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

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.

Partly Cloudy

72°F

22°C

Humidity 91%
Wind Speed N 6 mph
Barometer 29.92 in (1012.5 mb)
Dewpoint 69°F (21°C)
Visibility 9.00 mi
Last update 17 Aug 5:53 am EDT
Extended Forecast for

South Lockport NY

  • Today

    Today: Showers and thunderstorms likely before 5pm, then a chance of showers. Mostly cloudy, with a high near 80. Southwest wind 7 to 13 mph becoming north in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 80 °F

    Showers
    Likely

  • Tonight

    Tonight: A chance of showers before 7pm, then a slight chance of showers and thunderstorms between 7pm and 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 54. Northeast wind 11 to 13 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 54 °F

    Chance
    Showers then
    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 74. Northeast wind 11 to 13 mph.

    High: 74 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 55. East wind 6 to 8 mph.

    Low: 55 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of showers after 2pm. Mostly cloudy, with a high near 81. East wind around 7 mph. Chance of precipitation is 30%.

    High: 81 °F

    Mostly Cloudy
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then showers likely after 2am. Mostly cloudy, with a low around 62. East wind around 6 mph becoming southeast after midnight. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 62 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A chance of showers. Mostly cloudy, with a high near 80. East wind 6 to 9 mph becoming northeast in the afternoon. Chance of precipitation is 40%.

    High: 80 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 60. Northeast wind 6 to 8 mph.

    Low: 60 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

Detailed Forecast

Today
Showers and thunderstorms likely before 5pm, then a chance of showers. Mostly cloudy, with a high near 80. Southwest wind 7 to 13 mph becoming north in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
A chance of showers before 7pm, then a slight chance of showers and thunderstorms between 7pm and 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 54. Northeast wind 11 to 13 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
Mostly sunny, with a high near 74. Northeast wind 11 to 13 mph.
Monday Night
Partly cloudy, with a low around 55. East wind 6 to 8 mph.
Tuesday
A chance of showers after 2pm. Mostly cloudy, with a high near 81. East wind around 7 mph. Chance of precipitation is 30%.
Tuesday Night
A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then showers likely after 2am. Mostly cloudy, with a low around 62. East wind around 6 mph becoming southeast after midnight. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
A chance of showers. Mostly cloudy, with a high near 80. East wind 6 to 9 mph becoming northeast in the afternoon. Chance of precipitation is 40%.
Wednesday Night
Mostly cloudy, with a low around 60. Northeast wind 6 to 8 mph.
Thursday
Mostly sunny, with a high near 79.
Thursday Night
Mostly clear, with a low around 57.
Friday
Sunny, with a high near 86.
Friday Night
Mostly clear, with a low around 62.
Saturday
Mostly sunny, with a high near 86.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
South Lockport NY
 43.13°N 78.68°W (Elev. 600 ft)
Last Update:
5:09 am EDT Aug 17, 2025
Forecast Valid:
6am EDT Aug 17, 2025-6pm EDT Aug 23, 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