Strong Atmospheric River Bringing Heavy Rain to the Pacific Northwest; Areas of Snow in the North-Central and Eastern U.S.

A strong atmospheric river will bring prolonged heavy rainfall along with gusty winds to the Pacific Northwest through much of this week. The heavy rainfall may lead to widespread urban and river flooding. Accumulating snow is expected over parts of the central Appalachians and Mid-Atlantic today as well as the Upper Midwest and the Upper Great Lakes this evening into Tuesday. Read More >

Current conditions at

Yakima Air Terminal - McAllister Field (KYKM)

Lat: 46.56402°NLon: 120.53484°WElev: 1043.0ft.

Partly Cloudy

50°F

10°C

Humidity 76%
Wind Speed N 0 MPH
Barometer 29.9 in (1012.53 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 08 Dec 02:35 PM PST
Extended Forecast for

Union Gap WA

Flood Watch until December 12, 07:00am
Wind Advisory December 8, 07:00pm until December 9, 07:00am
Click here for hazard details and duration
Flood Watch
Wind Advisory
  •  
    Flood Watch until December 12, 07:00am

    NOW until 7:00am Fri

    Flood Watch

  • This Afternoon

    High: 56 °F

    Rain Likely

  • Tonight

    Tonight: Rain likely.  Mostly cloudy, with a low around 42. South wind 10 to 14 mph becoming west after midnight. Winds could gust as high as 26 mph.  Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 42 °F

    Rain Likely

  • Tuesday

    Tuesday: Rain, mainly after 1pm.  High near 52. West wind 5 to 7 mph becoming southeast in the afternoon.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 52 °F

    Chance Rain
    then Rain

  • Tuesday Night

    Tuesday Night: Rain.  Low around 40. Calm wind becoming west around 5 mph after midnight.  Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 40 °F

    Rain

  • Wednesday

    Wednesday: Rain likely, mainly before 10am.  Partly sunny, with a high near 62. Southwest wind 7 to 9 mph, with gusts as high as 18 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 62 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: Rain likely, mainly between 10pm and 4am.  Mostly cloudy, with a low around 46. Chance of precipitation is 60%.

    Low: 46 °F

    Rain Likely

  • Thursday

    Thursday: A 40 percent chance of rain before 10am.  Mostly cloudy, with a high near 60.

    High: 60 °F

    Chance Rain
    then Mostly
    Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 40.

    Low: 40 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Rain likely. Cloudy, with a high near 56. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Rain likely. Mostly cloudy, with a low around 42. South wind 10 to 14 mph becoming west after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Rain, mainly after 1pm. High near 52. West wind 5 to 7 mph becoming southeast in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
Rain. Low around 40. Calm wind becoming west around 5 mph after midnight. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Rain likely, mainly before 10am. Partly sunny, with a high near 62. Southwest wind 7 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Rain likely, mainly between 10pm and 4am. Mostly cloudy, with a low around 46. Chance of precipitation is 60%.
Thursday
A 40 percent chance of rain before 10am. Mostly cloudy, with a high near 60.
Thursday Night
Mostly cloudy, with a low around 40.
Friday
Partly sunny, with a high near 58.
Friday Night
Mostly cloudy, with a low around 38.
Saturday
A slight chance of rain. Partly sunny, with a high near 55.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 38.
Sunday
A slight chance of rain. Partly sunny, with a high near 54.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Union Gap WA
 46.54°N 120.47°W (Elev. 997 ft)
2:42 pm PST Dec 8, 2025
2pm PST Dec 8, 2025-6pm PST Dec 14, 2025
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database