a south wind 20 to 22 mph, with gusts as high as 38 mph.

    Low: 44 °F

    Mostly Cloudy
    and Breezy

  • Monday

    Monday: Rain showers before 5pm, then rain and snow showers likely.  Temperature rising to near 58 by 11am, then falling to around 37 during the remainder of the day. South wind around 16 mph becoming southwest in the afternoon. Winds could gust as high as 36 mph.  Chance of precipitation is 100%. Little or no snow accumulation expected.

    High: 58 °F

    Chance
    Showers then
    Rain/Snow

  • Monday Night

    Monday Night: Snow showers.  Low around 14. West wind around 16 mph, with gusts as high as 37 mph.  Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    Low: 14 °F

    Snow Showers

  • Tuesday

    Tuesday: Snow showers likely, mainly before 2pm.  Mostly cloudy, with a high near 22. West wind around 15 mph, with gusts as high as 34 mph.  Chance of precipitation is 70%.

    High: 22 °F

    Snow Showers
    Likely

  • Tuesday Night

    Tuesday Night: A chance of snow showers.  Mostly cloudy, with a low around 15. West wind 5 to 9 mph.  Chance of precipitation is 40%.

    Low: 15 °F

    Chance Snow
    Showers

  • Wednesday

    Wednesday: Partly sunny, with a high near 34. South wind 5 to 8 mph.

    High: 34 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 26. South wind around 7 mph.

    Low: 26 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Partly sunny, with a high near 57. Breezy, with a south wind around 20 mph, with gusts as high as 33 mph.
Tonight
Mostly cloudy, with a low around 44. Breezy, with a south wind 20 to 22 mph, with gusts as high as 38 mph.
Monday
Rain showers before 5pm, then rain and snow showers likely. Temperature rising to near 58 by 11am, then falling to around 37 during the remainder of the day. South wind around 16 mph becoming southwest in the afternoon. Winds could gust as high as 36 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Monday Night
Snow showers. Low around 14. West wind around 16 mph, with gusts as high as 37 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Tuesday
Snow showers likely, mainly before 2pm. Mostly cloudy, with a high near 22. West wind around 15 mph, with gusts as high as 34 mph. Chance of precipitation is 70%.
Tuesday Night
A chance of snow showers. Mostly cloudy, with a low around 15. West wind 5 to 9 mph. Chance of precipitation is 40%.
Wednesday
Partly sunny, with a high near 34. South wind 5 to 8 mph.
Wednesday Night
Mostly cloudy, with a low around 26. South wind around 7 mph.
Thursday
A chance of showers after 2pm. Mostly cloudy, with a high near 42. Chance of precipitation is 30%.
Thursday Night
A chance of showers before 8pm. Mostly cloudy, with a low around 30. Chance of precipitation is 30%.
Friday
A chance of showers. Mostly cloudy, with a high near 49. Chance of precipitation is 40%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 32. Chance of precipitation is 50%.
Saturday
A chance of rain and snow showers. Mostly cloudy, with a high near 48. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Sinclairville NY
 42.2°N 79.25°W (Elev. 1375 ft)
2:22 pm EDT Mar 15, 2026
2pm EDT Mar 15, 2026-6pm EDT Mar 21, 2026
 
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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