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 >

Current conditions at

Fulton, Oswego County Airport (KFZY)

Lat: 43.35°NLon: 76.39°WElev: 476ft.

Light Rain

70°F

21°C

Humidity 51%
Wind Speed Calm
Barometer 29.80 in (1008.9 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 16 Jun 1:54 pm EDT
Extended Forecast for

Hannibal NY

  • This Afternoon

    This Afternoon: A chance of showers and thunderstorms, mainly before 5pm. Mostly sunny, with a high near 76. Southwest wind around 6 mph. Chance of precipitation is 30%.

    High: 76 °F

    Chance
    Showers

  • Tonight

    Tonight: Mostly cloudy, with a low around 58. Calm wind becoming southeast around 5 mph after midnight.

    Low: 58 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of showers before 2pm, then showers likely and possibly a thunderstorm between 2pm and 3pm, then a chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 77. South wind 6 to 8 mph becoming west in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 77 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely, mainly after 2am. Mostly cloudy, with a low around 62. Calm wind becoming southeast 5 to 8 mph after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 62 °F

    Showers
    Likely

  • Thursday

    Thursday: Showers and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms after 2pm. High near 83. South wind around 17 mph becoming west in the afternoon. Winds could gust as high as 36 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 83 °F

    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 60. West wind 10 to 15 mph, with gusts as high as 29 mph. 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
    Showers then
    Partly Cloudy

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 76. West wind 11 to 16 mph, with gusts as high as 28 mph.

    High: 76 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 57. West wind around 11 mph, with gusts as high as 25 mph.

    Low: 57 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms, mainly before 5pm. Mostly sunny, with a high near 76. Southwest wind around 6 mph. Chance of precipitation is 30%.
Tonight
Mostly cloudy, with a low around 58. Calm wind becoming southeast around 5 mph after midnight.
Wednesday
A chance of showers before 2pm, then showers likely and possibly a thunderstorm between 2pm and 3pm, then a chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 77. South wind 6 to 8 mph becoming west in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 62. Calm wind becoming southeast 5 to 8 mph after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
Showers and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms after 2pm. High near 83. South wind around 17 mph becoming west in the afternoon. Winds could gust as high as 36 mph. Chance of precipitation is 90%. 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 8pm. Mostly cloudy, with a low around 60. West wind 10 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Juneteenth
Mostly sunny, with a high near 76. West wind 11 to 16 mph, with gusts as high as 28 mph.
Friday Night
Partly cloudy, with a low around 57. West wind around 11 mph, with gusts as high as 25 mph.
Saturday
Mostly sunny, with a high near 72.
Saturday Night
Partly cloudy, with a low around 57.
Sunday
Sunny, with a high near 75.
Sunday Night
A chance of showers. Partly cloudy, with a low around 58. Chance of precipitation is 30%.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 77. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Hannibal NY
 43.33°N 76.58°W (Elev. 308 ft)
Last Update:
1:57 pm EDT Jun 16, 2026
Forecast Valid:
2pm EDT Jun 16, 2026-6pm EDT Jun 22, 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