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

Severe Thunderstorms and Heavy Rainfall from the Lower Mississippi Valley to the Mid-Atlantic; Active Pattern Continues in Hawaii

Scattered severe thunderstorms are expected today from the ArkLaTex and Lower Mississippi Valley through the Ohio Valley and Mid-Atlantic. Thunderstorms may produce heavy to excessive rain that could pose a flooding threat today from east Texas into New York. A powerful kona storm will continue to impact Hawaii through Saturday, bringing heavy rainfall, strong winds, and severe thunderstorms. Read More >

Hazardous Weather Conditions

Current conditions at

Jamestown, Chautauqua County/Jamestown Airport (KJHW)

Lat: 42.15°NLon: 79.27°WElev: 1722ft.

Rain Fog/Mist

57°F

14°C

Humidity 100%
Wind Speed S 10 mph
Barometer 29.62 in (1003.3 mb)
Dewpoint 57°F (14°C)
Visibility 3.00 mi
Last update 11 Mar 12:56 pm EDT
Extended Forecast for

2 Miles ENE Mayville NY

  • This Afternoon

    This Afternoon: Rain and possibly a thunderstorm before 3pm, then showers likely between 3pm and 5pm, then rain and possibly a thunderstorm after 5pm. Some of the storms could produce heavy rainfall. High near 66. Breezy, with a south wind 18 to 21 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 66 °F

    Heavy Rain
    and Breezy

  • Tonight

    Tonight: Rain showers, snow showers, and sleet before 1am, then a chance of snow showers. Some thunder is also possible. Low around 25. Breezy, with a west wind 20 to 22 mph, with gusts as high as 37 mph. Chance of precipitation is 80%. New snow and sleet accumulation of less than one inch possible.

    Low: 25 °F

    Breezy.
    Showers then
    Chance
    Snow/Sleet

  • Thursday

    Thursday: A chance of snow showers, mainly before 7am. Partly sunny, with a high near 34. West wind 16 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    High: 34 °F

    Chance Snow
    Showers then
    Partly Sunny

  • Thursday Night

    Thursday Night: A slight chance of snow showers after 2am. Partly cloudy, with a low around 25. West wind 6 to 9 mph becoming south after midnight. Chance of precipitation is 20%.

    Low: 25 °F

    Partly Cloudy
    then Slight
    Chance Snow
    Showers

  • Friday

    Friday: Rain and snow likely before 2pm, then a chance of rain between 2pm and 5pm, then a chance of rain and snow after 5pm. Mostly cloudy, with a high near 44. Breezy, with a south wind 17 to 24 mph, with gusts as high as 39 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 44 °F

    Rain/Snow
    Likely and
    Breezy

  • Friday Night

    Friday Night: A chance of rain and snow showers before 8pm, then a chance of snow showers. Mostly cloudy, with a low around 22. Breezy, with a west wind 18 to 21 mph, with gusts as high as 41 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 22 °F

    Breezy.
    Chance
    Rain/Snow
    then Chance
    Snow Showers

  • Saturday

    Saturday: Partly sunny, with a high near 33. West wind 13 to 15 mph, with gusts as high as 26 mph.

    High: 33 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A chance of snow showers after 2am. Mostly cloudy, with a low around 24. Light and variable wind becoming east around 6 mph after midnight. Chance of precipitation is 50%.

    Low: 24 °F

    Mostly Cloudy
    then Chance
    Snow Showers

  • Sunday

    Sunday: Rain and snow showers likely before 2pm, then a chance of rain showers. Mostly cloudy, with a high near 52. Chance of precipitation is 60%.

    High: 52 °F

    Rain/Snow
    Likely

Detailed Forecast

This Afternoon
Rain and possibly a thunderstorm before 3pm, then showers likely between 3pm and 5pm, then rain and possibly a thunderstorm after 5pm. Some of the storms could produce heavy rainfall. High near 66. Breezy, with a south wind 18 to 21 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Rain showers, snow showers, and sleet before 1am, then a chance of snow showers. Some thunder is also possible. Low around 25. Breezy, with a west wind 20 to 22 mph, with gusts as high as 37 mph. Chance of precipitation is 80%. New snow and sleet accumulation of less than one inch possible.
Thursday
A chance of snow showers, mainly before 7am. Partly sunny, with a high near 34. West wind 16 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Thursday Night
A slight chance of snow showers after 2am. Partly cloudy, with a low around 25. West wind 6 to 9 mph becoming south after midnight. Chance of precipitation is 20%.
Friday
Rain and snow likely before 2pm, then a chance of rain between 2pm and 5pm, then a chance of rain and snow after 5pm. Mostly cloudy, with a high near 44. Breezy, with a south wind 17 to 24 mph, with gusts as high as 39 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
A chance of rain and snow showers before 8pm, then a chance of snow showers. Mostly cloudy, with a low around 22. Breezy, with a west wind 18 to 21 mph, with gusts as high as 41 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Partly sunny, with a high near 33. West wind 13 to 15 mph, with gusts as high as 26 mph.
Saturday Night
A chance of snow showers after 2am. Mostly cloudy, with a low around 24. Light and variable wind becoming east around 6 mph after midnight. Chance of precipitation is 50%.
Sunday
Rain and snow showers likely before 2pm, then a chance of rain showers. Mostly cloudy, with a high near 52. Chance of precipitation is 60%.
Sunday Night
Rain showers likely before 2am, then rain and snow showers. Low around 26. Breezy. Chance of precipitation is 90%.
Monday
Rain and snow showers. High near 38. Breezy. Chance of precipitation is 80%.
Monday Night
A chance of snow showers. Mostly cloudy, with a low around 15. Chance of precipitation is 40%.
Tuesday
A chance of snow showers. Mostly cloudy, with a high near 24. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Mayville NY
 42.26°N 79.47°W (Elev. 1348 ft)
Last Update:
9:58 am EDT Mar 11, 2026
Forecast Valid:
1pm EDT Mar 11, 2026-6pm EDT Mar 17, 2026
 
Forecast Discussion
 
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