National Weather Service United States Department of Commerce

A stalled frontal boundary and ample monsoonal moisture will lead to flash flood potential from the Great Basin to the Great Plains tonight and Tuesday

A stalled frontal boundary will set up along the southern and central Rockies for the next couple of days providing focus for showers and thunderstorms. In addition, ample monsoonal moisture will stream in across the southwest bringing enough moisture to introduce a flash flood threat from the Great Basin and Southwest eastward across the central and southern Rockies into the adjacent Plains.
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Current Conditions

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13 Miles SE Union OR

7 Day Forecast

For More Weather Information:

Pendleton, OR Local Forecast Office

Tonight

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

Low: 63 °F

Tuesday

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

High: 93 °F

Tuesday
Night

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

Low: 61 °F

Wednesday

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

High: 88 °F

Wednesday
Night

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

Low: 62 °F

Thursday

Slight Chance Thunderstorms

Slight Chc
Thunderstorms

High: 89 °F

Thursday
Night

Slight Chance Thunderstorms

Slight Chc
Thunderstorms

Low: 58 °F

Friday

Slight Chance Thunderstorms

Slight Chc
Thunderstorms

High: 88 °F

Friday
Night

Slight Chance Thunderstorms

Slight Chc
Thunderstorms

Low: 58 °F

Detailed Forecast

  • Tonight A slight chance of thunderstorms before 11pm. Partly cloudy, with a low around 63. North wind 3 to 8 mph. Chance of precipitation is 20%.
  • Tuesday A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93. Light and variable wind becoming northwest 5 to 9 mph in the afternoon.
  • Tuesday Night A 20 percent chance of showers and thunderstorms before 11pm. Mostly cloudy, with a low around 61. Northwest wind 5 to 10 mph becoming light and variable.
  • Wednesday A 20 percent chance of showers and thunderstorms after 11am. Partly sunny, with a high near 88. Calm wind becoming northwest around 6 mph in the afternoon.
  • Wednesday Night A 20 percent chance of showers and thunderstorms before 11pm. Partly cloudy, with a low around 62. Northwest wind 5 to 8 mph becoming calm in the evening.
  • Thursday A slight chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 89.
  • Thursday Night A slight chance of showers and thunderstorms. Partly cloudy, with a low around 58.
  • Friday A slight chance of showers and thunderstorms. Mostly sunny, with a high near 88.
  • Friday Night A slight chance of showers and thunderstorms. Partly cloudy, with a low around 58.
  • Saturday A slight chance of showers and thunderstorms. Mostly sunny, with a high near 90.
  • Saturday Night A slight chance of showers and thunderstorms. Partly cloudy, with a low around 59.
  • Sunday A slight chance of showers and thunderstorms. Mostly sunny, with a high near 89.
  • Sunday Night A slight chance of showers and thunderstorms. Partly cloudy, with a low around 59.
  • Monday A slight chance of showers and thunderstorms. Mostly sunny, with a high near 86.