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Severe Thunderstorms and Heavy Rain in Upper Midwest

A slow moving frontal boundary from the central Pains to the Upper Midwest will bring a potential for severe thunderstorms and heavy rain. Rain amounts of 1-3 inches, with locally heavier amounts can be expected. The threat of severe weather moves into the Ohio Valley and Northeast on Tuesday. Monsoon moisture continues to bring the threat of flash flooding to the Southwest and southern Rockies. Read More >

Hazardous Weather Conditions

Current conditions at

Jamestown, Chautauqua County/Jamestown Airport (KJHW)

Lat: 42.15°NLon: 79.27°WElev: 1722ft.

Overcast

64°F

18°C

Humidity 78%
Wind Speed S 6 mph
Barometer 30.19 in (1030.2 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 21 Aug 4:55 am EDT
Extended Forecast for

Ellicottville NY

  • Today

    Today: A chance of showers and thunderstorms, mainly between 7am and noon.  Partly sunny, with a high near 81. Calm wind becoming southwest 5 to 9 mph in the morning.  Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Chance
    T-storms

    High: 81 °F

  • Tonight

    Tonight: A slight chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 67. South wind 3 to 6 mph.  Chance of precipitation is 20%.

    Partly Cloudy
    then Slight
    Chance
    T-storms

    Low: 67 °F

  • Tuesday

    Tuesday: Showers and thunderstorms, mainly after 3pm. Some storms could be severe, with damaging winds and heavy rain.  High near 83. Southwest wind 8 to 17 mph, with gusts as high as 29 mph.  Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Severe
    Thunderstorms

    High: 83 °F

  • Tuesday
    Night

    Tuesday Night: Showers and thunderstorms likely before 8pm, then a chance of showers between 8pm and midnight.  Cloudy, then gradually becoming partly cloudy, with a low around 57. West wind 7 to 10 mph.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    T-storms
    Likely then
    Mostly Cloudy

    Low: 57 °F

  • Wednesday

    Wednesday: A chance of showers after noon.  Mostly cloudy, with a high near 70. Northwest wind 5 to 11 mph.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Mostly Cloudy
    then Chance
    Showers

    High: 70 °F

  • Wednesday
    Night

    Wednesday Night: A chance of showers.  Mostly cloudy, with a low around 51. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Chance
    Showers

    Low: 51 °F

  • Thursday

    Thursday: A chance of showers.  Partly sunny, with a high near 66. Chance of precipitation is 30%.

    Chance
    Showers

    High: 66 °F

  • Thursday
    Night

    Thursday Night: Partly cloudy, with a low around 46.

    Partly Cloudy

    Low: 46 °F

  • Friday

    Friday: Mostly sunny, with a high near 67.

    Mostly Sunny

    High: 67 °F

Detailed Forecast

Today
A chance of showers and thunderstorms, mainly between 7am and noon. Partly sunny, with a high near 81. Calm wind becoming southwest 5 to 9 mph in the morning. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 67. South wind 3 to 6 mph. Chance of precipitation is 20%.
Tuesday
Showers and thunderstorms, mainly after 3pm. Some storms could be severe, with damaging winds and heavy rain. High near 83. Southwest wind 8 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday Night
Showers and thunderstorms likely before 8pm, then a chance of showers between 8pm and midnight. Cloudy, then gradually becoming partly cloudy, with a low around 57. West wind 7 to 10 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
A chance of showers after noon. Mostly cloudy, with a high near 70. Northwest wind 5 to 11 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 51. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
A chance of showers. Partly sunny, with a high near 66. Chance of precipitation is 30%.
Thursday Night
Partly cloudy, with a low around 46.
Friday
Mostly sunny, with a high near 67.
Friday Night
Mostly clear, with a low around 44.
Saturday
Sunny, with a high near 71.
Saturday Night
Mostly clear, with a low around 48.
Sunday
Mostly sunny, with a high near 72.
Click Map For Forecast
Point Forecast:
Ellicottville NY
 42.28°N 78.67°W (Elev. 1568 ft)
4:36 am EDT Aug 21, 2017
5am EDT Aug 21, 2017-6pm EDT Aug 27, 2017
 
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