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Heavy Rains and Potential for Flash Floods

Severe thunderstorms with damaging winds and heavy rains will be possible from the Ohio Valley to the Northeast Tuesday. In addition, heavy rains possible in the central Plains and southern Rockies. Heavy rain threat moves into the southern Mid-Atlantic Wednesday. Dry conditions remain out west where isolated dry thunderstorms could exacerbate ongoing fires and start new fires. Read More >

Hazardous Weather Conditions

Current conditions at

Jamestown, Chautauqua County/Jamestown Airport (KJHW)

Lat: 42.15° N Lon: 79.27° W Elev: 1722 ft.

Fair

70°F

21°C

Humidity 88%
Wind Speed S 8 mph
Barometer 29.99 in (1030.0 mb)
Dewpoint 66°F (19°C)
Visibility 8.00 mi
Last update 22 Aug 6:55 am EDT
Detailed forecast for

Warren County

Today
Showers and thunderstorms this afternoon. Some thunderstorms may be severe with damaging winds, and large hail. Highs around 80. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain near 100 percent.
Tonight
Showers and thunderstorms in the evening, then partly cloudy with a chance of showers with a slight chance of thunderstorms after midnight. Some thunderstorms may be severe with damaging winds, and large hail in the evening. Cooler with lows in the mid 50s. West winds 10 to 15 mph. Chance of rain near 100 percent.
Wednesday
Mostly sunny. A slight chance of showers in the afternoon. Highs in the lower 70s. West winds 5 to 10 mph. Chance of rain 20 percent.
Wednesday Night
Partly cloudy. A slight chance of showers in the evening. Lows in the upper 40s. Northwest winds 5 to 10 mph. Chance of rain 20 percent.
Thursday
Mostly sunny. A slight chance of showers in the afternoon. Highs around 70. Northwest winds around 5 mph. Chance of rain 20 percent.
Thursday Night
Partly cloudy in the evening, then becoming mostly clear. Lows in the upper 40s.
Friday
Sunny. Highs around 70.
Friday Night
Mostly clear. Lows in the mid 40s.
Saturday
Sunny. Highs in the lower 70s.
Saturday Night
Mostly clear. Lows in the upper 40s.
Sunday
Mostly sunny. Highs in the mid 70s.
Sunday Night
Partly cloudy. Lows in the lower 50s.
Monday
Partly sunny. Highs in the lower 70s.



Click Map For Forecast
715 AM EDT Tue Aug 22 2017
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database