Excessive Rainfall Potential for the Southeast; Heat Expands for Center of the Nation; Critical Fire Weather for Pacific Northwest

Flash flooding threatens areas from the Tennessee Valley to the Carolinas as storms repeat along a stalled front. Monsoonal storms may trigger flooding in the Southwest. Dangerous heat expands across the Desert Southwest, Plains, mid-Mississippi Valley and Southern Tier. Critical fire weather for interior Pacific Northwest. Cooler, drier air brings brief relief to the Great Lakes and Northeast. Read More >

Current conditions at

Niagara Falls, Niagara Falls International Airport (KIAG)

Lat: 43.11°NLon: 78.94°WElev: 587ft.

Fair

76°F

24°C

Humidity	56%
Wind Speed	NE 10 mph
Barometer	30.12 in (1019.9 mb)
Dewpoint	59°F (15°C)
Visibility	10.00 mi
Heat Index	78°F (26°C)
Last update	24 Jul 4:53 pm EDT

More Information:

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

Extended Forecast for

Lewiston NY

Tonight
Low: 63 °F
Mostly Clear
Saturday
High: 82 °F
Mostly Sunny
Saturday Night
Low: 66 °F
Partly Cloudy
Sunday
High: 84 °F
Mostly Sunny
then Chance
T-storms
Sunday Night
Low: 67 °F
Chance
Showers
Monday
High: 84 °F
Chance
T-storms then
Showers
Likely
Monday Night
Low: 68 °F
Showers
Tuesday
High: 79 °F
Showers
Likely
Tuesday Night
Low: 65 °F
Chance
Showers

Detailed Forecast

Tonight

Mostly clear, with a low around 63. Northeast wind 5 to 8 mph becoming south after midnight.

Saturday

Mostly sunny, with a high near 82. South wind 7 to 9 mph.

Saturday Night

Partly cloudy, with a low around 66. Southwest wind around 5 mph.

Sunday

A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 84. Southwest wind 5 to 10 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Sunday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. South wind around 6 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Monday

A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 84. Southwest wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Monday Night

Showers and possibly a thunderstorm before 2am, then showers likely. Low around 68. South wind around 7 mph. Chance of precipitation is 80%.

Tuesday

Showers likely, with thunderstorms also possible after 8am. Mostly cloudy, with a high near 79. West wind 7 to 9 mph. Chance of precipitation is 60%.

Tuesday Night

A chance of showers before 2am. Mostly cloudy, with a low around 65. Chance of precipitation is 40%.

Wednesday

Mostly sunny, with a high near 78.

Wednesday Night

Partly cloudy, with a low around 64.

Thursday

Sunny, with a high near 80.