National Weather Service United States Department of Commerce

Unsettled weather forecast across eastern U.S.

A storm system moving across the Great Lakes will bring unsettled weather to parts of the eastern U.S. on Monday, with widespread rain is expected across much of the Northeast. Snow is likely across Wisconsin and the western Great Lakes. Snow is also expected across the central and northern Rockies Monday into Tuesday.
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Current Conditions

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Lewiston NY

7 Day Forecast

For More Weather Information:

Buffalo, NY Local Forecast Office

This
Afternoon

Showers Chance for Measurable Precipitation 80%

Showers

High: 63 °F

Tonight

Slight Chance Showers Chance for Measurable Precipitation 20%

Slight Chc
Showers

Low: 39 °F

Tuesday

Chance Rain/Flurries Chance for Measurable Precipitation 30%

Chance
Rain/Flurries

High: 40 °F

Tuesday
Night

Slight Chance Drizzle/Flurries

Slight Chc
Drizzle/Flurries

Low: 29 °F

Wednesday

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

High: 36 °F

Wednesday
Night

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

Low: 29 °F

Thanksgiving
Day

Chance Snow Chance for Measurable Precipitation 30%

Chance
Snow

High: 36 °F

Thursday
Night

Chance Snow Chance for Measurable Precipitation 30%

Chance
Snow

Low: 24 °F

Friday

Partly Sunny

Partly
Sunny

High: 32 °F

Detailed Forecast

  • This Afternoon A chance of showers before 3pm, then showers and possibly a thunderstorm between 3pm and 5pm, then a chance of showers and thunderstorms after 5pm. High near 63. Windy, with a southwest wind 26 to 31 mph, with gusts as high as 55 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
  • Tonight A slight chance of showers before 1am, then a slight chance of sprinkles between 1am and 4am, then a slight chance of rain or drizzle after 4am. Mostly cloudy, with a low around 39. Windy, with a southwest wind 29 to 37 mph, with gusts as high as 60 mph. Chance of precipitation is 20%.
  • Tuesday A chance of rain before 8am, then a chance of drizzle and flurries. Mostly cloudy, with a high near 40. Windy, with a southwest wind 21 to 26 mph, with gusts as high as 48 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
  • Tuesday Night A slight chance of drizzle and flurries before midnight. Mostly cloudy, with a low around 29. Southwest wind 10 to 18 mph, with gusts as high as 31 mph.
  • Wednesday A slight chance of snow after 4pm. Partly sunny, with a high near 36. Southwest wind around 6 mph becoming calm in the morning. Chance of precipitation is 20%.
  • Wednesday Night A slight chance of snow. Mostly cloudy, with a low around 29. Chance of precipitation is 20%.
  • Thanksgiving Day A chance of snow after noon. Mostly cloudy, with a high near 36. Chance of precipitation is 30%.
  • Thursday Night A chance of snow showers. Mostly cloudy, with a low around 24. Chance of precipitation is 30%.
  • Friday Partly sunny, with a high near 32.
  • Friday Night Cloudy, with a low around 25.
  • Saturday A chance of snow showers. Mostly cloudy, with a high near 36. Chance of precipitation is 30%.
  • Saturday Night A chance of snow showers. Mostly cloudy, with a low around 28. Chance of precipitation is 30%.
  • Sunday A chance of snow showers. Partly sunny, with a high near 38. Chance of precipitation is 30%.