National Weather Service United States Department of Commerce

Flash flooding possible across parts of Great Basin and southern Plains

A very wet pattern will persist across the Great Basin and into the southern Plains on Tuesday. Heavy rainfall is expected from southeastern Wyoming across Colorado, northeastern New Mexico into the Texas Panhandle and western Oklahoma. Isolated rainfall rates of 1-2 inches per hour will bring a risk of flash flooding to these areas
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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

Chance Showers Chance for Measurable Precipitation 30%

Chance
Showers

High: 70 °F

Tonight

Chance Showers Chance for Measurable Precipitation 50%

Chance
Showers

Low: 57 °F

Wednesday

Chance Showers Chance for Measurable Precipitation 30%

Chance
Showers

High: 74 °F

Wednesday
Night

Chance Showers Chance for Measurable Precipitation 30%

Chance
Showers

Low: 58 °F

Thursday

Chance Showers Chance for Measurable Precipitation 30%

Chance
Showers

High: 76 °F

Thursday
Night

Partly Cloudy

Partly
Cloudy

Low: 58 °F

Friday

Mostly Sunny

Mostly
Sunny

High: 80 °F

Friday
Night

Partly Cloudy

Partly
Cloudy

Low: 63 °F

Saturday

Chance Thunderstorms Chance for Measurable Precipitation 30%

Chance
Thunderstorms

High: 80 °F

Detailed Forecast

  • This Afternoon A chance of showers, mainly after 3pm. Partly sunny, with a high near 70. West wind 7 to 9 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
  • Tonight A chance of showers, mainly after 1am. Mostly cloudy, with a low around 57. Southwest wind 7 to 11 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.
  • Wednesday A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 74. Light west wind becoming southwest 5 to 9 mph in the morning. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
  • Wednesday Night A chance of showers and thunderstorms. Mostly cloudy, with a low around 58. West wind 5 to 8 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
  • Thursday A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 76. Southwest wind 5 to 10 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
  • Thursday Night Partly cloudy, with a low around 58.
  • Friday Mostly sunny, with a high near 80.
  • Friday Night Partly cloudy, with a low around 63.
  • Saturday A chance of showers and thunderstorms. Partly sunny, with a high near 80. Chance of precipitation is 30%.
  • Saturday Night A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Chance of precipitation is 30%.
  • Sunday A chance of showers and thunderstorms. Partly sunny, with a high near 81. Chance of precipitation is 30%.
  • Sunday Night Partly cloudy, with a low around 66.
  • Monday Mostly sunny, with a high near 82.