National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Hazardous Weather Conditions

Current conditions at

Jamestown, Chautauqua County/Jamestown Airport (KJHW)

Lat: 42.15°NLon: 79.27°WElev: 1722ft.

Mostly Cloudy

54°F

12°C

Humidity 64%
Wind Speed S 3 mph
Barometer 29.66 in (1005.2 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 22 Mar 9:56 am EDT
Extended Forecast for

Warren PA

  • Today

    Today: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 2pm. High near 65. Southwest wind 6 to 8 mph becoming northwest in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 65 °F

    Chance
    T-storms then
    Showers

  • Tonight

    Tonight: Showers likely, mainly before 11pm. Mostly cloudy, with a low around 30. North wind 3 to 5 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 30 °F

    Showers
    Likely then
    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 41. Northwest wind 6 to 8 mph.

    High: 41 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 23. Northwest wind around 5 mph becoming calm in the evening.

    Low: 23 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 49. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 49 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 53.

    High: 53 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A chance of showers after 2am. Mostly cloudy, with a low around 37. Chance of precipitation is 30%.

    Low: 37 °F

    Mostly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: Showers likely, mainly after 2pm. Mostly cloudy, with a high near 62. Chance of precipitation is 60%.

    High: 62 °F

    Chance
    Showers then
    Showers
    Likely

Detailed Forecast

Today
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 2pm. High near 65. Southwest wind 6 to 8 mph becoming northwest in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers likely, mainly before 11pm. Mostly cloudy, with a low around 30. North wind 3 to 5 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Mostly cloudy, with a high near 41. Northwest wind 6 to 8 mph.
Monday Night
Partly cloudy, with a low around 23. Northwest wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 49. Calm wind becoming southwest around 6 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 32.
Wednesday
Mostly cloudy, with a high near 53.
Wednesday Night
A chance of showers after 2am. Mostly cloudy, with a low around 37. Chance of precipitation is 30%.
Thursday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 62. Chance of precipitation is 60%.
Thursday Night
Showers likely before 2am. Mostly cloudy, with a low around 30. Chance of precipitation is 60%.
Friday
Partly sunny, with a high near 40.
Friday Night
Mostly clear, with a low around 21.
Saturday
Sunny, with a high near 45.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Warren PA
 41.84°N 79.16°W (Elev. 1198 ft)
Last Update:
8:05 am EDT Mar 22, 2026
Forecast Valid:
10am EDT Mar 22, 2026-6pm EDT Mar 28, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation