Erin Strengthens to a Hurricane; Heavy Rainfall Possible in Puerto Rico and the Virgin Islands, the Upper Midwest, South Texas

Hurricane Erin may bring isolated flash and urban flooding, landslides or mudslides, and possible tropical storm conditions to Puerto Rico and the U.S. Virgin Islands this weekend. Scattered thunderstorms and heavy rainfall may bring areas of flooding this weekend over the Upper Midwest. A tropical disturbance will bring locally heavy rain and mainly urban flash flooding to far southern Texas. Read More >

Current conditions at

Niagara Falls, Niagara Falls International Airport (KIAG)

Lat: 43.11°NLon: 78.94°WElev: 587ft.

Fair

69°F

21°C

Humidity 63%
Wind Speed Calm
Barometer 30.13 in (1019.8 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 16 Aug 1:53 am EDT
Extended Forecast for

Lewiston NY

  • Overnight

    Overnight: Mostly clear, with a low around 67. Calm wind.

    Low: 67 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny and hot, with a high near 90. Calm wind becoming north 5 to 7 mph.

    High: 90 °F

    Hot

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 69. Calm wind becoming south around 6 mph in the evening.

    Low: 69 °F

    Partly Cloudy

  • Sunday

    Sunday: A chance of showers and thunderstorms before 11am, then showers likely and possibly a thunderstorm between 11am and 5pm, then a slight chance of showers and thunderstorms after 5pm.  Mostly cloudy, with a high near 83. Southwest wind 6 to 10 mph becoming northeast in the afternoon.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 83 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 61. Northeast wind 8 to 10 mph.

    Low: 61 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 78. East wind around 10 mph.

    High: 78 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A chance of showers after 2am.  Mostly cloudy, with a low around 62. East wind around 9 mph.  Chance of precipitation is 40%.

    Low: 62 °F

    Mostly Cloudy
    then Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm.  Mostly cloudy, with a high near 81. East wind 8 to 10 mph.  Chance of precipitation is 60%.

    High: 81 °F

    Chance
    T-storms then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely, mainly before 2am.  Mostly cloudy, with a low around 65. Chance of precipitation is 60%.

    Low: 65 °F

    Showers
    Likely

Detailed Forecast

Overnight
Mostly clear, with a low around 67. Calm wind.
Saturday
Mostly sunny and hot, with a high near 90. Calm wind becoming north 5 to 7 mph.
Saturday Night
Partly cloudy, with a low around 69. Calm wind becoming south around 6 mph in the evening.
Sunday
A chance of showers and thunderstorms before 11am, then showers likely and possibly a thunderstorm between 11am and 5pm, then a slight chance of showers and thunderstorms after 5pm. Mostly cloudy, with a high near 83. Southwest wind 6 to 10 mph becoming northeast in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Partly cloudy, with a low around 61. Northeast wind 8 to 10 mph.
Monday
Mostly sunny, with a high near 78. East wind around 10 mph.
Monday Night
A chance of showers after 2am. Mostly cloudy, with a low around 62. East wind around 9 mph. Chance of precipitation is 40%.
Tuesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 81. East wind 8 to 10 mph. Chance of precipitation is 60%.
Tuesday Night
Showers likely, mainly before 2am. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.
Wednesday
A chance of showers before 2pm. Mostly cloudy, with a high near 78. Chance of precipitation is 30%.
Wednesday Night
Mostly cloudy, with a low around 63.
Thursday
Mostly sunny, with a high near 80.
Thursday Night
Mostly clear, with a low around 61.
Friday
Sunny, with a high near 85.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Lewiston NY
 43.16°N 79.03°W (Elev. 548 ft)
2:18 am EDT Aug 16, 2025
2am EDT Aug 16, 2025-6pm EDT Aug 22, 2025
 
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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