Severe Thunderstorms in the Midwest and Arizona; Heat Continues in the Southeast and Southwest

Thunderstorms, some severe, may lead to scattered instances of flash flooding across the Midwest and Ohio Valley and southern Arizona. The threat will shift to the Mid-Atlantic coast on Thursday. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

Rochester, Greater Rochester International Airport (KROC)

Lat: 43.12°NLon: 77.68°WElev: 558ft.

Mostly Cloudy

76°F

24°C

Humidity	62%
Wind Speed	NW 6 mph
Barometer	29.90 in (1012.4 mb)
Dewpoint	62°F (17°C)
Visibility	10.00 mi
Heat Index	78°F (26°C)
Last update	19 Aug 6:54 pm EDT

More Information:

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

Extended Forecast for

Caledonia NY

Tonight
Low: 57 °F
Chance
Showers then
Mostly Cloudy
Thursday
High: 77 °F
Decreasing
Clouds
Thursday Night
Low: 53 °F
Mostly Clear
Friday
High: 80 °F
Sunny
Friday Night
Low: 58 °F
Mostly Clear
Saturday
High: 81 °F
Slight Chance
T-storms then
Showers
Saturday Night
Low: 60 °F
Showers then
Chance
Showers
Sunday
High: 76 °F
Chance
Showers
Sunday Night
Low: 55 °F
Partly Cloudy

Detailed Forecast

Tonight

A chance of showers, mainly before 11pm. Mostly cloudy, with a low around 57. West wind 3 to 6 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

Thursday

Cloudy, then gradually becoming mostly sunny, with a high near 77. Calm wind becoming north around 5 mph in the afternoon.

Thursday Night

Mostly clear, with a low around 53. Light and variable wind.

Friday

Sunny, with a high near 80. Light and variable wind becoming northeast 5 to 7 mph in the afternoon.

Friday Night

Mostly clear, with a low around 58. Northeast wind around 6 mph becoming light and variable in the evening.

Saturday

A slight chance of showers before 11am, then a slight chance of showers and thunderstorms between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 81. South wind 6 to 8 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Saturday Night

Showers and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Low around 60. Southwest wind around 6 mph. Chance of precipitation is 80%.

Sunday

A chance of showers after 8am. Partly sunny, with a high near 76. West wind 8 to 14 mph. Chance of precipitation is 40%.

Sunday Night

Partly cloudy, with a low around 55.

Monday

Mostly sunny, with a high near 74.

Monday Night

Partly cloudy, with a low around 54.

Tuesday

Mostly sunny, with a high near 78.

Tuesday Night

Partly cloudy, with a low around 57.