Dangerous Heat in the East; Critical Fire Weather in the Southwest

Dangerous, record-breaking heat will intensify across most of the central and eastern U.S this week. Heat indices will likely exceed 100 degrees. Heat is likely to continue across the eastern U.S. through the Independence Day holiday weekend. Critical fire weather conditions will continue today and likely Tuesday across portions of the Four Corners and northern High Plains. Read More >

Hazardous Weather Conditions

Current conditions at

Williamson-Sodus Airport (KSDC)

Lat: 43.23°NLon: 77.12°WElev: 424ft.

Fair

82°F

28°C

Humidity	40%
Wind Speed	NE 5 mph
Barometer	30.10 in
Dewpoint	55°F (13°C)
Visibility	10.00 mi
Heat Index	81°F (27°C)
Last update	29 Jun 5:35 pm EDT

More Information:

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

Extended Forecast for

Ontario NY

Extreme Heat Watch July 1, 12:00pm until July 3, 08:00pm

Heat Advisory June 30, 12:00pm until June 30, 08:00pm

Click here for hazard details and duration

Extreme Heat Watch

Heat Advisory

Tonight
Low: 71 °F
Partly Cloudy
Tuesday
High: 91 °F
Chance
T-storms
Tuesday Night
Low: 78 °F
Partly Cloudy
Wednesday
High: 94 °F
Slight Chance
T-storms
Wednesday Night
Low: 77 °F
Mostly Clear
Thursday
High: 96 °F
Hot
Thursday Night
Low: 76 °F
Partly Cloudy
Friday
High: 92 °F
Mostly Sunny
then Chance
T-storms
Friday Night
Low: 74 °F
Chance
T-storms

Detailed Forecast

Tonight

Partly cloudy, with a low around 71. Northeast wind 5 to 7 mph becoming south after midnight.

Tuesday

A chance of showers and thunderstorms, mainly before 4pm. Partly sunny and hot, with a high near 91. Heat index values as high as 99. Southwest wind 6 to 8 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tuesday Night

Partly cloudy, with a low around 78. Southwest wind 6 to 9 mph.

Wednesday

A slight chance of showers and thunderstorms before 2pm. Mostly sunny and hot, with a high near 94. Heat index values as high as 107. West wind 8 to 10 mph. Chance of precipitation is 20%.

Wednesday Night

Mostly clear, with a low around 77. Southwest wind 7 to 9 mph.

Thursday

Sunny and hot, with a high near 96. West wind 7 to 11 mph.

Thursday Night

Partly cloudy, with a low around 76. West wind 7 to 10 mph.

Friday

A chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 92. West wind 7 to 9 mph. Chance of precipitation is 30%.

Friday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 74. Chance of precipitation is 40%.

Independence Day

A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 89. Chance of precipitation is 40%.