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Severe Thunderstorms With Heavy Rain from Great Lakes to Mid-Atlantic; Excessive Heat For Central/Southern U.S. to Mid-Atlantic

Severe thunderstorms are possible today into Sunday across the upper Great Lakes region to the northern Mid-Atlantic. Damaging winds, large hail, and flooding will be the primary threats with these storms. Meanwhile, dangerous heat will continue through Sunday across the central and southern U.S. into the Mid-Atlantic. Read More >

Current conditions at

Jamestown, Chautauqua County/Jamestown Airport (KJHW)

Lat: 42.15°NLon: 79.27°WElev: 1722ft.

Mostly Cloudy

72°F

22°C

Humidity 78%
Wind Speed Calm
Barometer 29.83 in
Dewpoint 64°F (18°C)
Visibility 3.00 mi
Last update 22 Jul 7:15 pm EDT
Extended Forecast for

Warren PA

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm before 2am, then a slight chance of showers between 2am and 5am, then a slight chance of showers and thunderstorms after 5am.  Mostly cloudy, with a low around 64. Southeast wind 3 to 6 mph.  Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Showers
    Likely then
    Chance
    Showers

    Low: 64 °F

  • Sunday

    Sunday: Showers and thunderstorms likely, mainly after 2pm. Some of the storms could be severe.  Mostly cloudy, with a high near 82. South wind 5 to 7 mph.  Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Chance
    T-storms then
    Severe
    Thunderstorms

    High: 82 °F

  • Sunday
    Night

    Sunday Night: Showers and thunderstorms likely, mainly before 8pm. Some of the storms could be severe.  Mostly cloudy, with a low around 63. Southwest wind 3 to 6 mph.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Severe
    Thunderstorms

    Low: 63 °F

  • Monday

    Monday: A chance of showers and thunderstorms.  Mostly cloudy, with a high near 76. West wind 3 to 6 mph.  Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Chance
    T-storms

    High: 76 °F

  • Monday
    Night

    Monday Night: A slight chance of showers before midnight.  Mostly cloudy, with a low around 55. North wind around 6 mph.  Chance of precipitation is 20%.

    Slight Chance
    Showers then
    Mostly Cloudy

    Low: 55 °F

  • Tuesday

    Tuesday: Mostly sunny, with a high near 78.

    Mostly Sunny

    High: 78 °F

  • Tuesday
    Night

    Tuesday Night: Mostly clear, with a low around 55.

    Mostly Clear

    Low: 55 °F

  • Wednesday

    Wednesday: Mostly sunny, with a high near 83.

    Mostly Sunny

    High: 83 °F

  • Wednesday
    Night

    Wednesday Night: A chance of showers.  Mostly cloudy, with a low around 62. Chance of precipitation is 40%.

    Chance
    Showers

    Low: 62 °F

Detailed Forecast

Tonight
Showers likely and possibly a thunderstorm before 2am, then a slight chance of showers between 2am and 5am, then a slight chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 64. Southeast wind 3 to 6 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
Showers and thunderstorms likely, mainly after 2pm. Some of the storms could be severe. Mostly cloudy, with a high near 82. South wind 5 to 7 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Showers and thunderstorms likely, mainly before 8pm. Some of the storms could be severe. Mostly cloudy, with a low around 63. Southwest wind 3 to 6 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 76. West wind 3 to 6 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
A slight chance of showers before midnight. Mostly cloudy, with a low around 55. North wind around 6 mph. Chance of precipitation is 20%.
Tuesday
Mostly sunny, with a high near 78.
Tuesday Night
Mostly clear, with a low around 55.
Wednesday
Mostly sunny, with a high near 83.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 62. Chance of precipitation is 40%.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 79. Chance of precipitation is 40%.
Thursday Night
Partly cloudy, with a low around 61.
Friday
Mostly sunny, with a high near 80.
Friday Night
Partly cloudy, with a low around 59.
Saturday
Sunny, with a high near 78.
Click Map For Forecast
Point Forecast:
Warren PA
 41.84°N 79.16°W (Elev. 1198 ft)
2:57 pm EDT Jul 22, 2017
7pm EDT Jul 22, 2017-6pm EDT Jul 29, 2017
 
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