Heavy to Excessive Rainfall and Flooding Threats in the Central and Eastern U.S.; Heat and Fire Weather Concerns in the West

Thunderstorms producing excessive rainfall and potential flooding concerns will continue through tonight from the Southern Plains to the East Coast. Areas of greatest concern for flooding are over central Texas and the Mid-Atlantic. Heat will continue to build across the West through Tuesday. Heat Advisories and Extreme Heat Warnings are in effect. Fire Weather concerns continue through Monday. Read More >

Current conditions at

Jamestown, Chautauqua County/Jamestown Airport (KJHW)

Lat: 42.15°NLon: 79.27°WElev: 1722ft.

Fair

69°F

21°C

Humidity 100%
Wind Speed S 5 mph
Barometer 30.06 in (1017.1 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 14 Jul 12:56 am EDT
Extended Forecast for

Leon NYSimilar City Names

  • Overnight

    Overnight: Partly cloudy, with a low around 66. South wind around 6 mph.

    Low: 66 °F

    Partly Cloudy

  • Monday

    Monday: A chance of showers and thunderstorms, mainly between 10am and 3pm.  Cloudy, then gradually becoming mostly sunny, with a high near 80. South wind 5 to 8 mph becoming northwest in the afternoon.  Chance of precipitation is 30%.

    High: 80 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Mostly clear, with a low around 62. Calm wind.

    Low: 62 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 84. Light and variable wind.

    High: 84 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 67. Light and variable wind.

    Low: 67 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 11am.  Partly sunny, with a high near 83. Southwest wind around 6 mph.  Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 83 °F

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 68. South wind around 6 mph.  Chance of precipitation is 40%.

    Low: 68 °F

    Chance
    T-storms

  • Thursday

    Thursday: A chance of showers before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm.  Mostly cloudy, with a high near 81. West wind 7 to 10 mph.  Chance of precipitation is 70%.

    High: 81 °F

    Chance
    T-storms then
    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 2am, then a chance of showers and thunderstorms after 2am.  Mostly cloudy, with a low around 66. Chance of precipitation is 60%.

    Low: 66 °F

    Showers
    Likely

Detailed Forecast

Overnight
Partly cloudy, with a low around 66. South wind around 6 mph.
Monday
A chance of showers and thunderstorms, mainly between 10am and 3pm. Cloudy, then gradually becoming mostly sunny, with a high near 80. South wind 5 to 8 mph becoming northwest in the afternoon. Chance of precipitation is 30%.
Monday Night
Mostly clear, with a low around 62. Calm wind.
Tuesday
Sunny, with a high near 84. Light and variable wind.
Tuesday Night
Partly cloudy, with a low around 67. Light and variable wind.
Wednesday
A chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 83. Southwest wind around 6 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. South wind around 6 mph. Chance of precipitation is 40%.
Thursday
A chance of showers before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 81. West wind 7 to 10 mph. Chance of precipitation is 70%.
Thursday Night
Showers likely and possibly a thunderstorm before 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.
Friday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 77. Chance of precipitation is 50%.
Friday Night
Mostly cloudy, with a low around 62.
Saturday
Partly sunny, with a high near 78.
Saturday Night
Partly cloudy, with a low around 62.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 79. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Leon NYSimilar City Names
 42.31°N 78.99°W (Elev. 1657 ft)
1:36 am EDT Jul 14, 2025
1am EDT Jul 14, 2025-6pm EDT Jul 20, 2025
 
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