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.

Light Rain

75°F

24°C

Humidity	80%
Wind Speed	S 3 mph
Barometer	30.04 in
Dewpoint	69°F (21°C)
Visibility	10.00 mi
Last update	30 Jun 9:55 am EDT

More Information:

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

Extended Forecast for

4 Miles NNW Hall 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

Today
High: 90 °F
Chance
T-storms
Tonight
Low: 75 °F
Partly Cloudy
Wednesday
High: 94 °F
Slight Chance
T-storms
Wednesday Night
Low: 76 °F
Mostly Clear
Thursday
High: 96 °F
Hot
Thursday Night
Low: 76 °F
Mostly Clear
Friday
High: 92 °F
Mostly Sunny
then Chance
T-storms
Friday Night
Low: 70 °F
Chance
T-storms
Independence Day
High: 87 °F
Chance
T-storms

Detailed Forecast

Today

A chance of showers and thunderstorms. Partly sunny and hot, with a high near 90. Heat index values as high as 98. Southwest wind 7 to 10 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 75. Southwest wind 6 to 8 mph.

Wednesday

A slight chance of showers before 11am, then a slight chance of showers and thunderstorms between 11am and 2pm. Mostly sunny and hot, with a high near 94. Heat index values as high as 105. West wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

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 13 mph.

Thursday Night

Mostly clear, with a low around 76. West wind 8 to 11 mph.

Friday

A chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 92. West wind 7 to 11 mph. Chance of precipitation is 40%.

Friday Night

A chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 70. West wind around 6 mph. Chance of precipitation is 30%.

Independence Day

A chance of showers and thunderstorms before 8am, then a chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 87. 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 85. Chance of precipitation is 30%.