Strong Storms and Heavy Rainfall Threats; Dangerous Heat for Southern Plains into the Southwest

Thunderstorms, some severe, will impact areas of the Plains into the Midwest today. Rainfall can be locally heavy as well from these storms with isolated instances of flash flooding. Monsoonal flow will enhance rainfall across the Four Corners into the central Rockies today. Meanwhile, summer heat continues for the southern Plains, Southwest into southern California. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Jamestown, Chautauqua County/Jamestown Airport (KJHW)

Lat: 42.15°NLon: 79.27°WElev: 1722ft.

Fair

67°F

19°C

Humidity	68%
Wind Speed	N 5 mph
Barometer	30.12 in (1019.8 mb)
Dewpoint	56°F (13°C)
Visibility	10.00 mi
Last update	25 Aug 5:56 pm EDT

More Information:

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

Extended Forecast for

Sinclairville NY

Tonight
Low: 53 °F
Patchy Fog
Wednesday
High: 78 °F
Patchy Fog
then Partly
Sunny
Wednesday Night
Low: 60 °F
Mostly Clear
then Chance
T-storms
Thursday
High: 77 °F
T-storms
Likely
Thursday Night
Low: 58 °F
T-storms
Likely then
Slight Chance
T-storms
Friday
High: 75 °F
Mostly Sunny
Friday Night
Low: 53 °F
Clear
Saturday
High: 74 °F
Sunny
Saturday Night
Low: 55 °F
Mostly Clear

Detailed Forecast

Tonight

Patchy fog after 9pm. Otherwise, partly cloudy, with a low around 53. Northwest wind around 5 mph becoming calm in the evening.

Wednesday

Patchy fog before 10am. Otherwise, partly sunny, with a high near 78. South wind 5 to 7 mph.

Wednesday Night

A chance of showers and thunderstorms after 2am. Increasing clouds, with a low around 60. South wind 5 to 7 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Thursday

Showers and thunderstorms likely, mainly after 2pm. Partly sunny, with a high near 77. Southwest wind around 10 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

Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 58. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Friday

Mostly sunny, with a high near 75. Calm wind becoming northwest 5 to 7 mph in the afternoon.

Friday Night

Clear, with a low around 53. Light and variable wind.

Saturday

Sunny, with a high near 74. Light and variable wind.

Saturday Night

Mostly clear, with a low around 55.

Sunday

Mostly sunny, with a high near 80.

Sunday Night

Partly cloudy, with a low around 63.