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

Heavy Rainfall and Severe Thunderstorm Threats for the Plains and Southeast

A frontal boundary extending from the western High Plains to the Southeast will focus additional showers and thunderstorms this weekend. Some of these storms may become severe, alongside frequent lightning, and isolated instances of flash flooding. Meanwhile dry conditions will continue for the Great Basin where fire weather concerns linger. For the mid-Atlantic and Northeast, seasonable weather. Read More >

Hazardous Weather Conditions

Current conditions at

Niagara Falls, Niagara Falls International Airport (KIAG)

Lat: 43.11°NLon: 78.94°WElev: 587ft.

Fair with Haze

68°F

20°C

Humidity 73%
Wind Speed W 5 mph
Barometer 30.22 in (1023.2 mb)
Dewpoint 59°F (15°C)
Visibility 5.00 mi
Last update 3 Aug 8:53 am EDT
Extended Forecast for

Lewiston NYSimilar City Names

  • Today

    Today: Widespread haze. Sunny, with a high near 85. Northwest wind around 7 mph.

    High: 85 °F

    Haze

  • Tonight

    Tonight: Widespread haze before midnight. Mostly clear, with a low around 63. West wind around 5 mph becoming calm after midnight.

    Low: 63 °F

    Haze then
    Clear

  • Monday

    Monday: Sunny, with a high near 87. Calm wind becoming north around 5 mph in the afternoon.

    High: 87 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 65. Light east wind.

    Low: 65 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 88. Northeast wind 5 to 7 mph.

    High: 88 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 68. East wind around 7 mph.

    Low: 68 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 88. East wind around 7 mph.

    High: 88 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 67. East wind around 6 mph becoming south after midnight.

    Low: 67 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny

Detailed Forecast

Today
Widespread haze. Sunny, with a high near 85. Northwest wind around 7 mph.
Tonight
Widespread haze before midnight. Mostly clear, with a low around 63. West wind around 5 mph becoming calm after midnight.
Monday
Sunny, with a high near 87. Calm wind becoming north around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 65. Light east wind.
Tuesday
Mostly sunny, with a high near 88. Northeast wind 5 to 7 mph.
Tuesday Night
Partly cloudy, with a low around 68. East wind around 7 mph.
Wednesday
Partly sunny, with a high near 88. East wind around 7 mph.
Wednesday Night
Mostly cloudy, with a low around 67. East wind around 6 mph becoming south after midnight.
Thursday
Mostly sunny, with a high near 87.
Thursday Night
Mostly clear, with a low around 67.
Friday
Sunny, with a high near 88.
Friday Night
Mostly clear, with a low around 70.
Saturday
Sunny and hot, with a high near 90.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lewiston NYSimilar City Names
 43.16°N 79.03°W (Elev. 548 ft)
Last Update:
7:36 am EDT Aug 3, 2025
Forecast Valid:
9am EDT Aug 3, 2025-6pm EDT Aug 9, 2025
 
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