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Heavy Rains and Associated Flooding Across the Plains This Weekend

A slow-moving weather system with abundant moisture will bring heavy rainfall across portions of the Central and Southern Plains Saturday. Soils in the region are already saturated from recent rainfall, so flash flooding and river flooding is likely. Meanwhile, below normal temperatures settle over the northeast, with freeze warnings across much of New England into Saturday.
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Hazardous Weather Conditions

Current conditions at

Lewiston, Lewiston-Nez Perce County Airport (KLWS)

Lat: 46.37472°NLon: 117.01444°WElev: 1437ft.

Partly Cloudy

21°C

69°F

Humidity 47%
Wind Speed calm
Barometer 29.81 in (1008.8 mb)
Dewpoint 9°C (48°F)
Visibility 16 km
Last update 22 May 8:56 pm PDT
Extended Forecast for

Lewiston ID

  • Tonight

    Scattered Showers Chance for Measurable Precipitation 30%

    Scattered
    Showers

    Low: 14 °C

  • Saturday

    Slight Chance Showers Chance for Measurable Precipitation 20%

    Slight Chc
    Showers

    High: 28 °C

  • Saturday
    Night

    Slight Chance Showers Chance for Measurable Precipitation 20%

    Slight Chc
    Showers

    Low: 13 °C

  • Sunday

    Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

    Slight Chc
    Thunderstorms

    High: 28 °C

  • Sunday
    Night

    Partly Cloudy

    Partly
    Cloudy

    Low: 13 °C

  • Memorial
    Day

    Chance Showers Chance for Measurable Precipitation 30%

    Chance
    Showers

    High: 27 °C

  • Monday
    Night

    Chance Showers Chance for Measurable Precipitation 30%

    Chance
    Showers

    Low: 13 °C

  • Tuesday

    Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

    Slight Chc
    Thunderstorms

    High: 25 °C

  • Tuesday
    Night

    Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

    Slight Chc
    Thunderstorms

    Low: 13 °C

Detailed Forecast

Tonight
Scattered showers and thunderstorms before 11pm, then a slight chance of showers. Mostly cloudy, with a low around 14. West wind 6 to 11 km/h becoming light southwest after midnight. Chance of precipitation is 30%. New rainfall amounts of less than 1 mm, except higher amounts possible in thunderstorms.
Saturday
A 20 percent chance of showers after 11am. Mostly sunny, with a high near 28. Northwest wind 5 to 14 km/h.
Saturday Night
A 20 percent chance of showers before 11pm. Partly cloudy, with a low around 13. Northwest wind 9 to 14 km/h becoming light north after midnight.
Sunday
A 20 percent chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 28. Calm wind becoming northwest 5 to 10 km/h in the afternoon.
Sunday Night
Partly cloudy, with a low around 13. Northwest wind 5 to 10 km/h becoming south in the evening.
Memorial Day
A slight chance of showers, then a chance of showers and thunderstorms after 11am. Mostly cloudy, with a high near 27. Chance of precipitation is 30%.
Monday Night
A chance of showers and thunderstorms before 11pm, then a slight chance of showers. Mostly cloudy, with a low around 13. Chance of precipitation is 30%.
Tuesday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 25.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 13.
Wednesday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 26.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 13.
Thursday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 27.
Thursday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 13.
Friday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 29.
  Click Map For Forecast
Point Forecast:
Lewiston ID
 46.43°N 117.01°W (Elev. 239 m)
7:26 pm PDT May 22, 2015
10pm PDT May 22, 2015-6pm PDT May 29, 2015
 
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