Thunderstorms and Heavy Rainfall in the Plains; Hazardous Heat in the South and Southeast

Severe thunderstorms will be possible across the northern/central Plains through Tuesday afternoon and from the central Plains to the Mid-Mississippi Valley Tuesday evening through Wednesday morning. Storms may produce large hail and damaging wind gusts, and heavy rainfall may lead to scattered instances of flash flooding. Meanwhile, hazardous heat persists across the South and Southeast. Read More >

Current conditions at

Niagara Falls, Niagara Falls International Airport (KIAG)

Lat: 43.11°NLon: 78.94°WElev: 587ft.

Partly Cloudy

67°F

19°C

Humidity	79%
Wind Speed	N 5 mph
Barometer	29.93 in (1013.1 mb)
Dewpoint	60°F (16°C)
Visibility	9.00 mi
Last update	17 Aug 10:53 pm EDT

More Information:

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

Extended Forecast for

Grand Island NY

Tonight
Low: 60 °F
Mostly Clear
Tuesday
High: 80 °F
Mostly Sunny
Tuesday Night
Low: 65 °F
Partly Cloudy
then Showers
Likely
Wednesday
High: 77 °F
Showers
Wednesday Night
Low: 56 °F
Showers
Likely then
Partly Cloudy
Thursday
High: 78 °F
Mostly Sunny
Thursday Night
Low: 56 °F
Mostly Clear
Friday
High: 80 °F
Sunny
Friday Night
Low: 60 °F
Partly Cloudy

Detailed Forecast

Tonight

Mostly clear, with a low around 60. North wind 3 to 6 mph.

Tuesday

Mostly sunny, with a high near 80. West wind 3 to 7 mph.

Tuesday Night

A chance of showers and thunderstorms between 2am and 5am, then showers likely and possibly a thunderstorm after 5am. Increasing clouds, with a low around 65. Southwest wind 6 to 8 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Wednesday

Showers and possibly a thunderstorm. High near 77. Southwest wind around 8 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Wednesday Night

Showers likely and possibly a thunderstorm before 8pm. Partly cloudy, with a low around 56. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Thursday

Mostly sunny, with a high near 78. Calm wind becoming northwest around 5 mph in the afternoon.

Thursday Night

Mostly clear, with a low around 56. Light and variable wind.

Friday

Sunny, with a high near 80. Calm wind becoming north around 5 mph in the afternoon.

Friday Night

Partly cloudy, with a low around 60.

Saturday

A chance of showers after 2pm. Mostly sunny, with a high near 80. Chance of precipitation is 40%.

Saturday Night

Showers likely. Mostly cloudy, with a low around 60. Chance of precipitation is 60%.