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

Rochester, Greater Rochester International Airport (KROC)

Lat: 43.12°NLon: 77.68°WElev: 558ft.

Fair

70°F

21°C

Humidity	84%
Wind Speed	Calm
Barometer	30.03 in (1016.8 mb)
Dewpoint	65°F (18°C)
Visibility	10.00 mi
Last update	16 Jul 12:54 am EDT

More Information:

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

Extended Forecast for

2 Miles NNW Union Hill NY

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

Click here for hazard details and duration

Heat Advisory

Overnight
Low: 74 °F
Clear
Wednesday
High: 86 °F
Sunny then
Chance
T-storms
Wednesday Night
Low: 74 °F
Chance
T-storms
Thursday
High: 86 °F
Showers
Likely and
Breezy
Thursday Night
Low: 65 °F
Breezy.
Chance
T-storms then
Slight Chance
Showers
Friday
High: 75 °F
Mostly Sunny
Friday Night
Low: 63 °F
Mostly Clear
Saturday
High: 81 °F
Mostly Sunny
Saturday Night
Low: 70 °F
Chance
Showers

Detailed Forecast

Overnight

Clear, with a low around 74. South wind 5 to 7 mph.

Wednesday

A chance of showers and thunderstorms, mainly after 2pm. Increasing clouds, with a high near 86. Southwest wind around 6 mph becoming north in the afternoon. Chance of precipitation is 40%. New rainfall amounts between a quarter and half of an inch possible.

Wednesday Night

A chance of showers and thunderstorms, mainly after 7pm. Mostly cloudy, with a low around 74. South wind around 7 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Thursday

A chance of showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 86. Breezy, with a southwest wind 7 to 12 mph increasing to 16 to 21 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Thursday Night

A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 2am. Mostly cloudy, with a low around 65. Breezy, with a west wind 16 to 21 mph. Chance of precipitation is 30%. New precipitation 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 6 to 14 mph.

Friday Night

Mostly clear, with a low around 63. Southwest wind 3 to 5 mph.

Saturday

Mostly sunny, with a high near 81. South wind around 6 mph becoming east in the afternoon.

Saturday Night

A chance of showers. Mostly cloudy, with a low around 70. Chance of precipitation is 40%.

Sunday

Mostly sunny, with a high near 80.

Sunday Night

Partly cloudy, with a low around 68.