Freeze Warning
Ends in 8 h 24 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 1:15 AM PDT at KALW

Umapine, OR weather

Freeze Warning. 43°6° and clear now.

Forecasts agree

Now 43°6°

Clear · Feels like 39°4°

Wind: 7 mph11 km/h; From the east-southeast. Up to 7 mph11 km/h through 1 PM
Dew point: 30°−1°; Dry, static shocks likely
UV index: 0Low; Moderate 12–4 PM · peak 3
Air quality: 27Good; Main pollutant: PM2.5 (fine particles)
Pressure: 30.29 inHg1026 hPa; Steady over the next 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

Good hours for

Below freezing today 4–9 AM (low 29°−2°)
Fog tonight 5–8 AM
Above 40°4° today by 10 AM
High 60°16° today at 4 PM
Below 50°10° tonight after 7 PM

TonightDown to 31°−1° by 4 AM · freezing, low 31°−1° · Clear
This morningUp to 50°10° by 11 AM · freezing, low 29°−2° · Partly cloudy
This afternoonUp to 60°16° by 4 PM · Mostly cloudy
TonightDown to 33°1° by 5 AM · Mostly cloudy
Tomorrow morningUp to 50°10° by 11 AM · freezing, low 32°0° · Mostly cloudy
Tomorrow afternoonUp to 58°14° by 4 PM · Mostly cloudy
Tomorrow nightDown to 41°5° by midnight · Cloudy

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	35°2° (likely 35°2° to 47°8°)	32°0°	0%	3 mph5 km/h from SE, gusts 9 mph15 km/h	93%	0%	0
Sat 2a	Clear	34°1° (likely 34°1° to 46°8°)	34°1°	0%	2 mph3 km/h from SE, gusts 9 mph14 km/h	95%	0%	0
Sat 3a	Clear	33°1° (likely 33°1° to 45°7°)	33°1°	0%	2 mph3 km/h from SE, gusts 8 mph13 km/h	95%	1%	0
Sat 4a	Clear	31°−1° (likely 31°−1° to 44°7°)	31°−1°	0%	2 mph3 km/h from S, gusts 7 mph12 km/h	96%	3%	0
Sat 5a	Fog	31°−1° (likely 31°−1° to 43°6°)	31°−1°	0%	2 mph3 km/h from S, gusts 7 mph11 km/h	99%	45%	0
Sat 6a	Fog	31°−1° (likely 31°−1° to 42°6°)	31°−1°	0%	2 mph3 km/h from S, gusts 7 mph11 km/h	94%	45%	0
Sat 7a	Fog	29°−2° (likely 29°−2° to 41°5°)	29°−2°	0%	2 mph3 km/h from S, gusts 6 mph9 km/h	96%	45%	0
Sat 8a	Partly sunny	31°−1° (likely 31°−1° to 41°5°)	31°−1°	0%	2 mph3 km/h from SE, gusts 7 mph11 km/h	92%	46%	0
Sat 9a	Partly sunny	35°2° (likely 35°2° to 45°7°)	35°2°	0%	2 mph3 km/h from SE, gusts 7 mph11 km/h	86%	48%	1
Sat 10a	Partly sunny	45°7° (likely 45°7° to 52°11°)	45°7°	0%	1 mph2 km/h from N, gusts 5 mph9 km/h	70%	51%	1
Sat 11a	Partly sunny	50°10° (likely 50°10° to 56°13°)	50°10°	0%	1 mph2 km/h from N, gusts 5 mph8 km/h	59%	54%	2
Sat 12p	Mostly sunny	54°12° (likely 54°12° to 57°14°)	54°12°	0%	1 mph2 km/h from N, gusts 5 mph8 km/h	52%	63%	3
Sat 1p	Cloudy	57°14° (likely 57°14° to 58°14°)	57°14°	0%	2 mph3 km/h from N, gusts 6 mph9 km/h	47%	74%	3
Sat 2p	Mostly sunny	59°15° (likely 58°14° to 59°15°)	59°15°	0%	2 mph3 km/h from N, gusts 5 mph8 km/h	44%	67%	3
Sat 3p	Partly sunny	59°15° (likely 59°15° to 59°15°)	59°15°	0%	2 mph3 km/h from N, gusts 4 mph7 km/h	44%	74%	3
Sat 4p	Partly sunny	60°16° (likely 59°15° to 60°16°)	60°16°	0%	2 mph3 km/h from N, gusts 4 mph7 km/h	45%	78%	2
Sat 5p	Partly sunny	57°14° (likely 57°14° to 58°14°)	57°14°	0%	2 mph3 km/h from NW, gusts 4 mph6 km/h	56%	73%	1
Sat 6p	Cloudy	55°13° (likely 52°11° to 56°13°)	55°13°	0%	2 mph3 km/h from W, gusts 3 mph4 km/h	61%	78%	0
Sat 7p	Cloudy	49°9° (likely 49°9° to 53°12°)	49°9°	0%	2 mph3 km/h from SW, gusts 4 mph6 km/h	73%	71%	0
Sat 8p	Cloudy	45°7° (likely 45°7° to 51°11°)	45°7°	0%	2 mph3 km/h from SW, gusts 4 mph6 km/h	72%	70%	0
Sat 9p	Cloudy	44°7° (likely 44°7° to 49°9°)	44°7°	0%	2 mph3 km/h from SW, gusts 3 mph5 km/h	73%	79%	0
Sat 10p	Cloudy	42°6° (likely 42°6° to 47°8°)	42°6°	0%	2 mph3 km/h from SW, gusts 4 mph7 km/h	73%	79%	0
Sat 11p	Cloudy	41°5° (likely 41°5° to 46°8°)	41°5°	0%	1 mph2 km/h from SW, gusts 4 mph6 km/h	76%	79%	0
Sun 12a	Cloudy	39°4° (likely 39°4° to 45°7°)	39°4°	0%	1 mph2 km/h from SW, gusts 4 mph6 km/h	77%	77%	0
Sun 1a	Cloudy	38°3° (likely 38°3° to 45°7°)	38°3°	0%	1 mph2 km/h from SW, gusts 4 mph6 km/h	80%	78%	0
Sun 2a	Cloudy	37°3° (likely 37°3° to 44°7°)	37°3°	0%	1 mph2 km/h from SW, gusts 4 mph6 km/h	81%	81%	0
Sun 3a	Cloudy	36°2° (likely 36°2° to 44°7°)	36°2°	0%	1 mph2 km/h from SW, gusts 5 mph7 km/h	82%	81%	0
Sun 4a	Cloudy	34°1° (likely 34°1° to 44°7°)	34°1°	0%	0 mph0 km/h, gusts 4 mph7 km/h	84%	80%	0
Sun 5a	Cloudy	33°1° (likely 33°1° to 43°6°)	33°1°	0%	1 mph2 km/h from S, gusts 5 mph8 km/h	88%	79%	0
Sun 6a	Cloudy	33°1° (likely 33°1° to 42°6°)	33°1°	0%	1 mph2 km/h from S, gusts 4 mph7 km/h	86%	73%	0
Sun 7a	Cloudy	32°0° (likely 32°0° to 41°5°)	32°0°	0%	1 mph2 km/h from S, gusts 4 mph7 km/h	90%	73%	0
Sun 8a	Partly sunny	33°1° (likely 33°1° to 41°5°)	33°1°	0%	1 mph2 km/h from W, gusts 5 mph8 km/h	91%	55%	0
Sun 9a	Partly sunny	38°3° (likely 38°3° to 45°7°)	38°3°	0%	1 mph2 km/h from W, gusts 4 mph7 km/h	86%	58%	1
Sun 10a	Cloudy	46°8° (likely 45°7° to 49°9°)	46°8°	0%	1 mph2 km/h from W, gusts 6 mph9 km/h	75%	66%	1
Sun 11a	Cloudy	50°10° (likely 47°8° to 53°12°)	50°10°	0%	3 mph5 km/h from NW, gusts 5 mph9 km/h	66%	58%	2
Sun 12p	Mostly cloudy	53°12° (likely 50°10° to 56°13°)	53°12°	0%	3 mph5 km/h from NW, gusts 5 mph8 km/h	61%	63%	2
Sun 1p	Cloudy	56°13° (likely 53°12° to 58°14°)	56°13°	0%	3 mph5 km/h from NW, gusts 5 mph8 km/h	57%	74%	3
Sun 2p	Cloudy	57°14° (likely 56°13° to 59°15°)	57°14°	0%	3 mph5 km/h from NW, gusts 5 mph8 km/h	54%	73%	3
Sun 3p	Cloudy	57°14° (likely 57°14° to 60°16°)	57°14°	0%	3 mph5 km/h from NW, gusts 5 mph8 km/h	54%	77%	2
Sun 4p	Cloudy	58°14° (likely 56°13° to 59°15°)	58°14°	0%	3 mph5 km/h from NW, gusts 5 mph8 km/h	56%	83%	1
Sun 5p	Cloudy	55°13° (likely 55°13° to 57°14°)	55°13°	5%	2 mph3 km/h from NW, gusts 4 mph7 km/h	64%	91%	1
Sun 6p	Cloudy	53°12° (likely 51°11° to 54°12°)	53°12°	5%	2 mph3 km/h from NW, gusts 3 mph5 km/h	69%	94%	0
Sun 7p	Cloudy	49°9° (likely 48°9° to 51°11°)	49°9°	5%	2 mph3 km/h from NW, gusts 3 mph5 km/h	75%	94%	0
Sun 8p	Cloudy	45°7° (likely 45°7° to 50°10°)	45°7°	5%	2 mph3 km/h from S, gusts 5 mph8 km/h	80%	88%	0
Sun 9p	Cloudy	43°6° (likely 43°6° to 50°10°)	43°6°	5%	2 mph3 km/h from S, gusts 4 mph7 km/h	82%	88%	0
Sun 10p	Cloudy	42°6° (likely 42°6° to 51°11°)	42°6°	5%	2 mph3 km/h from S, gusts 4 mph7 km/h	82%	88%	0
Sun 11p	Cloudy	42°6° (likely 41°5° to 52°11°)	42°6°	10%	0 mph0 km/h, gusts 5 mph8 km/h	83%	90%	0
Mon 12a	Cloudy	41°5° (likely 37°3° to 52°11°)	41°5°	10%	0 mph0 km/h, gusts 4 mph7 km/h	86%	96%	0

Days ahead

Shaded: typical range for these dates (1991–2020)

Today, Oct 24. Cloudy. High 60°16°, low 29°−2°. Typical 59°15° / 41°5°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Partly sunny, 31°−1°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 60°16°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 45°7°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 33°1°
  Dry
Official NWS forecast
Today: Widespread frost and patchy fog before 11am. Mostly sunny. High near 60, with temperatures falling to around 57 in the afternoon. East wind around 2 mph.
Tonight: Patchy frost before 2am, then widespread frost and patchy fog. Mostly clear. Low around 29, with temperatures rising to around 31 overnight. South wind around 3 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
59°15°–60°16°
Low, likely
29°−2°–41°5°
Typical high / low
59°15° / 41°5°
Wind
12 mph19 km/h
UV peak
3
Tomorrow, Oct 25. Fog. High 59°15°, low 33°1°. Typical 59°15° / 41°5°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Partly sunny, 33°1°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 58°14°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 45°7°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 41°5°
  Dry
Official NWS forecast
Day: Widespread frost before 8am, then widespread frost and patchy fog between 8am and 11am. Mostly cloudy, with a high near 59. West wind around 3 mph.
Night: Patchy fog between 11pm and 2am, then areas of frost and patchy fog. Mostly cloudy, with a low around 33. Southwest wind around 2 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
57°14°–60°16°
Low, likely
33°1°–41°5°
Typical high / low
59°15° / 41°5°
Wind
8 mph12 km/h, gusts 16 mph26 km/h
UV peak
3
Monday, Oct 26. Showers. High 58°14°, low 35°2°. Typical 58°14° / 40°4°. Rain 0.04 in1 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 43°6°
  Dry
2. Afternoon
  noon–6 PM
  Drizzle, 57°14°
  30% chance · 0.01 in0.3 mm
3. Evening
  6 PM–midnight
  Cloudy, 48°9°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 49°10°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Patchy fog before 11am, then a chance of rain showers. Partly sunny, with a high near 58. Chance of precipitation is 30%.
Night: A slight chance of rain showers. Mostly cloudy, with a low around 35. Chance of precipitation is 20%.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
54°12°–61°16°
Low, likely
34°1°–48°9°
Typical high / low
58°14° / 40°4°
Wind
10 mph16 km/h, gusts 15 mph25 km/h
UV peak
3
Tuesday, Oct 27. Mostly cloudy. High 60°16°, low 33°1°. Typical 58°14° / 40°4°. Dry. Mostly agree. Best day outdoors this week.
1. Morning
  6 AM–noon
  Cloudy, 50°10°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 60°16°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 52°11°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 50°10°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of rain showers before 11am. Partly sunny, with a high near 60. Chance of precipitation is 20%.
Night: A slight chance of rain showers after 5am. Mostly cloudy, with a low around 33.
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
33°1°–51°11°
Typical high / low
58°14° / 40°4°
Wind
16 mph26 km/h, gusts 32 mph51 km/h
UV peak
2
Wednesday, Oct 28. Showers. High 58°14°, low 31°−1°. Typical 57°14° / 40°4°. Rain 0.04 in1 mm, 20% chance. Mostly agree.
1. Morning
  6 AM–noon
  Partly sunny, 50°10°
  20% chance · 0.03 in0.8 mm
2. Afternoon
  noon–6 PM
  Drizzle, 59°15°
  20% chance
3. Evening
  6 PM–midnight
  Clear, 49°9°
  20% chance
4. Overnight
  midnight–6 AM
  Cloudy, 43°6°
  30% chance
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of rain showers. Partly sunny, with a high near 58.
Night: A chance of rain showers. Mostly cloudy, with a low around 31.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
56°13°–62°17°
Low, likely
31°−1°–48°9°
Typical high / low
57°14° / 40°4°
Wind
13 mph21 km/h, gusts 26 mph42 km/h
UV peak
3
Thursday, Oct 29. Showers. High 53°12°, low 28°−2°. Typical 57°14° / 40°4°. Rain 0.04 in1 mm, 20% chance. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 42°5°
  Dry
2. Afternoon
  noon–6 PM
  Drizzle, 57°14°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 47°8°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 40°4°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of rain showers. Partly sunny, with a high near 53.
Night: A slight chance of rain showers before 11pm. Partly cloudy, with a low around 28.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
53°12°–58°14°
Low, likely
28°−2°–45°7°
Typical high / low
57°14° / 40°4°
Wind
12 mph19 km/h
UV peak
3
Friday, Oct 30. Partly sunny. High 53°12°, low 38°3°. Typical 56°13° / 39°4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 41°5°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 54°12°
  Dry
3. Evening
  6 PM–midnight
  Clear, 45°7°
  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.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
50°10°–55°13°
Low, likely
33°1°–43°6°
Typical high / low
56°13° / 39°4°
Wind
7 mph11 km/h, gusts 17 mph27 km/h
UV peak
3
Saturday, Oct 31. Cloudy. High 51°11°, low 35°2°. Typical 56°13° / 39°4°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 39°4°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 52°11°
  Dry
3. Evening
  6 PM–midnight
  Clear, 41°5°
  Dry
4. Overnight
  midnight–6 AM
  Mostly clear, 35°1°
  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°–57°14°
Low, likely
31°−1°–42°6°
Typical high / low
56°13° / 39°4°
Wind
7 mph11 km/h
UV peak
3
Sunday, Nov 1. Sunny. High 54°12°, low 34°1°. Typical 55°13° / 39°4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 37°3°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 55°13°
  Dry
3. Evening
  6 PM–midnight
  Clear, 47°8°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 39°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
50°10°–56°13°
Low, likely
30°−1°–38°3°
Typical high / low
55°13° / 39°4°
Wind
8 mph13 km/h, gusts 19 mph30 km/h
UV peak
3
Monday, Nov 2. Sunny. High 51°11°, low 36°2°. Typical 55°13° / 39°4°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 41°5°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 53°12°
  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.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
50°10°–51°11°
Low, likely
35°2°–39°4°
Typical high / low
55°13° / 39°4°
Wind
6 mph9 km/h, gusts 15 mph25 km/h
UV peak
3

10 days15 days30 days

The outlook

Today
Dry, high 60°, low 29°.
Tomorrow
Dry, high 59°, low 33°.
Monday
Dry, high 58°, low 35°.
Rest of week
Mostly dry, highs 51–60°.

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

Walla Walla River near Touchet

12 mi

Below flood stage

Level: 2.9 ft
Flow: 74 cfs

Forecast peak 2.8 ft Wed 5 AM

Reading from Fri 11:30 PM · NWS gauge page

Umatilla River near Gibbon

20 mi

Below flood stage

Level: 2.8 ft
Flow: 56 cfs

Forecast peak 2.8 ft Tue 5 PM

Reading from Fri 11:15 PM · NWS gauge page

Touchet River at Cummings Road

9.7 mi

Level: 1.6 ft

Reading from Fri 11:30 PM · NWS gauge page

Mill Creek (WA) at Walla Walla

13 mi

Level: 1.9 ft
Flow: 22 cfs

Reading from Sat 12 AM · NWS gauge page

For your home

What this week’s weather means for heating, cooling, pipes and fresh air.

Heating this week

About 64% less heating than a typical week.

This week 41Typical 113

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F: 29
h below 17°F: 0
h below 5°F: 0

47, 17 and 5°F are the test points heat pumps are rated at. About 20 hours are near freezing and damp, when outdoor units defrost more often.

Comfort

Dry air outside (dew point 30°F).

Open the windows?

No stretch in the next few days is comfortable enough outside, by temperature, dew point and air quality.

Is this typical?

Walla Walla Regional Airport · official normals 1991–2020 · records 1949–2026

Oct 24, today vs a typical year

Today’s expected high is about typical for the date.

Last 7 days vs normal

On average 0° colder than normal (daily mean temperature).

−1°SunOct 18
+1°MonOct 19
±0°TueOct 20
+3°+1°WedOct 21
−3°−2°ThuOct 22
—FriOct 23
—SatOct 24

Umapine weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Daylight: 10 h 29 min; Losing 2 min 58 s a day; shortest Dec 21, 1 h 50 min less
Golden hour: 5:10–6:10 PM; Morning 7:04–8:05 AM
Blue hour: 6:10–6:22 PM; Morning 6:52–7:04 AM; first light 6:52 AM

Stars tonight? Fair

Mostly clear 1:36–5 AM, but the moon is 96% lit and up.

Moon

Waxing gibbous

96% lit · growing

Today: sets 5:39 AM · rises 4:53 PM
Full moon: Oct 25
New moon: Nov 8

Looking east from Umapine. The highest point on the skyline is about 6,200 ft, 29 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