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

Genesee County Airport (KGVQ)

Lat: 43.03°NLon: 78.17°WElev: 914ft.

N/A

Humidity	NA
Wind Speed	NA
Barometer	NA
Dewpoint	N/A
Visibility	NA
Last update	* Not a current observation *

More Information:

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

Extended Forecast for

4 Miles WNW Lyndonville NY

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

Click here for hazard details and duration

Heat Advisory

Overnight
Low: 70 °F
Mostly Clear
Wednesday
High: 90 °F
Sunny then
Slight Chance
T-storms
Wednesday Night
Low: 72 °F
Chance
T-storms
Thursday
High: 89 °F
Chance
T-storms then
Showers
Likely and
Breezy
Thursday Night
Low: 63 °F
Mostly Cloudy
Friday
High: 80 °F
Sunny
Friday Night
Low: 61 °F
Mostly Clear
Saturday
High: 84 °F
Mostly Sunny
Saturday Night
Low: 67 °F
Chance
Showers

Detailed Forecast

Overnight

Mostly clear, with a low around 70. Light south wind.

Wednesday

A slight chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 90. Heat index values as high as 96. Southwest wind 5 to 7 mph becoming north in the afternoon. Chance of precipitation is 20%.

Wednesday Night

A chance of showers and thunderstorms before 5am, then a slight chance of showers. Mostly cloudy, with a low around 72. South wind around 6 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Thursday

A chance of showers and thunderstorms before noon, then showers likely and possibly a thunderstorm between noon and 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 89. Heat index values as high as 97. Breezy, with a southwest wind 8 to 13 mph increasing to 17 to 22 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

Mostly cloudy, with a low around 63. West wind 13 to 16 mph.

Friday

Sunny, with a high near 80. Northeast wind 6 to 10 mph.

Friday Night

Mostly clear, with a low around 61. South wind 3 to 5 mph.

Saturday

Mostly sunny, with a high near 84. South wind 6 to 8 mph becoming north in the afternoon.

Saturday Night

A chance of showers. Mostly cloudy, with a low around 67. Chance of precipitation is 30%.

Sunday

Mostly sunny, with a high near 85.