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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 >

Current conditions at

Jamestown, Chautauqua County/Jamestown Airport (KJHW)

Lat: 42.15°NLon: 79.27°WElev: 1722ft.

Thunderstorm

17°C

63°F

Humidity 88%
Wind Speed S 7 km/h
Barometer 1030.2 mb (30.19 in)
Dewpoint 15°C (59°F)
Visibility 8 km
Last update 21 Aug 5:55 am EDT
Extended Forecast for

Warren PA

  • Today

    Today: Scattered showers and thunderstorms, mainly between 8am and 11am.  Partly sunny, with a high near 29. South wind 5 to 13 km/h becoming southwest in the afternoon.  Chance of precipitation is 30%. New rainfall amounts between 2.5 and 5 mm possible.

    Scattered
    T-storms

    High: 29 °C

  • Tonight

    Tonight: Isolated showers and thunderstorms after 2am.  Mostly cloudy, with a low around 18. South wind 5 to 8 km/h.  Chance of precipitation is 20%.

    Partly Cloudy
    then Isolated
    T-storms

    Low: 18 °C

  • Tuesday

    Tuesday: Occasional showers and thunderstorms, mainly after 2pm. Some storms could be severe, with damaging winds and heavy rain.  High near 29. South wind 11 to 21 km/h.  Chance of precipitation is 80%. New rainfall amounts between 1 and 2 cm possible.

    Severe
    Thunderstorms

    High: 29 °C

  • Tuesday
    Night

    Tuesday Night: Occasional showers and thunderstorms, mainly before 11pm.  Low around 14. Southwest wind 8 to 14 km/h.  Chance of precipitation is 80%. New rainfall amounts between 5 and 7.5 mm possible.

    T-storms then
    Chance
    T-storms

    Low: 14 °C

  • Wednesday

    Wednesday: Partly sunny, with a high near 24. West wind 5 to 14 km/h.

    Partly Sunny

    High: 24 °C

  • Wednesday
    Night

    Wednesday Night: Partly cloudy, with a low around 11.

    Partly Cloudy

    Low: 11 °C

  • Thursday

    Thursday: Mostly sunny, with a high near 22.

    Mostly Sunny

    High: 22 °C

  • Thursday
    Night

    Thursday Night: Mostly clear, with a low around 9.

    Mostly Clear

    Low: 9 °C

  • Friday

    Friday: Sunny, with a high near 23.

    Sunny

    High: 23 °C

Detailed Forecast

Today
Scattered showers and thunderstorms, mainly between 8am and 11am. Partly sunny, with a high near 29. South wind 5 to 13 km/h becoming southwest in the afternoon. Chance of precipitation is 30%. New rainfall amounts between 2.5 and 5 mm possible.
Tonight
Isolated showers and thunderstorms after 2am. Mostly cloudy, with a low around 18. South wind 5 to 8 km/h. Chance of precipitation is 20%.
Tuesday
Occasional showers and thunderstorms, mainly after 2pm. Some storms could be severe, with damaging winds and heavy rain. High near 29. South wind 11 to 21 km/h. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 cm possible.
Tuesday Night
Occasional showers and thunderstorms, mainly before 11pm. Low around 14. Southwest wind 8 to 14 km/h. Chance of precipitation is 80%. New rainfall amounts between 5 and 7.5 mm possible.
Wednesday
Partly sunny, with a high near 24. West wind 5 to 14 km/h.
Wednesday Night
Partly cloudy, with a low around 11.
Thursday
Mostly sunny, with a high near 22.
Thursday Night
Mostly clear, with a low around 9.
Friday
Sunny, with a high near 23.
Friday Night
Mostly clear, with a low around 9.
Saturday
Sunny, with a high near 24.
Saturday Night
Mostly clear, with a low around 11.
Sunday
Mostly sunny, with a high near 26.
Click Map For Forecast
Point Forecast:
Warren PA
 41.84°N 79.16°W (Elev. 365 m)
5:40 am EDT Aug 21, 2017
6am EDT Aug 21, 2017-6pm EDT Aug 27, 2017
 
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