Dangerous Heat in the Southwest; Severe Thunderstorms from the Central Plains into the Ohio Valley

Dangerous heat will build across the Southwest U.S. through the end of the week with daytime highs of 110-115°F. Isolated to widely scattered severe storms are expected across parts of the central and southern High Plains, Great Lakes into the Ohio Valley, and parts of the Ozarks to Lower Mississippi Valley today. Read More >

Hazardous Weather Conditions

Current conditions at

Fulton, Oswego County Airport (KFZY)

Lat: 43.35°NLon: 76.39°WElev: 476ft.

Fair

70°F

21°C

Humidity 76%
Wind Speed S 7 mph
Barometer 30.09 in (1018.7 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 26 Aug 10:54 am EDT
Extended Forecast for

Hannibal NY

  • Today

    Today: Mostly sunny, with a high near 79. South wind 5 to 9 mph.

    High: 79 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 65. South wind around 6 mph.

    Low: 65 °F

    Partly Cloudy

  • Thursday

    Thursday: A slight chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers and possibly a thunderstorm after 2pm.  High near 81. South wind around 9 mph.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Chance
    Showers then
    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am.  Mostly cloudy, with a low around 59. Light and variable wind.  Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 59 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 73. Northwest wind 5 to 9 mph.

    High: 73 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 52. Calm wind.

    Low: 52 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 76. Calm wind becoming west around 5 mph in the afternoon.

    High: 76 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 54. Calm wind.

    Low: 54 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 79. South wind 5 to 9 mph.
Tonight
Partly cloudy, with a low around 65. South wind around 6 mph.
Thursday
A slight chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 81. South wind around 9 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 59. Light and variable wind. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Mostly sunny, with a high near 73. Northwest wind 5 to 9 mph.
Friday Night
Mostly clear, with a low around 52. Calm wind.
Saturday
Sunny, with a high near 76. Calm wind becoming west around 5 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 54. Calm wind.
Sunday
Mostly sunny, with a high near 81.
Sunday Night
Mostly cloudy, with a low around 64.
Monday
A chance of showers. Partly sunny, with a high near 82. Chance of precipitation is 30%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 65. Chance of precipitation is 50%.
Tuesday
A chance of showers. Partly sunny, with a high near 82. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Hannibal NY
 43.31°N 76.58°W (Elev. 400 ft)
9:57 am EDT Aug 26, 2026
11am EDT Aug 26, 2026-6pm EDT Sep 1, 2026
 
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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