Extreme Heat Across the Southern U.S.; Flash Flooding Threats in the Mid-Atlantic, Northeast, and Four Corners Region

Dangerous and extreme heat will remain across portions of the southern U.S. this week. Heavy rainfall may bring significant flash flooding across portions of the Mid-Atlantic and Northeast through the night, and additional flash flooding concerns across New England on Wednesday. Monsoonal thunderstorms will bring a flash flood risk to the Four Corners region, especially in burn scar areas Read More >

Current conditions at

Niagara Falls, Niagara Falls International Airport (KIAG)

Lat: 43.11°NLon: 78.94°WElev: 587ft.

Overcast

68°F

20°C

Humidity 78%
Wind Speed N 10 mph
Barometer 29.71 in (1005.5 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 29 Jul 1:53 am EDT
Extended Forecast for

Grand Island NY

  • Overnight

    Overnight: Mostly cloudy, with a low around 63. Northwest wind around 9 mph.

    Low: 63 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 77. North wind 9 to 11 mph.

    High: 77 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 60. Northwest wind 7 to 9 mph.

    Low: 60 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 80. North wind around 8 mph.

    High: 80 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 60. Light northwest wind.

    Low: 60 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 82. Calm wind becoming west around 5 mph in the afternoon.

    High: 82 °F

    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 64. Light south wind.

    Low: 64 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 84. Light south wind.

    High: 84 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Showers likely, mainly after 2am.  Mostly cloudy, with a low around 65. Chance of precipitation is 60%.

    Low: 65 °F

    Chance
    Showers then
    Showers
    Likely

Detailed Forecast

Overnight
Mostly cloudy, with a low around 63. Northwest wind around 9 mph.
Wednesday
Partly sunny, with a high near 77. North wind 9 to 11 mph.
Wednesday Night
Partly cloudy, with a low around 60. Northwest wind 7 to 9 mph.
Thursday
Mostly sunny, with a high near 80. North wind around 8 mph.
Thursday Night
Mostly clear, with a low around 60. Light northwest wind.
Friday
Sunny, with a high near 82. Calm wind becoming west around 5 mph in the afternoon.
Friday Night
Mostly cloudy, with a low around 64. Light south wind.
Saturday
Mostly cloudy, with a high near 84. Light south wind.
Saturday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.
Sunday
Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 79. Chance of precipitation is 60%.
Sunday Night
A chance of thunderstorms. Mostly cloudy, with a low around 63. Chance of precipitation is 30%.
Monday
A chance of showers. Partly sunny, with a high near 81. Chance of precipitation is 30%.
Monday Night
A chance of showers. Partly cloudy, with a low around 63. Chance of precipitation is 30%.
Tuesday
Mostly sunny, with a high near 83.
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ABOUT THIS FORECAST

 
Point Forecast:
Grand Island NY
 43.03°N 78.97°W (Elev. 597 ft)
2:36 am EDT Jul 29, 2026
2am EDT Jul 29, 2026-6pm EDT Aug 4, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database