Heavy Rainfall Along the Central Gulf Coast; Thunderstorms from the Plains to the Central Appalachians; Heat Across the East

A system in the Gulf could produce heavy rainfall and flash flooding for portions of the north-central Gulf Coast into Saturday. Widespread showers and thunderstorms are likely this afternoon into Friday from Central Plains into the mid-Mississippi Valley, Ohio Valley and Central Appalachians. Dangerous heat is expected from the Lower Mississippi Valley to the Mid-Atlantic today. Read More >

Current conditions at

Jamestown, Chautauqua County/Jamestown Airport (KJHW)

Lat: 42.15°NLon: 79.27°WElev: 1722ft.

Overcast

71°F

22°C

Humidity	84%
Wind Speed	W 15 G 24 mph
Barometer	29.98 in (1014.7 mb)
Dewpoint	66°F (19°C)
Visibility	10.00 mi
Last update	17 Jul 3:56 pm EDT

More Information:

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

Extended Forecast for

5 Miles S Steamburg NY

Tonight
Low: 56 °F
Slight Chance
Showers then
Cloudy
Friday
High: 77 °F
Decreasing
Clouds
Friday Night
Low: 58 °F
Mostly Clear
then Patchy
Fog
Saturday
High: 80 °F
Chance
Showers then
Showers
Likely
Saturday Night
Low: 64 °F
Showers
Likely
Sunday
High: 77 °F
Chance
Showers then
Slight Chance
T-storms
Sunday Night
Low: 55 °F
Mostly Clear
then Patchy
Fog
Monday
High: 77 °F
Sunny
Monday Night
Low: 54 °F
Mostly Clear

Detailed Forecast

Tonight

A slight chance of showers before 8pm. Mostly cloudy, with a low around 56. West wind 6 to 11 mph becoming light north after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 20%.

Friday

Mostly cloudy, then gradually becoming sunny, with a high near 77. Calm wind.

Friday Night

Patchy fog after midnight. Otherwise, partly cloudy, with a low around 58. Calm wind.

Saturday

A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 80. Calm wind becoming southwest 5 to 7 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Saturday Night

Showers likely and possibly a thunderstorm before 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 64. Light southwest wind. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Sunday

A chance of showers and thunderstorms, mainly before 8am. Partly sunny, with a high near 77. Calm wind becoming northwest 5 to 7 mph in the afternoon. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Sunday Night

Patchy fog after midnight. Otherwise, mostly clear, with a low around 55. Calm wind.

Monday

Sunny, with a high near 77. Calm wind becoming north around 5 mph in the afternoon.

Monday Night

Mostly clear, with a low around 54.

Tuesday

A chance of showers after 2pm. Mostly sunny, with a high near 82. Chance of precipitation is 30%.

Tuesday Night

A chance of showers. Mostly cloudy, with a low around 61. Chance of precipitation is 30%.

Wednesday

A chance of showers. Partly sunny, with a high near 85. Chance of precipitation is 30%.