National Weather Service United States Department of Commerce

Flash flooding possible across parts of central Plains and Upper Midwest

Heavy rain is forecast from the central Plains into the Upper Midwest and will bring a threat of flash flooding to these regions Thursday into Friday. The heaviest rain on Thursday is expected from northern Kansas across eastern Nebraska, Iowa and southeastern Minnesota into Wisconsin.
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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

Sunny

Sunny

High: 70 °F

Tonight

Mostly Clear

Mostly
Clear

Low: 55 °F

Friday

Increasing Clouds

Increasing
Clouds

High: 76 °F

Friday
Night

Chance Sprinkles

Chance
Sprinkles

Low: 64 °F

Saturday

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

High: 87 °F

Saturday
Night

Showers Likely Chance for Measurable Precipitation 60%

Showers
Likely

Low: 67 °F

Sunday

Chance Thunderstorms Chance for Measurable Precipitation 40%

Chance
Thunderstorms

High: 83 °F

Sunday
Night

Chance Thunderstorms Chance for Measurable Precipitation 30%

Chance
Thunderstorms

Low: 67 °F

Labor
Day

Chance Thunderstorms Chance for Measurable Precipitation 40%

Chance
Thunderstorms

High: 83 °F

Detailed Forecast

  • This Afternoon Sunny, with a high near 70. Northwest wind 10 to 13 mph.
  • Tonight Mostly clear, with a low around 55. Northwest wind 3 to 6 mph.
  • Friday Increasing clouds, with a high near 76. Light east wind.
  • Friday Night A chance of sprinkles after 10pm. Mostly cloudy, with a low around 64. South wind around 6 mph.
  • Saturday A slight chance of showers before 7am, then a slight chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 87. South wind 8 to 14 mph. Chance of precipitation is 20%.
  • Saturday Night A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 67. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
  • Sunday A chance of showers, with thunderstorms also possible after noon. Mostly cloudy, with a high near 83. Chance of precipitation is 40%.
  • Sunday Night A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Chance of precipitation is 30%.
  • Labor Day A chance of showers and thunderstorms. Partly sunny, with a high near 83. Chance of precipitation is 40%.
  • Monday Night A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Chance of precipitation is 40%.
  • Tuesday A chance of showers and thunderstorms. Partly sunny, with a high near 80. Chance of precipitation is 40%.
  • Tuesday Night Mostly cloudy, with a low around 60.
  • Wednesday Mostly sunny, with a high near 78.