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.

Mostly Cloudy

77°F

25°C

Humidity 56%
Wind Speed Vrbl 3 mph
Barometer 30.04 in (1017.1 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 26 Aug 1:54 pm EDT
Extended Forecast for

Hannibal NY

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 79. South wind 3 to 5 mph.

    High: 79 °F

    Mostly Sunny

  • Tonight

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

    Low: 65 °F

    Mostly Cloudy

  • Thursday

    Thursday: Showers and thunderstorms before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then a chance of showers and thunderstorms after 5pm.  High near 80. South wind 8 to 10 mph becoming west in the afternoon.  Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 80 °F

    Chance
    Showers then
    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 11pm.  Mostly cloudy, with a low around 60. Southwest wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 60 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Friday

    Friday: A slight chance of showers before 2pm.  Partly sunny, with a high near 72. Northwest wind 5 to 8 mph.  Chance of precipitation is 20%.

    High: 72 °F

    Slight Chance
    Showers

  • 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 southwest 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

This Afternoon
Mostly sunny, with a high near 79. South wind 3 to 5 mph.
Tonight
Mostly cloudy, with a low around 65. South wind around 6 mph.
Thursday
Showers and thunderstorms before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then a chance of showers and thunderstorms after 5pm. High near 80. South wind 8 to 10 mph becoming west in the afternoon. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers and thunderstorms before 11pm. Mostly cloudy, with a low around 60. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
A slight chance of showers before 2pm. Partly sunny, with a high near 72. Northwest wind 5 to 8 mph. Chance of precipitation is 20%.
Friday Night
Mostly clear, with a low around 52. Calm wind.
Saturday
Sunny, with a high near 76. Calm wind becoming southwest 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)
1:57 pm EDT Aug 26, 2026
2pm 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