Thunderstorms and Heavy Rains Across Portions of the Central and Eastern US; Heat Expands to Portions of the East

Widespread showers and thunderstorms, some severe, may produce heavy downpours and flash flooding across much of the eastern and central U.S. Dangerous heat will continue in the Pacific Northwest and expand across portions of the East. Deep tropical moisture and associated thunderstorms will bring heavy rainfall and localized flash flooding across portions of Florida into the central Gulf Coast. Read More >

Hazardous Weather Conditions

Current conditions at

Williamson-Sodus Airport (KSDC)

Lat: 43.23°NLon: 77.12°WElev: 424ft.

Fair

68°F

20°C

Humidity	88%
Wind Speed	Calm
Barometer	30.04 in
Dewpoint	64°F (18°C)
Visibility	7.00 mi
Last update	15 Jul 11:35 pm EDT

More Information:

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

Extended Forecast for

3 Miles ENE Lyons NY

Heat Advisory July 16, 11:00am until July 16, 08:00pm

Click here for hazard details and duration

Heat Advisory

Tonight
Low: 69 °F
Haze
Wednesday
High: 91 °F
Sunny then
Heavy Rain
Wednesday Night
Low: 71 °F
Chance
T-storms
Thursday
High: 87 °F
Chance
T-storms then
Showers
Likely
Thursday Night
Low: 62 °F
Showers
Likely then
Chance
Showers
Friday
High: 75 °F
Mostly Sunny
Friday Night
Low: 57 °F
Mostly Clear
Saturday
High: 82 °F
Mostly Sunny
Saturday Night
Low: 65 °F
Chance
Showers

Detailed Forecast

Tonight

Widespread haze before midnight. Mostly clear, with a low around 69. Light south wind.

Wednesday

A chance of showers and thunderstorms after 2pm. Some of the storms could produce heavy rainfall. Increasing clouds and hot, with a high near 91. Heat index values as high as 97. South wind 3 to 6 mph. Chance of precipitation is 30%. New rainfall amounts between a half and three quarters of an inch possible.

Wednesday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Light south wind. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.

Thursday

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 87. Heat index values as high as 95. South wind 5 to 8 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 likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a slight chance of showers after 2am. Mostly cloudy, with a low around 62. West wind around 6 mph. 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. North wind around 7 mph.

Friday Night

Mostly clear, with a low around 57. Calm wind.

Saturday

Mostly sunny, with a high near 82. Calm wind becoming south around 6 mph in the afternoon.

Saturday Night

A chance of showers. Mostly cloudy, with a low around 65. Chance of precipitation is 40%.

Sunday

A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 81. Chance of precipitation is 40%.

Sunday Night

A chance of thunderstorms. Partly cloudy, with a low around 63. Chance of precipitation is 30%.