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

Watching Hurricane Erin; Heavy Rainfall Threat for Upper Midwest; Heatrisk for Mississippi Valley

Hurricane Erin continues to track westward with its outer bands bringing heavy rainfall and gusty winds for Puerto Rico and US Virgin Islands. Life-threatening surf and rip currents are occurring and will spread across the Atlantic coasts this week. Meanwhile, heavy rainfall and possible flooding are in the forecast for upper Midwest through Monday. Heatrisk continues for the Mississippi Valley. Read More >

Hazardous Weather Conditions

Current conditions at

Fulton, Oswego County Airport (KFZY)

Lat: 43.35°NLon: 76.39°WElev: 476ft.

Fair

56°F

13°C

Humidity 93%
Wind Speed N 3 mph
Barometer 30.13 in (1020.1 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 18 Aug 12:54 am EDT
Extended Forecast for

Hannibal NY

  • Overnight

    Overnight: Mostly clear, with a low around 54. Northeast wind 6 to 8 mph.

    Low: 54 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 74. Northeast wind around 9 mph.

    High: 74 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 52. Northeast wind around 5 mph becoming calm in the evening.

    Low: 52 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 80. South wind 6 to 8 mph.

    High: 80 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers. Mostly cloudy, with a low around 63. South wind around 7 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 63 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 11am. Mostly cloudy, with a high near 78. South wind around 8 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 78 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers before 2am. Mostly cloudy, with a low around 61. Northeast wind around 5 mph. Chance of precipitation is 30%.

    Low: 61 °F

    Chance
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 77. North wind 6 to 10 mph.

    High: 77 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 54. Northeast wind 6 to 8 mph.
Monday
Sunny, with a high near 74. Northeast wind around 9 mph.
Monday Night
Partly cloudy, with a low around 52. Northeast wind around 5 mph becoming calm in the evening.
Tuesday
Partly sunny, with a high near 80. South wind 6 to 8 mph.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 63. South wind around 7 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A chance of showers, with thunderstorms also possible after 11am. Mostly cloudy, with a high near 78. South wind around 8 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A chance of showers before 2am. Mostly cloudy, with a low around 61. Northeast wind around 5 mph. Chance of precipitation is 30%.
Thursday
Mostly sunny, with a high near 77. North wind 6 to 10 mph.
Thursday Night
Mostly clear, with a low around 58.
Friday
Sunny, with a high near 81.
Friday Night
Mostly clear, with a low around 63.
Saturday
Mostly sunny, with a high near 85.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. Chance of precipitation is 50%.
Sunday
A chance of showers. Partly sunny, with a high near 78. Chance of precipitation is 40%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hannibal NY
 43.33°N 76.58°W (Elev. 308 ft)
Last Update:
1:36 am EDT Aug 18, 2025
Forecast Valid:
1am EDT Aug 18, 2025-6pm EDT Aug 24, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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