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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

19°C

67°F

Humidity 100%
Wind Speed S 7 km/h
Barometer 1024.3 mb (30.27 in)
Dewpoint 19°C (67°F)
Visibility 16 km
Last update 19 Jun 1:56 am EDT
Extended Forecast for

Mayville NY

Heat Advisory June 19, 02:01am until June 20, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory June 19, 02:01am until June 20, 08:00pm

    NOW until 8:00pm Thu

    Heat Advisory

  • Overnight

    Low: 19 °C

    Partly Cloudy

  • Juneteenth

    Juneteenth: A slight chance of showers, then a chance of showers and thunderstorms after 8am. Partly sunny, with a high near 31. Heat index values as high as 36. South wind 13 to 16 km/h. Chance of precipitation is 50%. New rainfall amounts between 2.5 and 5 mm possible.

    High: 31 °C

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, mainly between 8pm and 2am. Mostly cloudy, with a low around 22. Light southeast wind becoming south 8 to 13 km/h in the evening. Chance of precipitation is 30%. New rainfall amounts between 2.5 and 5 mm possible.

    Low: 22 °C

    Chance
    T-storms

  • Thursday

    Thursday: A chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 31. South wind 8 to 10 km/h becoming west in the afternoon. Chance of precipitation is 30%. New rainfall amounts of less than 1 mm, except higher amounts possible in thunderstorms.

    High: 31 °C

    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, mainly before 2am. Partly cloudy, with a low around 20. Calm wind. Chance of precipitation is 30%. New rainfall amounts of less than 1 mm, except higher amounts possible in thunderstorms.

    Low: 20 °C

    Chance
    T-storms

  • Friday

    Friday: A chance of showers and thunderstorms, mainly after 8am. Mostly sunny, with a high near 29. Calm wind becoming northwest 5 to 10 km/h in the morning. Chance of precipitation is 30%. New rainfall amounts of less than 1 mm, except higher amounts possible in thunderstorms.

    High: 29 °C

    Chance
    T-storms

  • Friday Night

    Friday Night: Partly cloudy, with a low around 19. Calm wind.

    Low: 19 °C

    Partly Cloudy

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after 2pm. Mostly sunny, with a high near 30. South wind 5 to 11 km/h becoming west in the afternoon. Chance of precipitation is 30%.

    High: 30 °C

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Overnight
Partly cloudy, with a low around 19. South wind 11 to 14 km/h.
Juneteenth
A slight chance of showers, then a chance of showers and thunderstorms after 8am. Partly sunny, with a high near 31. Heat index values as high as 36. South wind 13 to 16 km/h. Chance of precipitation is 50%. New rainfall amounts between 2.5 and 5 mm possible.
Wednesday Night
A chance of showers and thunderstorms, mainly between 8pm and 2am. Mostly cloudy, with a low around 22. Light southeast wind becoming south 8 to 13 km/h in the evening. Chance of precipitation is 30%. New rainfall amounts between 2.5 and 5 mm possible.
Thursday
A chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 31. South wind 8 to 10 km/h becoming west in the afternoon. Chance of precipitation is 30%. New rainfall amounts of less than 1 mm, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers and thunderstorms, mainly before 2am. Partly cloudy, with a low around 20. Calm wind. Chance of precipitation is 30%. New rainfall amounts of less than 1 mm, except higher amounts possible in thunderstorms.
Friday
A chance of showers and thunderstorms, mainly after 8am. Mostly sunny, with a high near 29. Calm wind becoming northwest 5 to 10 km/h in the morning. Chance of precipitation is 30%. New rainfall amounts of less than 1 mm, except higher amounts possible in thunderstorms.
Friday Night
Partly cloudy, with a low around 19. Calm wind.
Saturday
A chance of showers, with thunderstorms also possible after 2pm. Mostly sunny, with a high near 30. South wind 5 to 11 km/h becoming west in the afternoon. Chance of precipitation is 30%.
Saturday Night
A chance of thunderstorms before 8pm, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 21. Chance of precipitation is 30%.
Sunday
A chance of showers and thunderstorms before 8am, then a chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 29. Chance of precipitation is 50%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 17. Chance of precipitation is 40%.
Monday
Mostly sunny, with a high near 22.
Monday Night
Mostly clear, with a low around 14.
Tuesday
Sunny, with a high near 28.
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ABOUT THIS FORECAST

 
Point Forecast:
Mayville NY
 42.24°N 79.51°W (Elev. 1365 m)
Last Update:
1:38 am EDT Jun 19, 2024
Forecast Valid:
2am EDT Jun 19, 2024-6pm EDT Jun 25, 2024
 
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