National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >

Current conditions at

Niagara Falls, Niagara Falls International Airport (KIAG)

Lat: 43.11°NLon: 78.94°WElev: 587ft.

Fair

69°F

21°C

Humidity 45%
Wind Speed NW 5 mph
Barometer 30.17 in (1021.6 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 28 Aug 1:53 pm EDT
Extended Forecast for

Tonawanda NY

  • This Afternoon

    This Afternoon: Sunny, with a high near 73. North wind around 9 mph.

    High: 73 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 54. Calm wind.

    Low: 54 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 78. Light south wind becoming southwest 5 to 9 mph in the morning.

    High: 78 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 63. South wind 3 to 5 mph.

    Low: 63 °F

    Partly Cloudy

  • Sunday

    Sunday: A slight chance of showers. Mostly cloudy, with a high near 79. Southwest wind 5 to 9 mph. Chance of precipitation is 20%.

    High: 79 °F

    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: Showers likely. Mostly cloudy, with a low around 66. Southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 66 °F

    Showers
    Likely

  • Monday

    Monday: A chance of showers. Mostly cloudy, with a high near 81. Light and variable wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 40%.

    High: 81 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers. Mostly cloudy, with a low around 69. South wind 3 to 5 mph. Chance of precipitation is 40%.

    Low: 69 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers before 2pm. Mostly cloudy, with a high near 84. Chance of precipitation is 30%.

    High: 84 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Sunny, with a high near 73. North wind around 9 mph.
Tonight
Mostly clear, with a low around 54. Calm wind.
Saturday
Sunny, with a high near 78. Light south wind becoming southwest 5 to 9 mph in the morning.
Saturday Night
Partly cloudy, with a low around 63. South wind 3 to 5 mph.
Sunday
A slight chance of showers. Mostly cloudy, with a high near 79. Southwest wind 5 to 9 mph. Chance of precipitation is 20%.
Sunday Night
Showers likely. Mostly cloudy, with a low around 66. Southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Monday
A chance of showers. Mostly cloudy, with a high near 81. Light and variable wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 40%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 69. South wind 3 to 5 mph. Chance of precipitation is 40%.
Tuesday
A chance of showers before 2pm. Mostly cloudy, with a high near 84. Chance of precipitation is 30%.
Tuesday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 70. Chance of precipitation is 60%.
Wednesday
Showers likely. Mostly cloudy, with a high near 84. Chance of precipitation is 60%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 67. Chance of precipitation is 50%.
Thursday
A chance of showers. Partly sunny, with a high near 82. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Tonawanda NY
 43°N 78.88°W (Elev. 633 ft)
Last Update:
2:22 pm EDT Aug 28, 2026
Forecast Valid:
2pm EDT Aug 28, 2026-6pm EDT Sep 3, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation