Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

Niagara Falls, Niagara Falls International Airport (KIAG)

Lat: 43.11° N Lon: 78.94° W Elev: 587 ft.

A Few Clouds

75°F

24°C

Humidity 76%
Wind Speed SW 10 mph
Barometer 29.89 in (1011.8 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 19 Aug 4:53 pm EDT
Detailed forecast for

Niagara County

Tonight
Partly to mostly cloudy. A chance of showers early. Some patchy fog developing after midnight. Lows in the upper 50s. Light winds. Chance of rain 50 percent.
Thursday
Some patchy fog in the morning, otherwise becoming mostly sunny. Highs in the upper 70s. Light north winds.
Thursday Night
Mainly clear. Lows ranging from the mid 50s inland to the upper 50s along the lake ontario shore. Light winds.
Friday
Sunny. Highs around 80. Northeast winds 10 mph or less.
Friday Night
Mainly clear in the evening, then becoming partly cloudy. Lows in the lower 60s. East winds 10 mph or less.
Saturday
Showers likely with a chance of thunderstorms. Highs in the lower 80s. Chance of rain 70 percent.
Saturday Night
Showers likely with a chance of thunderstorms. Lows around 60. Chance of rain 70 percent.
Sunday
Partly sunny with a chance of showers. Highs in the upper 70s. Chance of rain 50 percent.
Sunday Night
Partly cloudy with a chance of showers. Lows in the mid 50s. Chance of rain 50 percent.
Monday
Mostly sunny. Highs in the mid 70s.
Monday Night
Partly cloudy. Lows in the mid 50s.
Tuesday
Mostly sunny. Highs in the upper 70s.
Tuesday Night
Mostly cloudy. Lows in the upper 50s.
Wednesday
Partly sunny. Highs in the upper 70s.



Basemap Options
Click map to change the forecast location
Loading map...
400 PM EDT Wed Aug 19 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database