Severe Thunderstorms and Excessive Rainfall in the Central U.S.; Heat Building in the Western U.S.

A cold front pressing east across the central U.S. will be the focus for areas of strong to severe thunderstorms and excessive rainfall through this weekend. Strong to severe thunderstorms my bring damaging winds, hail, and a few tornadoes while excessive rainfall may lead to areas of flooding. Heat will build across the western U.S. with heat-related watches, warnings, and advisories issued. Read More >

Hazardous Weather Conditions

Current conditions at

Williamson-Sodus Airport (KSDC)

Lat: 43.23°NLon: 77.12°WElev: 424ft.

Fair

90°F

32°C

Humidity	46%
Wind Speed	SE 6 mph
Barometer	29.98 in
Dewpoint	66°F (19°C)
Visibility	10.00 mi
Heat Index	93°F (34°C)
Last update	12 Jul 2:55 pm EDT

More Information:

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

Extended Forecast for

Ontario NY

Heat Advisory July 12, 03:06pm until July 12, 07:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory July 12, 03:06pm until July 12, 07:00pm
NOW until 7:00pm Sat
Heat Advisory
This Afternoon
High: 91 °F
Hot
Tonight
Low: 74 °F
Chance
Showers then
Chance
T-storms
Sunday
High: 88 °F
Chance
T-storms then
T-storms
Sunday Night
Low: 69 °F
Chance
T-storms then
Chance
Showers
Monday
High: 86 °F
Mostly Sunny
Monday Night
Low: 67 °F
Mostly Clear
Tuesday
High: 89 °F
Sunny
Tuesday Night
Low: 71 °F
Mostly Clear

Detailed Forecast

This Afternoon

Mostly sunny and hot, with a high near 91. Heat index values as high as 101. East wind around 6 mph.

Tonight

A chance of showers and thunderstorms, mainly after 5am. Partly cloudy, with a low around 74. East wind around 7 mph becoming south after midnight. Chance of precipitation is 30%.

Sunday

Showers and thunderstorms, mainly before 5pm, then showers likely and possibly a thunderstorm after 5pm. High near 88. Heat index values as high as 97. South wind around 8 mph becoming northwest in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Sunday Night

A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 69. South wind around 5 mph becoming west after midnight. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Monday

Mostly sunny, with a high near 86. Northwest wind around 6 mph.

Monday Night

Mostly clear, with a low around 67. Calm wind becoming southwest around 6 mph after midnight.

Tuesday

Sunny, with a high near 89. Southwest wind around 5 mph becoming northwest in the afternoon.

Tuesday Night

Mostly clear, with a low around 71. Calm wind becoming south around 5 mph after midnight.

Wednesday

Mostly sunny and hot, with a high near 90.

Wednesday Night

A chance of showers after 8pm. Mostly cloudy, with a low around 72. Chance of precipitation is 30%.