Freeze Warning
Ends in 9 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 12:15 AM PDT at K1S5

Grandview, WA weather

Freeze Warning. 34°1° and clear now.

Mostly agree

Now 34°1°

Clear

Wind: Calm; Light through 12 PM
Dew point: 31°0°; Dry, static shocks likely
Humidity: 90%; Air 34°1°, dew point 31°0° · frost likely
UV index: 0Low; Moderate 12–3 PM · peak 3
Air quality: 42Good; Main pollutant: PM2.5 (fine particles)
Pressure: 30.28 inHg1025 hPa; Steady over the next 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

8°5° cooler than this time yesterday (45°7° then, 37°3° now)

Good hours for

Below freezing today 4–9 AM (low 29°−2°)
Fog today 4–9 AM
Fog today 10–11 AM
Above 40°4° today by 10 AM
Below 50°10° tonight after 7 PM

TonightDown to 31°−1° by 4 AM · freezing, low 31°−1° · Clear
This morningUp to 46°8° by 11 AM · Partly cloudy · freezing, low 29°−2°
This afternoonUp to 58°14° by 4 PM · Mostly cloudy
TonightDown to 33°1° by 4 AM · Mostly cloudy
Tomorrow morningUp to 47°8° by 11 AM · freezing, low 31°−1° · Mostly cloudy
Tomorrow afternoonUp to 57°14° by 4 PM · Mostly cloudy
Tomorrow nightDown to 40°4° by 11 PM · rain chance 10% · 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 12a	Clear	37°3° (likely 37°3° to 44°7°)	37°3°	0%	0 mph0 km/h, gusts 4 mph6 km/h	96%	0%	0
Sat 1a	Clear	35°2° (likely 35°2° to 43°6°)	35°2°	0%	0 mph0 km/h, gusts 4 mph7 km/h	98%	1%	0
Sat 2a	Clear	34°1° (likely 34°1° to 42°6°)	34°1°	0%	0 mph0 km/h, gusts 4 mph7 km/h	100%	2%	0
Sat 3a	Clear	33°1° (likely 33°1° to 41°5°)	33°1°	0%	0 mph0 km/h, gusts 5 mph8 km/h	100%	5%	0
Sat 4a	Fog	31°−1° (likely 31°−1° to 40°4°)	31°−1°	0%	0 mph0 km/h, gusts 5 mph8 km/h	100%	47%	0
Sat 5a	Fog	31°−1° (likely 31°−1° to 39°4°)	31°−1°	0%	0 mph0 km/h, gusts 5 mph8 km/h	100%	48%	0
Sat 6a	Fog	31°−1° (likely 31°−1° to 38°3°)	31°−1°	0%	0 mph0 km/h, gusts 6 mph9 km/h	100%	48%	0
Sat 7a	Fog	29°−2° (likely 29°−2° to 38°3°)	29°−2°	0%	0 mph0 km/h, gusts 6 mph9 km/h	100%	46%	0
Sat 8a	Fog	31°−1° (likely 31°−1° to 38°3°)	31°−1°	0%	0 mph0 km/h, gusts 5 mph8 km/h	100%	51%	0
Sat 9a	Mostly sunny	35°2° (likely 35°2° to 41°5°)	35°2°	0%	0 mph0 km/h, gusts 4 mph7 km/h	100%	55%	0
Sat 10a	Fog	41°5° (likely 41°5° to 47°8°)	41°5°	0%	0 mph0 km/h, gusts 4 mph7 km/h	86%	62%	1
Sat 11a	Partly sunny	46°8° (likely 46°8° to 52°11°)	46°8°	0%	1 mph2 km/h from E, gusts 7 mph11 km/h	74%	73%	2
Sat 12p	Partly sunny	50°10° (likely 50°10° to 56°13°)	50°10°	0%	1 mph2 km/h from E, gusts 8 mph13 km/h	62%	75%	3
Sat 1p	Partly sunny	55°13° (likely 54°12° to 60°16°)	55°13°	0%	1 mph2 km/h from E, gusts 8 mph13 km/h	54%	67%	3
Sat 2p	Cloudy	57°14° (likely 56°13° to 60°16°)	57°14°	0%	2 mph3 km/h from E, gusts 9 mph15 km/h	50%	82%	3
Sat 3p	Cloudy	57°14° (likely 56°13° to 60°16°)	57°14°	0%	2 mph3 km/h from E, gusts 10 mph15 km/h	48%	82%	2
Sat 4p	Cloudy	58°14° (likely 57°14° to 60°16°)	58°14°	0%	3 mph5 km/h from E, gusts 9 mph15 km/h	48%	82%	1
Sat 5p	Cloudy	56°13° (likely 56°13° to 59°15°)	56°13°	0%	2 mph3 km/h from E, gusts 10 mph16 km/h	50%	67%	1
Sat 6p	Cloudy	53°12° (likely 52°11° to 54°12°)	53°12°	0%	2 mph3 km/h from E, gusts 7 mph12 km/h	61%	69%	0
Sat 7p	Cloudy	49°9° (likely 49°9° to 51°11°)	49°9°	0%	1 mph2 km/h from E, gusts 8 mph13 km/h	76%	81%	0
Sat 8p	Cloudy	43°6° (likely 43°6° to 49°9°)	43°6°	0%	1 mph2 km/h from E, gusts 9 mph14 km/h	84%	78%	0
Sat 9p	Cloudy	41°5° (likely 41°5° to 48°9°)	41°5°	0%	0 mph0 km/h, gusts 8 mph13 km/h	88%	80%	0
Sat 10p	Cloudy	39°4° (likely 39°4° to 47°8°)	39°4°	0%	0 mph0 km/h, gusts 8 mph12 km/h	91%	80%	0
Sat 11p	Cloudy	38°3° (likely 38°3° to 46°8°)	38°3°	0%	0 mph0 km/h, gusts 5 mph8 km/h	93%	80%	0
Sun 12a	Cloudy	37°3° (likely 37°3° to 45°7°)	37°3°	0%	0 mph0 km/h, gusts 5 mph8 km/h	95%	77%	0
Sun 1a	Cloudy	37°3° (likely 37°3° to 45°7°)	37°3°	0%	0 mph0 km/h, gusts 4 mph6 km/h	94%	72%	0
Sun 2a	Cloudy	36°2° (likely 36°2° to 44°7°)	36°2°	0%	0 mph0 km/h, gusts 3 mph6 km/h	94%	65%	0
Sun 3a	Cloudy	35°2° (likely 35°2° to 43°6°)	35°2°	0%	0 mph0 km/h, gusts 4 mph6 km/h	96%	74%	0
Sun 4a	Cloudy	33°1° (likely 33°1° to 43°6°)	33°1°	0%	0 mph0 km/h, gusts 4 mph6 km/h	94%	72%	0
Sun 5a	Cloudy	33°1° (likely 33°1° to 42°6°)	33°1°	0%	0 mph0 km/h, gusts 3 mph5 km/h	94%	71%	0
Sun 6a	Cloudy	33°1° (likely 33°1° to 42°6°)	33°1°	0%	0 mph0 km/h, gusts 3 mph5 km/h	97%	72%	0
Sun 7a	Cloudy	31°−1° (likely 31°−1° to 41°5°)	31°−1°	0%	0 mph0 km/h, gusts 4 mph6 km/h	98%	76%	0
Sun 8a	Cloudy	33°1° (likely 33°1° to 42°6°)	33°1°	0%	0 mph0 km/h, gusts 5 mph7 km/h	99%	79%	0
Sun 9a	Cloudy	37°3° (likely 37°3° to 45°7°)	37°3°	0%	0 mph0 km/h, gusts 5 mph8 km/h	92%	78%	0
Sun 10a	Cloudy	43°6° (likely 43°6° to 49°9°)	43°6°	0%	0 mph0 km/h, gusts 3 mph5 km/h	76%	78%	1
Sun 11a	Cloudy	47°8° (likely 47°8° to 52°11°)	47°8°	0%	0 mph0 km/h, gusts 4 mph6 km/h	66%	78%	2
Sun 12p	Cloudy	50°10° (likely 50°10° to 55°13°)	50°10°	0%	0 mph0 km/h, gusts 4 mph7 km/h	57%	79%	2
Sun 1p	Cloudy	54°12° (likely 53°12° to 58°14°)	54°12°	0%	0 mph0 km/h, gusts 4 mph7 km/h	51%	81%	3
Sun 2p	Cloudy	56°13° (likely 55°13° to 60°16°)	56°13°	0%	1 mph2 km/h from E, gusts 6 mph10 km/h	49%	81%	2
Sun 3p	Cloudy	56°13° (likely 56°13° to 62°17°)	56°13°	0%	1 mph2 km/h from E, gusts 6 mph10 km/h	49%	85%	2
Sun 4p	Cloudy	57°14° (likely 56°13° to 61°16°)	57°14°	0%	1 mph2 km/h from E, gusts 7 mph12 km/h	50%	89%	1
Sun 5p	Cloudy	55°13° (likely 55°13° to 59°15°)	55°13°	10%	1 mph2 km/h from N, gusts 8 mph12 km/h	54%	89%	1
Sun 6p	Cloudy	53°12° (likely 49°9° to 56°13°)	53°12°	10%	1 mph2 km/h from N, gusts 5 mph8 km/h	62%	87%	0
Sun 7p	Cloudy	48°9° (likely 45°7° to 54°12°)	48°9°	10%	1 mph2 km/h from N, gusts 5 mph8 km/h	72%	93%	0
Sun 8p	Cloudy	44°7° (likely 43°6° to 51°11°)	44°7°	10%	1 mph2 km/h from NW, gusts 6 mph9 km/h	82%	90%	0
Sun 9p	Cloudy	42°6° (likely 42°6° to 50°10°)	42°6°	10%	1 mph2 km/h from NW, gusts 6 mph10 km/h	88%	87%	0
Sun 10p	Cloudy	41°5° (likely 40°4° to 50°10°)	41°5°	10%	1 mph2 km/h from NW, gusts 6 mph10 km/h	91%	85%	0
Sun 11p	Cloudy	40°4° (likely 38°3° to 50°10°)	40°4°	10%	0 mph0 km/h, gusts 6 mph9 km/h	93%	75%	0

Days ahead

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

Today, Oct 24. Cloudy. High 59°15°, low 29°−2°. Typical 60°16° / 38°3°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Mostly sunny, 31°−1°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 58°14°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 43°6°
  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 59, with temperatures falling to around 56 in the afternoon. Northeast wind 0 to 3 mph.
Tonight: Widespread frost and patchy fog. Mostly clear. Low around 29, with temperatures rising to around 31 overnight. Wind around 0 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
57°14°–60°16°
Low, likely
29°−2°–38°3°
Typical high / low
60°16° / 38°3°
Wind
8 mph13 km/h, gusts 15 mph24 km/h
UV peak
3
Tomorrow, Oct 25. Fog. High 58°14°, low 34°1°. Typical 60°16° / 38°3°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 33°1°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 57°14°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 44°7°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 42°5°
  20% chance
Official NWS forecast
Day: Patchy fog before 8am, then widespread frost and patchy fog between 8am and 11am. Cloudy, with a high near 58. Northeast wind around 1 mph.
Night: Patchy fog between 8pm and 5am, then patchy fog and a slight chance of rain showers. Mostly cloudy, with a low around 34. North wind around 1 mph. Chance of precipitation is 20%.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
56°13°–61°16°
Low, likely
34°1°–41°5°
Typical high / low
60°16° / 38°3°
Wind
6 mph10 km/h
UV peak
3
Monday, Oct 26. Cloudy. High 59°15°, low 33°1°. Typical 59°15° / 38°3°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 43°6°
  30% chance
2. Afternoon
  noon–6 PM
  Sunny, 58°14°
  Dry
3. Evening
  6 PM–midnight
  Clear, 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: Patchy fog and a slight chance of rain showers before 11am. Partly sunny, with a high near 59. Chance of precipitation is 20%.
Night: Partly cloudy, with a low around 33.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
54°12°–62°17°
Low, likely
33°1°–46°8°
Typical high / low
59°15° / 38°3°
Wind
10 mph15 km/h
UV peak
3
Tuesday, Oct 27. Cloudy. High 61°16°, low 33°1°. Typical 59°15° / 37°3°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Mostly sunny, 39°4°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 61°16°
  Dry
3. Evening
  6 PM–midnight
  Clear, 51°11°
  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 61.
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.
High, likely
59°15°–62°17°
Low, likely
33°1°–44°7°
Typical high / low
59°15° / 37°3°
Wind
18 mph29 km/h, gusts 31 mph50 km/h
UV peak
3
Wednesday, Oct 28. Showers. High 58°14°, low 30°−1°. Typical 58°14° / 37°3°. Rain 0.01 in0.3 mm, 20% chance. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 43°6°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 58°14°
  Dry
3. Evening
  6 PM–midnight
  Drizzle, 47°8°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 38°3°
  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 58.
Night: A slight chance of rain showers. Mostly cloudy, with a low around 30.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
56°13°–59°15°
Low, likely
30°−1°–43°6°
Typical high / low
58°14° / 37°3°
Wind
13 mph21 km/h, gusts 22 mph35 km/h
UV peak
3
Thursday, Oct 29. Partly sunny. High 54°12°, low 28°−2°. Typical 58°14° / 36°2°. Rain 0.02 in0.5 mm, 20% chance. Mostly agree.
1. Morning
  6 AM–noon
  Mostly sunny, 36°2°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 55°13°
  Dry
3. Evening
  6 PM–midnight
  Clear, 45°7°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 36°2°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of rain showers before 11am. Mostly sunny, with a high near 54.
Night: Partly cloudy, with a low around 28.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
52°11°–56°13°
Low, likely
28°−2°–40°4°
Typical high / low
58°14° / 36°2°
Wind
18 mph28 km/h
UV peak
2
Friday, Oct 30. Partly sunny. High 54°12°, low 35°2°. Typical 57°14° / 36°2°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 35°2°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 51°11°
  Dry
3. Evening
  6 PM–midnight
  Mostly clear, 43°6°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 37°3°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 54.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
50°10°–54°12°
Low, likely
29°−2°–39°4°
Typical high / low
57°14° / 36°2°
Wind
7 mph11 km/h
UV peak
2
Saturday, Oct 31. Cloudy. High 51°11°, low 34°1°. Typical 57°14° / 36°2°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Partly sunny, 35°2°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 52°11°
  Dry
3. Evening
  6 PM–midnight
  Clear, 42°6°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 32°0°
  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°–55°13°
Low, likely
29°−2°–38°3°
Typical high / low
57°14° / 36°2°
Wind
6 mph10 km/h, gusts 13 mph22 km/h
UV peak
3
Sunday, Nov 1. Cloudy. High 53°12°, low 34°1°. Typical 56°13° / 36°2°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 33°1°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 53°12°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 44°7°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 35°2°
  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
53°12°–54°12°
Low, likely
25°−4°–40°4°
Typical high / low
56°13° / 36°2°
Wind
7 mph11 km/h
UV peak
3
Monday, Nov 2. Mostly sunny. High 52°11°, low 37°3°. Typical 56°13° / 35°2°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 39°4°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 53°12°
  Dry
3. Evening
  6 PM–midnight
  Clear, 45°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
51°11°–53°12°
Low, likely
33°1°–41°5°
Typical high / low
56°13° / 35°2°
Wind
8 mph13 km/h
UV peak
3

10 days15 days30 days

The outlook

Today
Dry, high 59°, low 29°.
Tomorrow
Dry, high 58°, low 34°.
Monday
Dry, high 59°, low 33°.
Rest of week
Mostly dry, highs 51–61°.

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 at Kiona

21 mi

Below flood stage

Level: 4.4 ft
Flow: 2,010 cfs

Forecast peak 4.5 ft Thu 11 AM

Reading from Fri 10:30 PM · NWS gauge page

Toppenish Creek above Toppenish Creek

22 mi

Level: 1.2 ft
Flow: 27 cfs

Reading from Fri 10:15 PM · NWS gauge page

For your home

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

Heating this week

About 63% less heating than a typical week.

This week 44Typical 120

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F: 31
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 26 hours are near freezing and damp, when outdoor units defrost more often.

Comfort

Dry air outside (dew point 31°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?

Prosser · official normals 1991–2020 · records 1925–2026

Oct 24, today vs a typical year

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

Last 7 days vs normal

—SunOct 18
—MonOct 19
—TueOct 20
—WedOct 21
—ThuOct 22
—FriOct 23
—SatOct 24

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

Sun & moon

Sun

Daylight: 10 h 28 min; Losing 3 min 8 s a day; shortest Dec 21, 1 h 51 min less
Golden hour: 5:15–6:16 PM; Morning 7:10–8:11 AM
Blue hour: 6:16–6:28 PM; Morning 6:58–7:10 AM; first light 6:58 AM

Stars tonight? Fair

Mostly clear 12:38–4 AM, but the moon is 96% lit and up.

Moon

Waxing gibbous

96% lit · growing

Today: sets 5:46 AM · rises 4:58 PM
Full moon: Oct 25
New moon: Nov 8

Looking west from Grandview. The highest point on the skyline is about 12,000 ft, 76 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