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Tri-Cities, WA Weather
Current conditions
Forecast for this hour (no station report in the last two hours)
Forecast
10-day-
Thursday
A slight chance of rain showers between 11am and 2pm. Partly sunny, with a high near 64. West wind 0 to 5 mph. Chance of precipitation is 20%.
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Thursday Night
Mostly cloudy. Low around 43, with temperatures rising to around 45 overnight. Southwest wind 3 to 8 mph.
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Friday
Sunny, with a high near 66. West wind around 8 mph.
National Weather Service forecast updated 1 day ago.
Hourly
Hourly forecast- Now63°12%
- 6 PM61°12%
- 7 PM58°12%
- 8 PM56°11%
- 9 PM52°11%
- 10 PM51°11%
- 11 PM50°11%
- Fri12 AM50°11%
- 1 AM49°11%
- 2 AM48°11%
- 3 AM47°11%
- 4 AM46°11%
- 5 AM45°
- 6 AM45°
- 7 AM44°
- 8 AM43°
- 9 AM46°
- 10 AM51°
- 11 AM55°
- 12 PM58°
- 1 PM61°
- 2 PM63°
- 3 PM65°
- 4 PM66°
10-day forecast
Details- TonightOct 21Mostly Clear41°
- TodayOct 22Slight Chance Rain Showers15%43°64°
- FriOct 23Sunny35°66°
- SatOct 24Patchy Frost then Mostly Sunny10%37°60°
- SunOct 25Slight Chance Rain Showers18%36°60°
- MonOct 26Slight Chance Rain Showers then Mostly Sunny17%35°60°
- TueOct 27Slight Chance Rain Showers15%35°59°
- WedOct 28Slight Chance Rain Showers15%58°
- ThuOct 29Cloudy42°58°
- FriOct 30Cloudy44°58°
Days after the National Weather Service's seven are MET Norway's outlook, a computer model with no forecaster's review.
Radar
Full mapWeather news near Tri-Cities
More weather news-
Mild and Dry Through Wednesday, Showers on ThursdayNonstop Local News Upper-level low off the California coast is pushing in clouds this morning They will give way to afternoon sunshine and mild highs in the upper 60s Tonight, partly cloudy with lows in the mid-upper…
- Fall colors coming soon to Tri-Cities region, ETSU experts say
Johnson City Press Fall colors are reaching their peak in areas across the Southern Appalachians Vibrant oranges and yellows will cascade through lower elevations this weekend and into next week, according to East…
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Returning to more seasonal temperatures Sunday; warmer days ahead next weekLINCOLN, Neb. (KOLN) - A cold start to Saturday morning gave way to a brisk fall afternoon, but warmer weather is on the way for the coming week. High pressure continues to dominate the region, keeping skies clear and…
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Fall color report: Highest peaks fade as color moves downFall color is on the move across the Southern Appalachians. The highest peaks have largely passed peak, but elevations just below them are entering some of their best color of the season, according to East Tennessee…
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First frost of the season arrives this weekendby WCYB (Kit Alexander) Get ready for a rollercoaster ride of temperatures from the record heat this week to frost and near-freezing conditions early Sunday morning. Freeze watches are in effect for some in Southwest…
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Pleasant weekend taking shape as temperatures feel like autumnWNEM SAGINAW, Mich. (WNEM) - A freeze warning is in effect Friday night through 8 a.m. Saturday for the Tri-Cities, along Interstate 69 and along U.S. 127. A frost advisory is in effect until 8 a.m. Saturday for the…
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Mild sunshine and temps in the 70s will carry the Columbia Basin into the weekendNonstop Local News The current ridge is expected to shift eastward over the Rockies in the coming days as a shortwave from the northwest moves into the PNW This will lead to gusty winds up to 40 MPH in the Kittitas…
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Dangerous Frost Warning Issued for 30+ Counties in Washington and Oregon as Temperatures Drop FastNWS Portland has issued Frost Advisories for two straight nights, Thursday night and Friday night, across northwest Oregon and southwest Washington. A Freeze Watch is also in effect Friday night for the Willamette…
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Washington DC weather forecast: Sunny autumn day with highs of 22°C and no rainWashington DC, October 22, 2026. Today, residents can expect a delightful day characterized by plenty of sunshine, with maximum temperatures reaching around 22°C and a comfortable minimum of 9°C. Washington DC, October…
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Enjoy a sunny day in Washington DC with temperatures reaching 21°C and no rain forecastedThe Times of India Today, in Washington DC, residents can expect a day filled with plenty of sunshine The temperature is likely to peak at a comfortable 21°C while dipping to a cooler 6°C at night With no chance of…
Air quality
Acceptable. Unusually sensitive people should consider limiting prolonged outdoor exertion.
Forecast
- ThuModerate
- FriGood
Kennewick, WA reporting area · 1 hr ago. Data from AirNow (EPA and its state, local and tribal partners); preliminary and subject to change.
Sun & moon
Nearby
Forecasters' discussion
From the National Weather Service office in PDT, issued 6 hrs ago
Key Messages
- Return of showers and isolated thunderstorms to the eastern mountains Today
- Breezy to gusty winds developing across the area Tonight into Friday morning, with strongest winds through the Cascade gaps
- Moderate-high confidence (65-80%) in freezing morning temperatures across lower elevation area Saturday
Discussion
An upper trough and a cold front will move across the region later Today and Tonight, with limited weather impacts from winds, rains and convection. A limited convective threat today as CAPEs over the eastern mountains broadly 100-200 J/kg and higher elevated 400 J/kg pose an isolated lightning risk. Initially, the REFs is trending toward an initial warm advection induced swath of showers supported by the REFS mean lighting fields of 0.02-0.05 flashes/ sq KM/5 mins. This feature is focused across the John Day Basin at 8 am, and advecting across Pendleton/Walla Walla toward the Tri-Cities between about 9 and 11 am. The time window for best rain accumulations is between about 3 and 12z Friday (8 pm This evening - 5 am Tomorrow) when 3 hour probability matched means show areas in excess of a quarter inch every 3 hours across the Foothills Blues Mountains eastward into Wallowa county. The HREF 24 hr PMMs are at about 0.75 to 1 inch QPF across these areas and at least widespread wetting rain over the entirely of the eastern mountains.
A wind advisory remains in effect across the Kittitas and Eastern Columbia river Gorge zones for increasing wind This Evening through much of the overnight as the post frontal pressure isallobaric pressure rises cause channeling effects leading to NBMs probabilities for gusts in excess of 40 mph averaging 50 to 80 percent, particularly around The Dalles and Ellensburg.
Lastly, cold temperatures will return on the backside of this exiting weather system Friday night into Saturday morning, bringing potential for growing season ending sub freezing temperatures across the lower elevations of the Kittitas/Yakima valley, Blue Mt foothills and the Columbia Basin.
Aviation
VFR conditions expected through the period. A system passing to the south will bring rain shower impacts to sites RDM/BDN through 00Z, PSC through 02Z, and sites PDT/ALW through 08-09Z tonight. BKN-OVC CIGS are expected to lower after sunset at sites PDT/ALW this evening, but should remain AOA 4kft AGL. A cold front passage will bring breezy conditions to sites DLS/PDT/RDM/BDN/YKM. At site DLS, winds will increase to 15-25kts with gusts up to 40kts after 22Z. Sites RDM/BDN will see winds increase to 12-15kts with gusts to around 20kts between 00Z-13Z. Site YKM winds will increase to 12-15kts with gusts to around 23kts between 03Z-15Z. Short-term model guidance is indicating low level wind shear impacts up to 2kft AGL between 03Z-15Z tonight at site YKM, but confidence is low-moderate(30-40%) in persistent wind shear impacts over the site. Lawhorn/82
Pdt Watches
WA...Wind Advisory from 7 PM this evening to 11 AM PDT Friday for WAZ024-026. OR...Wind Advisory from 7 PM this evening to 11 AM PDT Friday for ORZ041.
Forecasts, observations and alerts in the United States come from the National Weather Service (NOAA); radar from NOAA's Multi-Radar Multi-Sensor system; satellite imagery from NASA's Global Imagery Browse Services (GIBS) and NOAA's GOES satellites; the map from the U.S. Geological Survey's National Map; air quality from AirNow (EPA and its partners); hurricane information from the National Hurricane Center; climate normals and records from NOAA's Regional Climate Centers (ACIS). Forecasts outside the United States and the UV index: MET Norway (CC BY 4.0); observations outside the U.S.: airport reports via NOAA's Aviation Weather Center. Place names: GeoNames (CC BY 4.0). Data are copied on a schedule and may lag the sources; for warnings that affect your safety, follow your local National Weather Service office and emergency officials. Weather news is drawn from the 4Conservative index and reflects what the press published. Terms of use.