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

Early Heat Wave in the West; Fire Concerns in the Plains

An anomalously early heat wave will continue to intensify and expand across the West and Southwest as the week progresses. Numerous daily and potentially monthly record highs are expected to be broken. Elevated to critical fire weather conditions are expected today across the High Plains and southern Plains. Lake effect snow downwind of the Great Lakes will taper off today. Read More >

Hazardous Weather Conditions

Current conditions at

Fulton, Oswego County Airport (KFZY)

Lat: 43.35°NLon: 76.39°WElev: 476ft.

Unknown Precip and Windy

20°F

-7°C

Humidity 52%
Wind Speed W 29 G 41 mph
Barometer 29.83 in (1010.8 mb)
Dewpoint 5°F (-15°C)
Visibility 4.00 mi
Wind Chill2°F (-17°C)
Last update 17 Mar 10:54 am EDT
Extended Forecast for

Hannibal NY

Lake Effect Snow Warning March 17, 11:35am until March 18, 08:00am
Click here for hazard details and duration
Lake Effect Snow Warning
  •  
    Lake Effect Snow Warning March 17, 11:35am until March 18, 08:00am

    NOW until 8:00am Wed

    Lake Effect Snow Warning

  • Today

    High: 24 °F

    Snow Showers
    and Patchy
    Blowing Snow

  • Tonight

    Tonight: Snow showers. The snow could be heavy at times. Low around 16. West wind 7 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.

    Low: 16 °F

    Heavy Snow

  • Wednesday

    Wednesday: Snow showers likely, mainly before 8am. Mostly cloudy, with a high near 32. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 32 °F

    Snow Showers
    Likely then
    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 27. South wind 3 to 6 mph.

    Low: 27 °F

    Mostly Cloudy

  • Thursday

    Thursday: A slight chance of snow showers before noon, then a slight chance of rain and snow showers between noon and 1pm, then a slight chance of rain showers after 1pm. Mostly cloudy, with a high near 41. South wind around 7 mph. Chance of precipitation is 20%.

    High: 41 °F

    Slight Chance
    Snow Showers
    then Slight
    Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: A chance of showers, mainly before 2am. Mostly cloudy, with a low around 32. Southwest wind 3 to 5 mph. Chance of precipitation is 30%.

    Low: 32 °F

    Chance
    Showers

  • Friday

    Friday: A chance of showers after 2pm. Mostly cloudy, with a high near 43. Southwest wind 3 to 6 mph. Chance of precipitation is 30%.

    High: 43 °F

    Mostly Cloudy
    then Chance
    Showers

  • Friday Night

    Friday Night: A chance of rain and snow showers. Mostly cloudy, with a low around 30. Northwest wind 3 to 6 mph. Chance of precipitation is 50%.

    Low: 30 °F

    Chance
    Rain/Snow

Detailed Forecast

Today
Snow showers, mainly after 2pm. Patchy blowing snow. High near 24. Breezy, with a west wind around 21 mph, with gusts as high as 41 mph. Chance of precipitation is 80%. Total daytime snow accumulation of around an inch possible.
Tonight
Snow showers. The snow could be heavy at times. Low around 16. West wind 7 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.
Wednesday
Snow showers likely, mainly before 8am. Mostly cloudy, with a high near 32. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Wednesday Night
Mostly cloudy, with a low around 27. South wind 3 to 6 mph.
Thursday
A slight chance of snow showers before noon, then a slight chance of rain and snow showers between noon and 1pm, then a slight chance of rain showers after 1pm. Mostly cloudy, with a high near 41. South wind around 7 mph. Chance of precipitation is 20%.
Thursday Night
A chance of showers, mainly before 2am. Mostly cloudy, with a low around 32. Southwest wind 3 to 5 mph. Chance of precipitation is 30%.
Friday
A chance of showers after 2pm. Mostly cloudy, with a high near 43. Southwest wind 3 to 6 mph. Chance of precipitation is 30%.
Friday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 30. Northwest wind 3 to 6 mph. Chance of precipitation is 50%.
Saturday
A chance of rain and snow showers before 2pm, then a chance of rain showers. Mostly cloudy, with a high near 42. Chance of precipitation is 40%.
Saturday Night
A chance of rain showers before 8pm, then a chance of rain and snow showers. Mostly cloudy, with a low around 30. Chance of precipitation is 40%.
Sunday
A chance of rain and snow showers. Mostly cloudy, with a high near 44. Chance of precipitation is 40%.
Sunday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 25. Chance of precipitation is 30%.
Monday
Partly sunny, with a high near 36.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hannibal NY
 43.3°N 76.56°W (Elev. 400 ft)
Last Update:
9:59 am EDT Mar 17, 2026
Forecast Valid:
11am EDT Mar 17, 2026-6pm EDT Mar 23, 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