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

Tropical Storm and Storm Surge Warnings for the North Carolina Outer Banks; Hot in the Mississippi Valley

Tropical Storm conditions and coastal flooding are possible in the North Carolina Outer Banks beginning late Wednesday. Tropical Storm and Storm Surge Warnings are in effect. Hurricane Erin is expected to bring life threatening surf and rip currents along the East Coast beaches this week. Hot to extremely hot temperatures continue across parts of the Southern Plains and Mississippi Valley today. Read More >

Current conditions at

Jamestown, Chautauqua County/Jamestown Airport (KJHW)

Lat: 42.15°NLon: 79.27°WElev: 1722ft.

Overcast

76°F

24°C

Humidity 60%
Wind Speed S 6 mph
Barometer 30.02 in (1016.3 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 19 Aug 5:56 pm EDT
Extended Forecast for

Mayville NY

  • Tonight

    Tonight: Showers and thunderstorms before 2am, then showers and possibly a thunderstorm, mainly after 2am. Low around 64. South wind 6 to 9 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 64 °F

    Showers

  • Wednesday

    Wednesday: Showers likely, with thunderstorms also possible after 2pm. Cloudy, with a high near 73. South wind around 8 mph becoming north in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 73 °F

    Showers
    Likely then
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers, mainly between 9pm and 3am. Mostly cloudy, with a low around 60. Northeast wind 6 to 8 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 60 °F

    Chance
    Showers

  • Thursday

    Thursday: Partly sunny, with a high near 74. Northeast wind 7 to 10 mph.

    High: 74 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 56. East wind 5 to 8 mph.

    Low: 56 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 79. Light and variable wind becoming northeast around 6 mph in the morning.

    High: 79 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 60. Northeast wind around 6 mph becoming south after midnight.

    Low: 60 °F

    Mostly Clear

  • Saturday

    Saturday: A chance of showers after 2pm. Mostly sunny, with a high near 81. South wind 6 to 9 mph becoming west in the afternoon. Chance of precipitation is 30%.

    High: 81 °F

    Mostly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers. Mostly cloudy, with a low around 60. Chance of precipitation is 50%.

    Low: 60 °F

    Chance
    Showers

Detailed Forecast

Tonight
Showers and thunderstorms before 2am, then showers and possibly a thunderstorm, mainly after 2am. Low around 64. South wind 6 to 9 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers likely, with thunderstorms also possible after 2pm. Cloudy, with a high near 73. South wind around 8 mph becoming north in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A chance of showers, mainly between 9pm and 3am. Mostly cloudy, with a low around 60. Northeast wind 6 to 8 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Partly sunny, with a high near 74. Northeast wind 7 to 10 mph.
Thursday Night
Mostly clear, with a low around 56. East wind 5 to 8 mph.
Friday
Sunny, with a high near 79. Light and variable wind becoming northeast around 6 mph in the morning.
Friday Night
Mostly clear, with a low around 60. Northeast wind around 6 mph becoming south after midnight.
Saturday
A chance of showers after 2pm. Mostly sunny, with a high near 81. South wind 6 to 9 mph becoming west in the afternoon. Chance of precipitation is 30%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 60. Chance of precipitation is 50%.
Sunday
A chance of showers. Partly sunny, with a high near 75. Chance of precipitation is 30%.
Sunday Night
Partly cloudy, with a low around 54.
Monday
A chance of showers. Mostly sunny, with a high near 69. Chance of precipitation is 30%.
Monday Night
A chance of showers. Partly cloudy, with a low around 51. Chance of precipitation is 30%.
Tuesday
Mostly sunny, with a high near 68.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mayville NY
 42.24°N 79.51°W (Elev. 1365 ft)
Last Update:
4:36 pm EDT Aug 19, 2025
Forecast Valid:
6pm EDT Aug 19, 2025-6pm EDT Aug 26, 2025
 
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