Freeze Warning
Ends in 8 h 22 min
When
From 11 PM this evening to 10 AM PDT Saturday.
Where
Eastern Columbia River Gorge of Oregon and Washington, Lower Columbia Basin of Oregon and Washington, Foothills of the Northern Blue Mountains of Oregon, Yakima Valley, and Foothills of the Blue Mountains of Washington.
Issued for this forecast zone · National Weather Service Pendleton OR
What, impacts and precautionsHide details
What
Sub-freezing temperatures of 25 to 32 expected.
Impacts
Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.
Precautionary actions
Take steps now to protect tender plants from the cold.
Areas: Eastern Columbia River Gorge of Oregon; Lower Columbia Basin of Oregon; Foothills of the Northern Blue Mountains of Oregon; Eastern Columbia River Gorge of Washington; Yakima Valley; Lower Columbia Basin of Washington; Foothills of the Blue Mountains of Washington
See it on weather.gov (opens in a new tab)

Observed 1:20 AM PDT at KYKM

White Swan, WA weather

Freeze Warning. 36°2° and clear now.

Mostly agree

Now 36°2°

Clear · Feels like 28°−2°

Feels like: 28°−2°; Wind chill from 10 mph17 km/h wind · air 36°2°
Wind: 10 mph17 km/h; From the west. Up to 10 mph17 km/h through 1 PM
Dew point: 27°−3°; Dry, static shocks likely
UV index: 0Low; Moderate 12–3 PM · peak 3
Air quality: 27Good; Main pollutant: PM2.5 (fine particles)
Pressure: 30.29 inHg1026 hPa; Falling slowly · −0.02 inHg−0.6 hPa next 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

13°7° cooler than this time yesterday (53°12° then, 40°4° now)

Good hours for

Low 33°1° today at 7 AM
Above 40°4° today by 10 AM
High 57°14° today at 4 PM
Below 50°10° tonight after 8 PM

TonightDown to 35°2° by 4 AM · Clear
This morningUp to 48°9° by 11 AM · Mostly cloudy
This afternoonUp to 57°14° by 4 PM · Mostly cloudy
TonightDown to 38°3° by 4 AM · Mostly cloudy
Tomorrow morningUp to 49°9° by 11 AM · Mostly cloudy
Tomorrow afternoonUp to 56°13° by 4 PM · rain chance 20% · Mostly cloudy
Tomorrow nightDown to 44°7° by midnight · Mostly cloudy · rain chance 30%

Hourly forecast, next 48 hours, in the place's local time
Hour	Conditions	Temperature	Feels like	Precipitation	Wind	Humidity	Cloud cover	UV index
Sat 1a	Clear	39°4° (likely 39°4° to 43°6°)	39°4°	0%	2 mph3 km/h from W, gusts 5 mph8 km/h	67%	3%	0
Sat 2a	Clear	39°4° (likely 38°3° to 42°6°)	39°4°	0%	1 mph2 km/h from W, gusts 4 mph6 km/h	64%	5%	0
Sat 3a	Clear	37°3° (likely 37°3° to 42°6°)	37°3°	0%	1 mph2 km/h from W, gusts 4 mph6 km/h	68%	10%	0
Sat 4a	Partly cloudy	35°2° (likely 35°2° to 42°6°)	35°2°	0%	1 mph2 km/h from W, gusts 4 mph6 km/h	72%	34%	0
Sat 5a	Partly cloudy	35°2° (likely 35°2° to 42°6°)	35°2°	0%	1 mph2 km/h from W, gusts 3 mph5 km/h	71%	47%	0
Sat 6a	Partly cloudy	34°1° (likely 34°1° to 42°6°)	34°1°	0%	1 mph2 km/h from W, gusts 4 mph6 km/h	74%	52%	0
Sat 7a	Cloudy	33°1° (likely 33°1° to 41°5°)	33°1°	0%	1 mph2 km/h from NW, gusts 3 mph4 km/h	76%	56%	0
Sat 8a	Cloudy	34°1° (likely 34°1° to 40°4°)	34°1°	0%	1 mph2 km/h from NE, gusts 3 mph4 km/h	75%	60%	0
Sat 9a	Partly sunny	38°3° (likely 35°2° to 42°6°)	38°3°	0%	1 mph2 km/h from N, gusts 2 mph3 km/h	67%	68%	0
Sat 10a	Partly sunny	44°7° (likely 42°6° to 45°7°)	44°7°	0%	2 mph3 km/h from E, gusts 3 mph4 km/h	57%	72%	1
Sat 11a	Cloudy	48°9° (likely 46°8° to 48°9°)	47°8°	0%	3 mph5 km/h from E, gusts 4 mph6 km/h	51%	69%	2
Sat 12p	Partly sunny	50°10° (likely 49°9° to 51°11°)	49°9°	0%	3 mph5 km/h from E, gusts 5 mph8 km/h	48%	65%	3
Sat 1p	Cloudy	54°12° (likely 51°11° to 54°12°)	54°12°	0%	5 mph8 km/h from E, gusts 5 mph8 km/h	44%	79%	3
Sat 2p	Cloudy	55°13° (likely 52°11° to 56°13°)	55°13°	0%	5 mph8 km/h from E, gusts 5 mph9 km/h	42%	84%	3
Sat 3p	Cloudy	56°13° (likely 53°12° to 58°14°)	56°13°	0%	5 mph8 km/h from E, gusts 6 mph9 km/h	41%	82%	2
Sat 4p	Cloudy	57°14° (likely 53°12° to 59°15°)	57°14°	0%	3 mph5 km/h from E, gusts 5 mph8 km/h	40%	84%	2
Sat 5p	Cloudy	55°13° (likely 53°12° to 57°14°)	55°13°	0%	2 mph3 km/h from E, gusts 3 mph5 km/h	44%	83%	1
Sat 6p	Cloudy	54°12° (likely 51°11° to 54°12°)	54°12°	0%	2 mph3 km/h from NE, gusts 5 mph8 km/h	48%	83%	0
Sat 7p	Cloudy	50°10° (likely 47°8° to 50°10°)	50°10°	0%	1 mph2 km/h from NW, gusts 5 mph8 km/h	57%	85%	0
Sat 8p	Cloudy	46°8° (likely 46°8° to 48°9°)	46°8°	0%	1 mph2 km/h from N, gusts 5 mph7 km/h	61%	81%	0
Sat 9p	Cloudy	45°7° (likely 45°7° to 47°8°)	45°7°	0%	1 mph2 km/h from N, gusts 4 mph6 km/h	60%	80%	0
Sat 10p	Cloudy	44°7° (likely 44°7° to 46°8°)	44°7°	0%	0 mph0 km/h, gusts 4 mph7 km/h	60%	80%	0
Sat 11p	Cloudy	43°6° (likely 43°6° to 46°8°)	43°6°	0%	0 mph0 km/h, gusts 4 mph7 km/h	62%	78%	0
Sun 12a	Cloudy	41°5° (likely 41°5° to 45°7°)	41°5°	0%	0 mph0 km/h, gusts 4 mph6 km/h	66%	80%	0
Sun 1a	Cloudy	41°5° (likely 41°5° to 45°7°)	41°5°	0%	0 mph0 km/h, gusts 4 mph6 km/h	65%	80%	0
Sun 2a	Cloudy	41°5° (likely 41°5° to 45°7°)	41°5°	0%	0 mph0 km/h, gusts 4 mph6 km/h	64%	80%	0
Sun 3a	Cloudy	39°4° (likely 39°4° to 45°7°)	39°4°	0%	1 mph2 km/h from W, gusts 4 mph6 km/h	68%	78%	0
Sun 4a	Cloudy	38°3° (likely 38°3° to 44°7°)	38°3°	0%	1 mph2 km/h from W, gusts 4 mph6 km/h	72%	77%	0
Sun 5a	Cloudy	38°3° (likely 38°3° to 44°7°)	38°3°	5%	1 mph2 km/h from W, gusts 4 mph6 km/h	72%	76%	0
Sun 6a	Cloudy	37°3° (likely 37°3° to 44°7°)	37°3°	5%	1 mph2 km/h from W, gusts 4 mph6 km/h	75%	77%	0
Sun 7a	Cloudy	36°2° (likely 36°2° to 44°7°)	36°2°	5%	1 mph2 km/h from W, gusts 4 mph7 km/h	77%	79%	0
Sun 8a	Cloudy	37°3° (likely 37°3° to 44°7°)	37°3°	0%	2 mph3 km/h from N, gusts 4 mph6 km/h	76%	80%	0
Sun 9a	Cloudy	40°4° (likely 40°4° to 45°7°)	40°4°	0%	2 mph3 km/h from N, gusts 4 mph7 km/h	71%	79%	0
Sun 10a	Cloudy	45°7° (likely 45°7° to 50°10°)	45°7°	0%	2 mph3 km/h from N, gusts 3 mph4 km/h	61%	77%	1
Sun 11a	Cloudy	49°9° (likely 49°9° to 54°12°)	49°9°	0%	2 mph3 km/h from E, gusts 3 mph5 km/h	55%	78%	2
Sun 12p	Mostly cloudy	50°10° (likely 50°10° to 57°14°)	50°10°	0%	2 mph3 km/h from E, gusts 4 mph7 km/h	52%	69%	2
Sun 1p	Cloudy	53°12° (likely 53°12° to 59°15°)	53°12°	0%	2 mph3 km/h from E, gusts 4 mph7 km/h	50%	69%	3
Sun 2p	Cloudy	54°12° (likely 54°12° to 60°16°)	54°12°	0%	3 mph5 km/h from NE, gusts 5 mph7 km/h	47%	77%	3
Sun 3p	Cloudy	55°13° (likely 54°12° to 60°16°)	55°13°	0%	3 mph5 km/h from NE, gusts 4 mph7 km/h	46%	79%	2
Sun 4p	Cloudy	56°13° (likely 54°12° to 60°16°)	56°13°	0%	3 mph5 km/h from NE, gusts 3 mph5 km/h	47%	87%	1
Sun 5p	Cloudy	54°12° (likely 53°12° to 58°14°)	54°12°	20%	2 mph3 km/h from N, gusts 3 mph4 km/h	51%	89%	1
Sun 6p	Cloudy	53°12° (likely 51°11° to 55°13°)	53°12°	20%	2 mph3 km/h from N, gusts 4 mph6 km/h	52%	90%	0
Sun 7p	Cloudy	50°10° (likely 49°9° to 53°12°)	50°10°	20%	2 mph3 km/h from N, gusts 6 mph9 km/h	57%	98%	0
Sun 8p	Showers	47°8° (likely 47°8° to 51°11°)	46°8°	20%	3 mph5 km/h from NW, gusts 7 mph12 km/h	63%	89%	0
Sun 9p	Showers	46°8° (likely 46°8° to 51°11°)	45°7°	20%	3 mph5 km/h from NW, gusts 8 mph12 km/h	65%	59%	0
Sun 10p	Showers	45°7° (likely 45°7° to 50°10°)	44°7°	20%	3 mph5 km/h from NW, gusts 7 mph12 km/h	66%	56%	0
Sun 11p	Showers	45°7° (likely 45°7° to 50°10°)	45°7°	30%	2 mph3 km/h from W, gusts 7 mph11 km/h	66%	56%	0
Mon 12a	Showers	44°7° (likely 44°7° to 51°11°)	44°7°	30%	2 mph3 km/h from W, gusts 5 mph9 km/h	67%	81%	0

Days ahead

Tap a day for its hours and the official wording.

Today, Oct 24. Cloudy. High 57°14°, low 33°1°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Partly sunny, 34°1°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 57°14°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 46°8°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 38°3°
  Dry
Official NWS forecast
Today: Widespread frost before 11am. Partly sunny. High near 57, with temperatures falling to around 55 in the afternoon. North wind 1 to 5 mph.
Tonight: Widespread frost after 2am. Partly cloudy. Low around 33, with temperatures rising to around 35 overnight. West wind around 2 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
53°12°–59°15°
Low, likely
33°1°–40°4°
Wind
6 mph10 km/h
UV peak
3
Tomorrow, Oct 25. Cloudy. High 56°13°, low 38°3°. Rain 0.01 in0.3 mm, 20% chance. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 37°3°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 56°13°
  20% chance
3. Evening
  6 PM–midnight
  Showers, 47°8°
  30% chance
4. Overnight
  midnight–6 AM
  Showers, 44°7°
  30% chance
Official NWS forecast
Day: Patchy frost between 8am and 11am, then a slight chance of rain showers. Cloudy, with a high near 56. North wind around 3 mph. Chance of precipitation is 20%.
Night: A chance of rain showers. Mostly cloudy, with a low around 38. Northwest wind around 3 mph. Chance of precipitation is 30%.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
54°12°–60°16°
Low, likely
38°3°–43°6°
Wind
8 mph13 km/h
UV peak
3
Monday, Oct 26. Cloudy. High 58°14°, low 37°3°. Rain 0.02 in0.5 mm, 30% chance. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 46°8°
  20% chance · 0.01 in0.3 mm
2. Afternoon
  noon–6 PM
  Cloudy, 58°15°
  Dry
3. Evening
  6 PM–midnight
  Mostly clear, 48°9°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 43°6°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of rain showers before 5pm. Partly sunny, with a high near 58. Chance of precipitation is 30%.
Night: Partly cloudy, with a low around 37.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
56°13°–61°16°
Low, likely
37°3°–47°8°
Wind
13 mph21 km/h
UV peak
3
Tuesday, Oct 27. Partly sunny. High 60°16°, low 36°2°. Dry. Mostly agree. Best day outdoors this week.
1. Morning
  6 AM–noon
  Sunny, 45°7°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 59°15°
  Dry
3. Evening
  6 PM–midnight
  Clear, 49°9°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 43°6°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 60.
Night: A slight chance of rain showers after 5am. Partly cloudy, with a low around 36.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Best day outdoors this week: the one dry, mild day the forecasts agree on (high 60°16°).
High, likely
58°14°–61°16°
Low, likely
36°2°–45°7°
Wind
19 mph30 km/h, gusts 31 mph50 km/h
UV peak
3
Wednesday, Oct 28. Showers. High 56°13°, low 34°1°. Rain 0.01 in0.3 mm, 30% chance. Mostly agree.
1. Morning
  6 AM–noon
  Mostly sunny, 43°6°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 55°13°
  Dry
3. Evening
  6 PM–midnight
  Clear, 46°8°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 37°3°
  20% chance
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of rain showers. Partly sunny, with a high near 56.
Night: A chance of rain showers. Mostly cloudy, with a low around 34.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
53°12°–56°13°
Low, likely
34°1°–43°6°
Wind
17 mph27 km/h, gusts 33 mph53 km/h
UV peak
3
Thursday, Oct 29. Showers. High 52°11°, low 32°0°. Rain 0.03 in0.8 mm, 30% chance. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 38°3°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 50°10°
  Dry
3. Evening
  6 PM–midnight
  Clear, 43°6°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 38°3°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of rain showers. Partly sunny, with a high near 52.
Night: A slight chance of rain showers before 5am. Partly cloudy, with a low around 32.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
49°9°–53°12°
Low, likely
32°0°–38°3°
Wind
15 mph24 km/h, gusts 20 mph32 km/h
UV peak
2
Friday, Oct 30. Partly sunny. High 53°12°, low 36°2°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 38°3°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 50°10°
  Dry
3. Evening
  6 PM–midnight
  Mostly clear, 43°6°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 38°3°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 53.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
48°9°–53°12°
Low, likely
33°1°–39°4°
Wind
10 mph17 km/h
UV peak
2
Saturday, Oct 31. Partly sunny. High 51°11°, low 34°1°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 36°2°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 51°11°
  Dry
3. Evening
  6 PM–midnight
  Clear, 41°5°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 37°3°
  Dry
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
48°9°–55°13°
Low, likely
31°−1°–38°3°
Wind
9 mph15 km/h
UV peak
3
Sunday, Nov 1. Cloudy. High 51°11°, low 35°2°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Mostly sunny, 38°3°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 51°11°
  Dry
3. Evening
  6 PM–midnight
  Clear, 44°7°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 40°4°
  Dry
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
49°9°–53°12°
Low, likely
32°0°–37°3°
Wind
8 mph12 km/h
UV peak
3
Monday, Nov 2. Mostly sunny. High 50°10°, low 37°3°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 42°6°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 52°11°
  Dry
3. Evening
  6 PM–midnight
  Clear, 44°7°
  Dry
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
49°9°–53°12°
Low, likely
36°2°–40°4°
Wind
7 mph11 km/h
UV peak
3

10 days15 days30 days

The outlook

Today
Dry, high 57°, low 33°.
Tomorrow
Dry, high 56°, low 38°.
Monday
Dry, high 58°, low 37°.
Rest of week
Mostly dry, highs 50–60°.

Want the meteorologists’ reasoning? Read the NWS forecast discussion (PDT) (opens in a new tab)

What changed since yesterday

No meaningful changes from yesterday’s forecast.

Radar

Radar data: NOAA MRMS, rendered by forecast.blue

Radar loads when scrolled into view

Full-screen radar

Rivers

NOAA river gauges within 25 mi

Yakima River near Parker

16 mi

Below flood stage

Level: 2.1 ft
Flow: 1,260 cfs

Forecast peak 2.1 ft Thu 11 AM

Reading from Fri 10 PM · NWS gauge page

Toppenish Creek near Fort Simcoe

5.1 mi

Level: 3.5 ft
Flow: 15 cfs

Reading from Fri 11:45 PM · NWS gauge page

Ahtanum Creek at Union Gap

17 mi

Level: 2.8 ft
Flow: 14 cfs

Reading from Fri 11:30 PM · NWS gauge page

Toppenish Creek above Toppenish Creek

18 mi

Level: 1.2 ft
Flow: 27 cfs

Reading from Fri 11:15 PM · NWS gauge page

Sun & moon

Sun

Daylight: 10 h 27 min; Losing 3 min 3 s a day; shortest Dec 21, 1 h 52 min less
Golden hour: 5:18–6:19 PM; Morning 7:14–8:15 AM
Blue hour: 6:19–6:31 PM; Morning 7:02–7:14 AM; first light 7:02 AM

Stars tonight? Fair

Mostly clear 1:38–4 AM, but the moon is 96% lit and up.

Moon

Waxing gibbous

96% lit · growing

Today: sets 5:49 AM · rises 5:01 PM
Full moon: Oct 25
New moon: Nov 8

Looking west from White Swan. The highest point on the skyline is about 12,200 ft, 38 mi away.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.

1 active weather alert

Freeze Warning