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 >

Hazardous Weather Conditions

Current conditions at

Jamestown, Chautauqua County/Jamestown Airport (KJHW)

Lat: 42.15°NLon: 79.27°WElev: 1722ft.

Fair

78°F

26°C

Humidity 79%
Wind Speed NW 7 mph
Barometer 30.03 in (1016.2 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 13 Jul 7:56 pm EDT
Extended Forecast for

Leon NYSimilar City Names

  • Tonight

    Tonight: A chance of showers and thunderstorms, mainly before 9pm.  Partly cloudy, with a low around 66. Light south wind.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    Chance
    Showers then
    Partly Cloudy

  • Monday

    Monday: A slight chance of showers between 10am and 2pm, then a slight chance of showers and thunderstorms after 2pm.  Mostly cloudy, then gradually becoming sunny, with a high near 80. Calm wind becoming west around 6 mph in the afternoon.  Chance of precipitation is 20%.

    High: 80 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • 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 85. Light and variable wind.

    High: 85 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 67. Calm wind becoming south around 5 mph after midnight.

    Low: 67 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 11am.  Partly sunny, with a high near 84. Southwest wind around 6 mph.  Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 84 °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 50%.

    Low: 68 °F

    Chance
    T-storms

  • Thursday

    Thursday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm.  Mostly cloudy, with a high near 82. Southwest wind 7 to 9 mph.  Chance of precipitation is 70%.

    High: 82 °F

    Chance
    T-storms then
    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm.  Mostly cloudy, with a low around 67. Chance of precipitation is 60%.

    Low: 67 °F

    Showers
    Likely then
    Chance
    T-storms

Detailed Forecast

Tonight
A chance of showers and thunderstorms, mainly before 9pm. Partly cloudy, with a low around 66. Light south wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
A slight chance of showers between 10am and 2pm, then a slight chance of showers and thunderstorms after 2pm. Mostly cloudy, then gradually becoming sunny, with a high near 80. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 20%.
Monday Night
Mostly clear, with a low around 62. Calm wind.
Tuesday
Sunny, with a high near 85. Light and variable wind.
Tuesday Night
Partly cloudy, with a low around 67. Calm wind becoming south around 5 mph after midnight.
Wednesday
A chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 84. Southwest wind around 6 mph. Chance of precipitation is 50%. 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 50%.
Thursday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 82. Southwest wind 7 to 9 mph. Chance of precipitation is 70%.
Thursday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.
Friday
A chance of showers. Mostly cloudy, with a high near 77. Chance of precipitation is 50%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 62. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 78.
Saturday Night
Partly cloudy, with a low around 61.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 78. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Leon NYSimilar City Names
 42.31°N 78.99°W (Elev. 1657 ft)
8:08 pm EDT Jul 13, 2025
8pm EDT Jul 13, 2025-6pm EDT Jul 20, 2025
 
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