Severe Thunderstorms and Heavy Rainfall in the Ohio Valley and Great Lakes; Winter Weather in the Northern Tier

A slow moving front extending from the Great Lakes region into the Plains will bring snow, wintry mix, and ice accumulation north of the front from the Upper Midwest into New England, and severe weather and heavy rain south of the front. Scattered severe thunderstorms with damaging gusts, severe hail, and heavy rain are expected across parts of the Great Lakes/Midwest through tonight. Read More >

Hazardous Weather Conditions

Current conditions at

Jamestown, Chautauqua County/Jamestown Airport (KJHW)

Lat: 42.15°NLon: 79.27°WElev: 1722ft.

Overcast

66°F

19°C

Humidity	73%
Wind Speed	SW 15 G 26 mph
Barometer	29.85 in (1010.5 mb)
Dewpoint	57°F (14°C)
Visibility	10.00 mi
Last update	31 Mar 4:56 pm EDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

3 Miles ESE Youngsville PA

Severe T-storm Watch until March 31, 09:00pm

Click here for hazard details and duration

Severe T-storm Watch

Severe T-storm Watch until March 31, 09:00pm
NOW until 9:00pm Tue
Severe T-storm Watch
This Afternoon
High: 70 °F
Severe
Thunderstorms
Tonight
Low: 47 °F
Severe
Thunderstorms
Wednesday
High: 54 °F
Chance
Showers
Wednesday Night
Low: 45 °F
Showers
Likely
Thursday
High: 72 °F
Showers
Likely
Thursday Night
Low: 59 °F
Chance
Showers
Friday
High: 74 °F
Showers
Likely
Friday Night
Low: 54 °F
Showers
Likely

Detailed Forecast

This Afternoon

Showers likely and possibly a thunderstorm. Some of the storms could be severe. Mostly cloudy, with a high near 70. Southwest wind around 9 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tonight

Showers and possibly a thunderstorm, mainly before 4am, then a chance of showers and thunderstorms after 4am. Some of the storms could be severe. Low around 47. Southwest wind around 7 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

Wednesday

A chance of showers before 8am, then a chance of showers after 11am. Mostly cloudy, with a high near 54. Light north wind. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.

Wednesday Night

Showers likely. Mostly cloudy, with a low around 45. Light northeast wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

Thursday

Showers likely, with thunderstorms also possible after 11am. Mostly cloudy, with a high near 72. South wind 3 to 8 mph. Winds could gust as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Thursday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 59. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Friday

A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 74. Chance of precipitation is 60%.

Friday Night

Showers likely and possibly a thunderstorm before 8pm, then a chance of showers. Mostly cloudy, with a low around 54. Chance of precipitation is 60%.

Saturday

Showers likely, mainly after 2pm. Partly sunny, with a high near 79. Chance of precipitation is 60%.

Saturday Night

Showers likely. Mostly cloudy, with a low around 43. Chance of precipitation is 70%.

Sunday

A chance of showers. Mostly cloudy, with a high near 52. Chance of precipitation is 50%.

Sunday Night

Mostly cloudy, with a low around 30.