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

Excessive Rainfall and Potential Tropical Cyclone in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce locally considerable flash flooding over parts of the northwestern Gulf Coast, lower Mississippi River Valley, and Deep South through Thursday. Potential Tropical Cyclone One is forecast to become a tropical storm (Arthur) as it moves along or just off the northwestern Gulf coast through Wednesday. An outbreak of severe weather is forecast in the Midwest Wednesday. Read More >

Hazardous Weather Conditions

Current conditions at

Niagara Falls, Niagara Falls International Airport (KIAG)

Lat: 43.11°NLon: 78.94°WElev: 587ft.

Fair

57°F

14°C

Humidity 90%
Wind Speed SE 6 mph
Barometer 29.68 in (1004.8 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 17 Jun 2:53 am EDT
Extended Forecast for

Youngstown NY

  • Overnight

    Overnight: A chance of showers, mainly before 5am. Mostly cloudy, with a low around 60. South wind around 7 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 60 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Mostly cloudy, then gradually becoming sunny, with a high near 76. Southwest wind 9 to 14 mph.

    High: 76 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: Showers, with thunderstorms also possible after 2am. Low around 61. Breezy, with a south wind 9 to 14 mph becoming southeast 15 to 20 mph after midnight. Winds could gust as high as 34 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 61 °F

    Showers and
    Breezy

  • Thursday

    Thursday: A chance of showers and thunderstorms before 8am, then a chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 76. Breezy, with a west wind 20 to 24 mph, with gusts as high as 44 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 76 °F

    Chance
    Showers and
    Breezy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 58. West wind 13 to 16 mph, with gusts as high as 26 mph.

    Low: 58 °F

    Partly Cloudy

  • Juneteenth

    Juneteenth: Sunny, with a high near 74. West wind 14 to 18 mph, with gusts as high as 28 mph.

    High: 74 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 56. West wind 11 to 13 mph.

    Low: 56 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 74. West wind around 15 mph.

    High: 74 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

Detailed Forecast

Overnight
A chance of showers, mainly before 5am. Mostly cloudy, with a low around 60. South wind around 7 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a high near 76. Southwest wind 9 to 14 mph.
Wednesday Night
Showers, with thunderstorms also possible after 2am. Low around 61. Breezy, with a south wind 9 to 14 mph becoming southeast 15 to 20 mph after midnight. Winds could gust as high as 34 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
A chance of showers and thunderstorms before 8am, then a chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 76. Breezy, with a west wind 20 to 24 mph, with gusts as high as 44 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Partly cloudy, with a low around 58. West wind 13 to 16 mph, with gusts as high as 26 mph.
Juneteenth
Sunny, with a high near 74. West wind 14 to 18 mph, with gusts as high as 28 mph.
Friday Night
Mostly clear, with a low around 56. West wind 11 to 13 mph.
Saturday
Sunny, with a high near 74. West wind around 15 mph.
Saturday Night
Mostly clear, with a low around 57.
Sunday
Sunny, with a high near 76.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 59. Chance of precipitation is 50%.
Monday
A chance of showers. Partly sunny, with a high near 73. Chance of precipitation is 40%.
Monday Night
Partly cloudy, with a low around 60.
Tuesday
Mostly sunny, with a high near 76.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Youngstown NY
 43.25°N 79.05°W (Elev. 266 ft)
Last Update:
2:22 am EDT Jun 17, 2026
Forecast Valid:
3am EDT Jun 17, 2026-6pm EDT Jun 23, 2026
 
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