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

Tracking a Winter Storm; Unusual Early-Season Heat Wave in the Southwest

A major winter storm will organize across the Northern Plains today and then rapidly strengthen as it moves into the Great Lakes on Sunday. Heavy snow and blowing snow are likely to persist over the Great Lakes into Monday night. Dry and gusty winds will produce a critical fire risk across the central/southern Plains. An early heatwave will begin to intensify over the western U.S. into next week. Read More >

Hazardous Weather Conditions

Current conditions at

Jamestown, Chautauqua County/Jamestown Airport (KJHW)

Lat: 42.15°NLon: 79.27°WElev: 1722ft.

Overcast

31°F

-1°C

Humidity 64%
Wind Speed NW 18 mph
Barometer 30.16 in (1023.6 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 14 Mar 1:56 pm EDT
Extended Forecast for

Sinclairville NY

High Wind Watch March 15, 05:00pm until March 16, 08:00pm
Click here for hazard details and duration
High Wind Watch

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 34. West wind around 14 mph, with gusts as high as 24 mph.

    High: 34 °F

    Mostly Sunny

  • Tonight

    Tonight: Snow showers likely, mainly after 4am. Mostly cloudy, with a low around 24. Light and variable wind. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 24 °F

    Mostly Cloudy
    then Snow
    Showers
    Likely

  • Sunday

    Sunday: A chance of snow before 7am. Cloudy, then gradually becoming mostly sunny, with a high near 54. South wind 10 to 18 mph, with gusts as high as 33 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    High: 54 °F

    Chance Snow
    then Partly
    Sunny

  • Sunday Night

    Sunday Night: A slight chance of rain after 2am. Mostly cloudy, with a low around 45. Breezy, with a south wind 17 to 20 mph, with gusts as high as 47 mph. Chance of precipitation is 20%.

    Low: 45 °F

    Breezy.
    Mostly Cloudy
    then Slight
    Chance Rain

  • Monday

    Monday: Rain showers before 5pm, then snow showers likely, possibly mixed with rain. High near 58. South wind around 15 mph becoming southwest in the afternoon. Winds could gust as high as 37 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 58 °F

    Showers then
    Rain/Snow

  • Monday Night

    Monday Night: Snow showers likely, possibly mixed with rain before 8pm, then snow showers. Low around 15. West wind 13 to 16 mph, with gusts as high as 39 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 15 °F

    Rain/Snow
    then Snow
    Showers

  • Tuesday

    Tuesday: Snow showers likely. Mostly cloudy, with a high near 24. West wind around 15 mph, with gusts as high as 34 mph. Chance of precipitation is 70%.

    High: 24 °F

    Snow Showers
    Likely

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 16. West wind 5 to 8 mph.

    Low: 16 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 35.

    High: 35 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 34. West wind around 14 mph, with gusts as high as 24 mph.
Tonight
Snow showers likely, mainly after 4am. Mostly cloudy, with a low around 24. Light and variable wind. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Sunday
A chance of snow before 7am. Cloudy, then gradually becoming mostly sunny, with a high near 54. South wind 10 to 18 mph, with gusts as high as 33 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Sunday Night
A slight chance of rain after 2am. Mostly cloudy, with a low around 45. Breezy, with a south wind 17 to 20 mph, with gusts as high as 47 mph. Chance of precipitation is 20%.
Monday
Rain showers before 5pm, then snow showers likely, possibly mixed with rain. High near 58. South wind around 15 mph becoming southwest in the afternoon. Winds could gust as high as 37 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Monday Night
Snow showers likely, possibly mixed with rain before 8pm, then snow showers. Low around 15. West wind 13 to 16 mph, with gusts as high as 39 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
Snow showers likely. Mostly cloudy, with a high near 24. West wind around 15 mph, with gusts as high as 34 mph. Chance of precipitation is 70%.
Tuesday Night
Mostly cloudy, with a low around 16. West wind 5 to 8 mph.
Wednesday
Mostly cloudy, with a high near 35.
Wednesday Night
A chance of snow showers between 8pm and 2am. Mostly cloudy, with a low around 28. Chance of precipitation is 30%.
Thursday
Mostly cloudy, with a high near 45.
Thursday Night
Mostly cloudy, with a low around 34.
Friday
Partly sunny, with a high near 47.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sinclairville NY
 42.25°N 79.3°W (Elev. 1293 ft)
Last Update:
1:58 pm EDT Mar 14, 2026
Forecast Valid:
2pm EDT Mar 14, 2026-6pm EDT Mar 20, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation