National Weather Service United States Department of Commerce

Unseasonably cold temperatures spreading into central U.S.

A strong cold front will usher a much colder air mass into the central and eastern U.S. for the end of the work week. Temperatures will be 10 to 20 degrees below average in some areas. Rain and snow will be possible across the Great Lakes on Friday as the system crosses the area. Heavy snow is possible in the central Appalachians Friday night.
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Current Conditions

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6 Miles ENE Sumpter OR

7 Day Forecast

For More Weather Information:

Boise, ID Local Forecast Office

Tonight

Mostly Cloudy

Mostly
Cloudy

Low: 44 °F

Friday

Showers Likely Chance for Measurable Precipitation 60%

Showers
Likely

High: 50 °F

Friday
Night

Rain Chance for Measurable Precipitation 90%

Rain

Low: 41 °F

Saturday

Snow Chance for Measurable Precipitation 90%

Snow

High: 41 °F

Saturday
Night

Chance Snow Chance for Measurable Precipitation 30%

Chance
Snow

Low: 28 °F

Sunday

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

High: 38 °F

Sunday
Night

Partly Cloudy

Partly
Cloudy

Low: 29 °F

Monday

Partly Sunny

Partly
Sunny

High: 43 °F

Monday
Night

Slight Chance Rain/Snow Chance for Measurable Precipitation 20%

Slight Chc
Rain/Snow

Low: 36 °F

Detailed Forecast

  • Tonight Mostly cloudy, with a low around 44. South wind 5 to 7 mph.
  • Friday Showers likely and possibly a thunderstorm, mainly after 5pm. Cloudy, with a high near 50. South southeast wind 11 to 17 mph. Chance of precipitation is 60%.
  • Friday Night Rain showers. Some thunder is also possible. Low around 41. Light and variable wind becoming west northwest 5 to 10 mph after midnight. Chance of precipitation is 90%.
  • Saturday Snow showers. High near 41. West northwest wind 11 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
  • Saturday Night A 30 percent chance of snow, mainly before 11pm. Mostly cloudy, with a low around 28. Blustery, with a northwest wind 18 to 21 mph, with gusts as high as 33 mph. New snow accumulation of less than a half inch possible.
  • Sunday A 20 percent chance of snow. Mostly sunny, with a high near 38.
  • Sunday Night Partly cloudy, with a low around 29.
  • Monday Partly sunny, with a high near 43.
  • Monday Night A slight chance of rain and snow. Mostly cloudy, with a low around 36. Chance of precipitation is 20%.
  • Tuesday A chance of snow. Mostly cloudy, with a high near 44. Chance of precipitation is 40%.
  • Tuesday Night A 20 percent chance of rain. Mostly cloudy, with a low around 36.
  • Wednesday A 20 percent chance of rain. Mostly cloudy, with a high near 46.
  • Wednesday Night A 30 percent chance of rain. Mostly cloudy, with a low around 37.
  • Thursday A 20 percent chance of rain. Mostly cloudy, with a high near 48.