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Hazardous Weather Conditions

Current conditions at

Jamestown, Chautauqua County/Jamestown Airport (KJHW)

Lat: 42.15°NLon: 79.27°WElev: 1722ft.

Fair

54°F

12°C

Humidity 80%
Wind Speed S 6 mph
Barometer 29.90 in (1012.5 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Wind Chill52°F (11°C)
Last update 18 Apr 4:56 am EDT
Extended Forecast for

Mayville NY

  • Today

    Today: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 3pm. High near 75. Breezy, with a south wind 10 to 20 mph, with gusts as high as 37 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 75 °F

    Partly Sunny
    then Showers
    and Breezy

  • Tonight

    Tonight: Showers and possibly a thunderstorm before 3am, then a chance of showers between 3am and 4am. Low around 35. West wind 9 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 35 °F

    Showers

  • Sunday

    Sunday: A slight chance of rain and snow showers before 11am, then a chance of rain showers after 2pm. Partly sunny, with a high near 46. West wind 10 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 46 °F

    Slight Chance
    Rain/Snow
    then Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of rain and snow showers before 11pm, then a chance of snow showers between 11pm and 2am. Mostly cloudy, with a low around 26. Northwest wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 26 °F

    Chance
    Rain/Snow
    then Chance
    Snow Showers

  • Monday

    Monday: Mostly sunny, with a high near 40. Northwest wind around 10 mph.

    High: 40 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 26. West wind around 6 mph becoming south after midnight.

    Low: 26 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 57. Southwest wind 8 to 11 mph, with gusts as high as 22 mph.

    High: 57 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers between 8pm and 2am. Mostly cloudy, with a low around 41. Southwest wind around 8 mph. Chance of precipitation is 30%.

    Low: 41 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 59.

    High: 59 °F

    Mostly Sunny

Detailed Forecast

Today
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 3pm. High near 75. Breezy, with a south wind 10 to 20 mph, with gusts as high as 37 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Showers and possibly a thunderstorm before 3am, then a chance of showers between 3am and 4am. Low around 35. West wind 9 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
A slight chance of rain and snow showers before 11am, then a chance of rain showers after 2pm. Partly sunny, with a high near 46. West wind 10 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Sunday Night
A chance of rain and snow showers before 11pm, then a chance of snow showers between 11pm and 2am. Mostly cloudy, with a low around 26. Northwest wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Monday
Mostly sunny, with a high near 40. Northwest wind around 10 mph.
Monday Night
Partly cloudy, with a low around 26. West wind around 6 mph becoming south after midnight.
Tuesday
Mostly sunny, with a high near 57. Southwest wind 8 to 11 mph, with gusts as high as 22 mph.
Tuesday Night
A chance of showers between 8pm and 2am. Mostly cloudy, with a low around 41. Southwest wind around 8 mph. Chance of precipitation is 30%.
Wednesday
Mostly sunny, with a high near 59.
Wednesday Night
Mostly clear, with a low around 40.
Thursday
Sunny, with a high near 66.
Thursday Night
Mostly clear, with a low around 48.
Friday
A chance of showers. Mostly sunny, with a high near 70. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Mayville NY
 42.24°N 79.51°W (Elev. 1365 ft)
Last Update:
3:58 am EDT Apr 18, 2026
Forecast Valid:
5am EDT Apr 18, 2026-6pm EDT Apr 24, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation