Dangerous Heat in the Central and Eastern U.S.; Severe Thunderstorms in the Central U.S. and Northeast; Critical Fire Weather in the Four Corners

Dangerous, record-breaking heat will intensify across most of the central and eastern U.S this week. Heat indices will likely exceed 100 degrees. Severe thunderstorms are forecast from parts of the central High Plains into the Upper Midwest, and across parts of the Northeast. Critical fire weather conditions will continue across portions of the Four Corners and Great Basin. Read More >

Hazardous Weather Conditions

Current conditions at

Canandaigua Airport (KIUA)

Lat: 42.91°NLon: 77.33°WElev: 814ft.

Fair

91°F

33°C

Humidity	51%
Wind Speed	W 10 G 21 mph
Barometer	30.00 in
Dewpoint	70°F (21°C)
Visibility	10.00 mi
Heat Index	97°F (36°C)
Last update	30 Jun 1:15 pm EDT

More Information:

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

Extended Forecast for

3 Miles NE Victor NY

Heat Advisory June 30, 01:26pm until June 30, 08:00pm

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

Click here for hazard details and duration

Heat Advisory

Extreme Heat Warning

Heat Advisory June 30, 01:26pm until June 30, 08:00pm
NOW until 8:00pm Tue
Heat Advisory
This Afternoon
High: 91 °F
Chance
T-storms
Tonight
Low: 76 °F
Partly Cloudy
Wednesday
High: 95 °F
Hot
Wednesday Night
Low: 76 °F
Mostly Clear
Thursday
High: 96 °F
Hot
Thursday Night
Low: 75 °F
Mostly Clear
Friday
High: 93 °F
Mostly Sunny
then Chance
T-storms
Friday Night
Low: 70 °F
Chance
T-storms then
Chance
Showers

Detailed Forecast

This Afternoon

A chance of showers and thunderstorms, mainly before 5pm. Partly sunny and hot, with a high near 91. Heat index values as high as 99. Southwest wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tonight

Partly cloudy, with a low around 76. Southwest wind around 7 mph.

Wednesday

Sunny and hot, with a high near 95. Heat index values as high as 105. West wind 9 to 13 mph.

Wednesday Night

Mostly clear, with a low around 76. Southwest wind 6 to 8 mph.

Thursday

Sunny and hot, with a high near 96. West wind 7 to 14 mph.

Thursday Night

Mostly clear, with a low around 75. West wind 7 to 11 mph, with gusts as high as 21 mph.

Friday

A chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 93. West wind 7 to 11 mph. Chance of precipitation is 30%.

Friday Night

A chance of showers and thunderstorms before 8pm, then a chance of showers after 2am. Partly cloudy, with a low around 70. West wind 3 to 7 mph. Chance of precipitation is 40%.

Independence Day

A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 88. Chance of precipitation is 50%.

Saturday Night

A chance of thunderstorms before 8pm. Partly cloudy, with a low around 66. Chance of precipitation is 30%.

Sunday

Partly sunny, with a high near 86.

Sunday Night

A chance of showers. Mostly cloudy, with a low around 66. Chance of precipitation is 30%.

Monday

A chance of showers and thunderstorms. Partly sunny, with a high near 86. Chance of precipitation is 30%.