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

Dangerous Heat Wave from the Midwest to East Coast

A large ridge of high pressure extending from the Central to Eastern U.S. will deliver a dangerous summer heat wave through the weekend. Widespread excessive heat warnings and heat advisories already cover the Eastern two-thirds of the country. A number of record highs and overnight warm minimum temperatures are likely. Heat indices will surge past 100 degrees and approach the 110s. Heat Safety! Read More >

Hazardous Weather Conditions

Current conditions at

Elmira, Elmira / Corning Regional Airport (KELM)

Lat: 42.16°NLon: 76.9°WElev: 955ft.

Fair

73°F

23°C

Humidity 94%
Wind Speed Calm
Barometer 29.88 in (1011.3 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Last update 18 Jul 8:53 pm EDT
Extended Forecast for

Southport NY

Excessive Heat Warning July 19, 12:00pm until July 20, 08:00pm
Click here for hazard details and duration
Excessive Heat Warning

  • Tonight

    Tonight: Partly cloudy, with a low around 68. Calm wind.

    Partly Cloudy

    Low: 68 °F

  • Friday

    Friday: A chance of showers and thunderstorms, mainly after 2pm. Partly sunny and hot, with a high near 95. Heat index values as high as 107. Southwest wind 5 to 9 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Mostly Sunny
    then Chance
    T-storms

    High: 95 °F

  • Friday
    Night

    Friday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 73. West wind 3 to 7 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Chance
    T-storms

    Low: 73 °F

  • Saturday

    Saturday: A slight chance of showers and thunderstorms. Partly sunny and hot, with a high near 96. Heat index values as high as 108. West wind 5 to 10 mph. Chance of precipitation is 20%.

    Slight Chance
    T-storms

    High: 96 °F

  • Saturday
    Night

    Saturday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 73. West wind 3 to 7 mph. Chance of precipitation is 30%.

    Chance
    T-storms

    Low: 73 °F

  • Sunday

    Sunday: A chance of showers and thunderstorms. Partly sunny, with a high near 90. Chance of precipitation is 50%.

    Chance
    T-storms

    High: 90 °F

  • Sunday
    Night

    Sunday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Chance of precipitation is 40%.

    Chance
    T-storms

    Low: 65 °F

  • Monday

    Monday: A chance of showers and thunderstorms. Partly sunny, with a high near 82. Chance of precipitation is 30%.

    Chance
    T-storms

    High: 82 °F

  • Monday
    Night

    Monday Night: Partly cloudy, with a low around 58.

    Partly Cloudy

    Low: 58 °F

Detailed Forecast

Tonight
Partly cloudy, with a low around 68. Calm wind.
Friday
A chance of showers and thunderstorms, mainly after 2pm. Partly sunny and hot, with a high near 95. Heat index values as high as 107. Southwest wind 5 to 9 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 73. West wind 3 to 7 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
A slight chance of showers and thunderstorms. Partly sunny and hot, with a high near 96. Heat index values as high as 108. West wind 5 to 10 mph. Chance of precipitation is 20%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 73. West wind 3 to 7 mph. Chance of precipitation is 30%.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 90. Chance of precipitation is 50%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Chance of precipitation is 40%.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 82. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 58.
Tuesday
Mostly sunny, with a high near 79.
Tuesday Night
Partly cloudy, with a low around 55.
Wednesday
Sunny, with a high near 81.
Wednesday Night
Partly cloudy, with a low around 58.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 82. Chance of precipitation is 30%.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Southport NY
 42.06°N 76.82°W (Elev. 899 ft)
Last Update:
9:30 pm EDT Jul 18, 2019
Forecast Valid:
9pm EDT Jul 18, 2019-6pm EDT Jul 25, 2019
 
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