Severe Thunderstorms and Heavy Rainfall Across the Midwest into the Great Lakes Region; Significant Heat in the Southwest

Strong to severe storms may produce damaging winds, isolated hail, and a few tornadoes from the Midwest into the lower Great Lakes. These storms may also produce areas of heavy rain and flash flooding. Significant heat will continue across parts of the Desert Southwest into western Texas and north Alaska. Dangerous heat will also build into the Eastern and Central U.S. and continue into next week. Read More >

Hazardous Weather Conditions

Current conditions at

Canandaigua Airport (KIUA)

Lat: 42.91°NLon: 77.33°WElev: 814ft.

Mostly Cloudy

73°F

23°C

Humidity	80%
Wind Speed	N 5 mph
Barometer	29.87 in
Dewpoint	66°F (19°C)
Visibility	10.00 mi
Last update	18 Jun 4:15 pm EDT

More Information:

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

Extended Forecast for

2 Miles ENE Mendon NY

Flash Flood Warning until June 18, 06:15pm

Click here for hazard details and duration

Flash Flood Warning

Flash Flood Warning until June 18, 06:15pm
NOW until 6:15pm Wed
Flash Flood Warning
This Afternoon
High: 85 °F
T-storms
Tonight
Low: 69 °F
T-storms
Likely then
Chance
Showers
Juneteenth
High: 82 °F
Showers
Likely and
Breezy
Thursday Night
Low: 60 °F
Slight Chance
T-storms then
Slight Chance
Showers
Friday
High: 79 °F
Mostly Sunny
then Slight
Chance
T-storms
Friday Night
Low: 64 °F
Partly Cloudy
then Slight
Chance
T-storms
Saturday
High: 86 °F
Partly Sunny
then Chance
Showers
Saturday Night
Low: 71 °F
Chance
T-storms

Detailed Forecast

This Afternoon

Showers and possibly a thunderstorm. High near 85. West wind around 6 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tonight

Showers and thunderstorms likely before 2am, then a chance of showers. Mostly cloudy, with a low around 69. Light and variable wind becoming south around 6 mph after midnight. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

Juneteenth

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 82. Breezy, with a west wind 11 to 20 mph, with gusts as high as 38 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Thursday Night

A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 2am. Cloudy, then gradually becoming partly cloudy, with a low around 60. West wind 9 to 15 mph. Chance of precipitation is 20%.

Friday

A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 79. West wind 10 to 13 mph. Chance of precipitation is 20%.

Friday Night

A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 64. Southwest wind around 7 mph. Chance of precipitation is 20%.

Saturday

A chance of showers after 2pm. Partly sunny, with a high near 86. Southwest wind 6 to 10 mph. Chance of precipitation is 30%.

Saturday Night

A chance of showers, with thunderstorms also possible after 8pm. Mostly cloudy, with a low around 71. Southwest wind 8 to 10 mph. Chance of precipitation is 50%.

Sunday

Partly sunny and hot, with a high near 90.

Sunday Night

Partly cloudy, with a low around 74.

Monday

Sunny and hot, with a high near 94.

Monday Night

Mostly clear, with a low around 75.

Tuesday

Sunny and hot, with a high near 93.

Tuesday Night

Partly cloudy, with a low around 72.