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

Extreme Heat and Fire Weather Conditions in the West; Severe Thunderstorm Threat in the Northern Plains on Thursday

Extreme heat will may set some new daily temperature records across the Desert Southwest. Hot, dry and windy conditions and dry thunderstorms continue to bring fire weather concerns for portions of the Desert Southwest, the central Great Basin and Rockies. Severe thunderstorms and heavy rain are expected across the Northern Plains late Thursday. Read More >

Hazardous Weather Conditions

Current conditions at

Niagara Falls, Niagara Falls International Airport (KIAG)

Lat: 43.11°NLon: 78.94°WElev: 587ft.

Fair

70°F

21°C

Humidity 73%
Wind Speed S 7 mph
Barometer 30.30 in (1025.6 mb)
Dewpoint 61°F (16°C)
Visibility 7.00 mi
Last update 7 Aug 4:53 am EDT
Extended Forecast for

Lewiston NY

  • Today

    Today: Widespread haze between 10am and 5pm. Mostly sunny, with a high near 86. South wind around 7 mph.

    High: 86 °F

    Haze

  • Tonight

    Tonight: Widespread haze between 7pm and 9pm. Mostly clear, with a low around 68. South wind 5 to 7 mph.

    Low: 68 °F

    Haze then
    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 87. South wind around 9 mph.

    High: 87 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 70. South wind around 7 mph.

    Low: 70 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 89. Southwest wind around 8 mph.

    High: 89 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 70. South wind around 6 mph.

    Low: 70 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 92. Southwest wind around 8 mph.

    High: 92 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 72. South wind around 6 mph.

    Low: 72 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 92.

    High: 92 °F

    Hot

Detailed Forecast

Today
Widespread haze between 10am and 5pm. Mostly sunny, with a high near 86. South wind around 7 mph.
Tonight
Widespread haze between 7pm and 9pm. Mostly clear, with a low around 68. South wind 5 to 7 mph.
Friday
Mostly sunny, with a high near 87. South wind around 9 mph.
Friday Night
Partly cloudy, with a low around 70. South wind around 7 mph.
Saturday
Mostly sunny, with a high near 89. Southwest wind around 8 mph.
Saturday Night
Mostly clear, with a low around 70. South wind around 6 mph.
Sunday
Sunny and hot, with a high near 92. Southwest wind around 8 mph.
Sunday Night
Mostly clear, with a low around 72. South wind around 6 mph.
Monday
Sunny and hot, with a high near 92.
Monday Night
Partly cloudy, with a low around 72.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 89. Chance of precipitation is 30%.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Chance of precipitation is 30%.
Wednesday
A chance of showers. Partly sunny, with a high near 88. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lewiston NY
 43.16°N 79.03°W (Elev. 548 ft)
Last Update:
4:36 am EDT Aug 7, 2025
Forecast Valid:
5am EDT Aug 7, 2025-6pm EDT Aug 13, 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