Showers and Thunderstorms for the Eastern Third of the Country; Fire Weather Concerns; Flooding Issues for the Great Lakes Region

Showers and thunderstorms will continue along and ahead of a cold front for the eastern third of the country. The rainfall for the Great Lakes region could prolong the ongoing flooding. Much cooler weather will filter in behind this cold front along and east of the Rockies. Where the rain is needed, the Southern High Plains, critical fire weather concerns through this weekend. Read More >

Hazardous Weather Conditions

Current conditions at

Jamestown, Chautauqua County/Jamestown Airport (KJHW)

Lat: 42.15°NLon: 79.27°WElev: 1722ft.

Fair

77°F

25°C

Humidity	43%
Wind Speed	S 20 G 28 mph
Barometer	29.73 in (1006.5 mb)
Dewpoint	53°F (12°C)
Visibility	10.00 mi
Heat Index	78°F (26°C)
Last update	18 Apr 1:56 pm EDT

More Information:

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

Extended Forecast for

3 Miles ESE Youngsville PA

Freeze Watch April 21, 12:00am until April 21, 11:00am

Freeze Watch April 20, 12:00am until April 20, 09:00am

Click here for hazard details and duration

Freeze Watch

This Afternoon
High: 80 °F
Showers
Tonight
Low: 35 °F
Severe
Thunderstorms
then
Rain/Snow
Sunday
High: 49 °F
Partly Sunny
Sunday Night
Low: 25 °F
Chance
Rain/Snow
then Chance
Snow Showers
Monday
High: 41 °F
Frost then
Mostly Sunny
Monday Night
Low: 22 °F
Partly Cloudy
then Frost
Tuesday
High: 58 °F
Frost then
Mostly Sunny
Tuesday Night
Low: 43 °F
Chance
Showers
Wednesday
High: 65 °F
Partly Sunny

Detailed Forecast

This Afternoon

A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 5pm. High near 80. South wind around 13 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Tonight

Rain showers before 5am, then a slight chance of rain and snow showers. Some thunder is also possible. Low around 35. West wind around 6 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

Sunday

Partly sunny, with a high near 49. West wind 6 to 11 mph, with gusts as high as 24 mph.

Sunday Night

A chance of rain and snow showers before 11pm, then a chance of snow showers between 11pm and 2am. Widespread frost after 2am. Otherwise, mostly cloudy, with a low around 25. Northwest wind 3 to 5 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

Monday

Widespread frost between 7am and 8am. Otherwise, partly sunny, with a high near 41. Northwest wind 6 to 8 mph.

Monday Night

Widespread frost after 2am. Otherwise, mostly clear, with a low around 22.

Tuesday

Widespread frost before 8am. Otherwise, mostly sunny, with a high near 58.

Tuesday Night

A chance of showers. Mostly cloudy, with a low around 43. Chance of precipitation is 40%.

Wednesday

Partly sunny, with a high near 65.

Wednesday Night

Mostly clear, with a low around 39.