Severe Thunderstorms and Excessive Rainfall in the Central U.S.; Heat Building in the Western U.S.
A cold front pressing east across the central U.S. will be the focus for areas of strong to severe thunderstorms and excessive rainfall through this weekend. Strong to severe thunderstorms my bring damaging winds, hail, and a few tornadoes while excessive rainfall may lead to areas of flooding. Heat will build across the western U.S. with heat-related watches, warnings, and advisories issued. Read More >
| NWS Forecast for: Port Byron NY Issued by: National Weather Service Buffalo, NY Last Update: 10:36 pm EDT Jul 12, 2025 | |
Overnight: Partly cloudy, with a low around 75. South wind around 8 mph. Sunday: Showers and thunderstorms likely before 2pm, then showers and possibly a thunderstorm between 2pm and 4pm, then showers and thunderstorms likely after 4pm. Some of the storms could produce heavy rainfall. High near 88. Heat index values as high as 95. South wind around 9 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible. Sunday Night: Showers and thunderstorms likely before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers and thunderstorms after 2am. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 69. South wind 3 to 5 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible. Monday: A chance of showers before 8am. Mostly sunny, with a high near 85. Northwest wind 3 to 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible. Monday Night: Mostly clear, with a low around 65. Calm wind. Tuesday: Sunny, with a high near 88. Light west wind. Tuesday Night: Mostly clear, with a low around 70. Light and variable wind. Wednesday: A chance of showers after 2pm. Mostly sunny and hot, with a high near 90. South wind around 6 mph. Chance of precipitation is 30%. Wednesday Night: A chance of showers before 8pm, then a chance of showers after 2am. Mostly cloudy, with a low around 72. Chance of precipitation is 30%. Thursday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 86. Chance of precipitation is 60%. Thursday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 69. Chance of precipitation is 60%. Friday: A chance of showers and thunderstorms. Mostly cloudy, with a high near 82. Chance of precipitation is 40%. Friday Night: A chance of thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 30%. Saturday: Mostly sunny, with a high near 81. | |
| Port Byron NY 43.03°N 76.64°W (Elev. 499 ft) | |
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