Observed 6:15 PM MDT at KONO

Nyssa, OR weather

Sunny and 54°12°, freeze watch tonight, low 27°−3°.

Forecasts agree

Now 54°12°

Sunny

Wind: Calm; Light through 6 AM
Dew point: 30°−1°; Dry, static shocks likely
UV tomorrow: 4Moderate; Moderate 1–5 PM · peak 4
Air quality: 20Good; Main pollutant: PM2.5 (fine particles)
Pressure: 30.18 inHg1022 hPa; Falling slowly · −0.03 inHg−1.1 hPa in 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

About the same as this time yesterday (54°12° then, 55°13° now)

Good hours for

Drops 12°7° until 9 PM (57°14° → 45°7°)
Hard freeze tonight 2–10 AM (low 27°−3°)
Low 27°−3° tomorrow at 7 AM
Above 50°10° tomorrow by noon
Below 50°10° tomorrow night after 9 PM

TonightDown to 28°−2° by 5 AM · freezing, low 28°−2° · Clear
Tomorrow morningUp to 44°7° by 11 AM · freezing, low 27°−3° · Mostly cloudy
Tomorrow afternoonUp to 64°18° by 5 PM · Mostly cloudy
Tomorrow nightDown to 36°2° by 5 AM · rain chance 10% · Partly cloudy
Monday morningUp to 50°10° by 11 AM · rain chance 20% · Partly cloudy
Monday afternoonUp to 66°19° by 3 PM · Mostly cloudy · rain chance 20%

Hourly forecast, next 48 hours, in the place's local time
Hour	Conditions	Temperature	Feels like	Precipitation	Wind	Humidity	Cloud cover	UV index
Sat 6p	Sunny	57°14° (likely 53°12° to 57°14°)	57°14°	0%	2 mph3 km/h from NE, gusts 6 mph10 km/h	43%	3%	1
Sat 7p	Clear	51°11° (likely 49°9° to 52°11°)	51°11°	0%	2 mph3 km/h from NNE, gusts 7 mph11 km/h	52%	0%	0
Sat 8p	Clear	45°7° (likely 45°7° to 48°9°)	45°7°	0%	2 mph3 km/h from NNE, gusts 6 mph9 km/h	62%	0%	0
Sat 9p	Clear	41°5° (likely 41°5° to 46°8°)	41°5°	0%	2 mph3 km/h from NNE, gusts 6 mph10 km/h	68%	0%	0
Sat 10p	Clear	39°4° (likely 39°4° to 45°7°)	39°4°	0%	2 mph3 km/h from NNE, gusts 5 mph9 km/h	73%	1%	0
Sat 11p	Clear	36°2° (likely 36°2° to 44°7°)	37°3°	0%	1 mph2 km/h from NE, gusts 5 mph8 km/h	78%	1%	0
Sun 12a	Clear	35°2° (likely 35°2° to 43°6°)	35°2°	0%	1 mph2 km/h from ENE, gusts 5 mph8 km/h	83%	2%	0
Sun 1a	Clear	34°1° (likely 34°1° to 42°6°)	34°1°	0%	1 mph2 km/h from ENE, gusts 5 mph9 km/h	83%	1%	0
Sun 2a	Clear	32°0° (likely 32°0° to 41°5°)	32°0°	0%	1 mph2 km/h from ENE, gusts 5 mph8 km/h	85%	3%	0
Sun 3a	Clear	31°−1° (likely 31°−1° to 40°4°)	31°−1°	0%	1 mph2 km/h from ENE, gusts 4 mph6 km/h	87%	41%	0
Sun 4a	Mostly clear	29°−2° (likely 29°−2° to 39°4°)	29°−2°	0%	2 mph3 km/h from ENE, gusts 3 mph4 km/h	90%	31%	0
Sun 5a	Mostly clear	28°−2° (likely 28°−2° to 39°4°)	28°−2°	0%	2 mph3 km/h from ENE, gusts 3 mph4 km/h	92%	61%	0
Sun 6a	Mostly clear	28°−2° (likely 28°−2° to 38°3°)	28°−2°	0%	2 mph3 km/h from NE, gusts 2 mph4 km/h	93%	50%	0
Sun 7a	Partly cloudy	27°−3° (likely 27°−3° to 37°3°)	27°−3°	0%	2 mph3 km/h from NE, gusts 3 mph5 km/h	92%	59%	0
Sun 8a	Mostly cloudy	27°−3° (likely 27°−3° to 37°3°)	27°−3°	0%	2 mph3 km/h from NE, gusts 4 mph6 km/h	92%	68%	0
Sun 9a	Cloudy	30°−1° (likely 30°−1° to 38°3°)	30°−1°	0%	2 mph3 km/h from NE, gusts 4 mph6 km/h	92%	72%	0
Sun 10a	Partly sunny	37°3° (likely 37°3° to 41°5°)	37°3°	0%	2 mph3 km/h from ENE, gusts 3 mph5 km/h	80%	76%	1
Sun 11a	Mostly sunny	44°7° (likely 41°5° to 45°7°)	44°7°	0%	1 mph2 km/h from ENE, gusts 3 mph5 km/h	69%	69%	2
Sun 12p	Mostly sunny	50°10° (likely 46°8° to 50°10°)	50°10°	0%	1 mph2 km/h from E, gusts 11 mph17 km/h	60%	64%	2
Sun 1p	Mostly sunny	55°13° (likely 51°11° to 55°13°)	55°13°	0%	2 mph3 km/h from E, gusts 11 mph18 km/h	52%	60%	3
Sun 2p	Mostly sunny	59°15° (likely 54°12° to 59°15°)	59°15°	0%	3 mph5 km/h from ESE, gusts 11 mph18 km/h	48%	53%	4
Sun 3p	Partly sunny	61°16° (likely 57°14° to 61°16°)	61°16°	0%	3 mph5 km/h from ESE, gusts 11 mph17 km/h	46%	61%	4
Sun 4p	Cloudy	63°17° (likely 59°15° to 63°17°)	63°17°	0%	3 mph5 km/h from ESE, gusts 9 mph15 km/h	45%	71%	3
Sun 5p	Partly sunny	64°18° (likely 59°15° to 64°18°)	64°18°	0%	2 mph3 km/h from ENE, gusts 9 mph14 km/h	44%	73%	2
Sun 6p	Cloudy	61°16° (likely 58°14° to 61°16°)	61°16°	0%	2 mph3 km/h from NNE, gusts 7 mph11 km/h	51%	73%	1
Sun 7p	Cloudy	55°13° (likely 53°12° to 56°13°)	55°13°	0%	2 mph3 km/h from NNE, gusts 7 mph11 km/h	58%	73%	0
Sun 8p	Cloudy	50°10° (likely 49°9° to 53°12°)	50°10°	0%	2 mph3 km/h from NNE, gusts 6 mph9 km/h	68%	81%	0
Sun 9p	Cloudy	47°8° (likely 47°8° to 51°11°)	47°8°	0%	2 mph3 km/h from NNE, gusts 6 mph9 km/h	72%	82%	0
Sun 10p	Cloudy	45°7° (likely 45°7° to 49°9°)	45°7°	0%	2 mph3 km/h from NNE, gusts 5 mph8 km/h	74%	81%	0
Sun 11p	Clear	44°7° (likely 44°7° to 48°9°)	44°7°	0%	2 mph3 km/h from NNE, gusts 7 mph11 km/h	76%	40%	0
Mon 12a	Clear	42°6° (likely 42°6° to 47°8°)	42°6°	5%	2 mph3 km/h from ENE, gusts 10 mph15 km/h	76%	40%	0
Mon 1a	Clear	42°6° (likely 42°6° to 47°8°)	42°6°	5%	2 mph3 km/h from ENE, gusts 9 mph14 km/h	76%	41%	0
Mon 2a	Clear	40°4° (likely 40°4° to 46°8°)	40°4°	5%	2 mph3 km/h from ENE, gusts 7 mph11 km/h	77%	43%	0
Mon 3a	Cloudy	39°4° (likely 39°4° to 46°8°)	37°3°	10%	3 mph5 km/h from E, gusts 7 mph11 km/h	78%	30%	0
Mon 4a	Cloudy	38°3° (likely 38°3° to 46°8°)	35°2°	10%	3 mph5 km/h from E, gusts 6 mph10 km/h	80%	29%	0
Mon 5a	Cloudy	36°2° (likely 36°2° to 45°7°)	34°1°	10%	3 mph5 km/h from E, gusts 6 mph10 km/h	84%	34%	0
Mon 6a	Mostly cloudy	35°2° (likely 35°2° to 44°7°)	35°2°	10%	2 mph3 km/h from ENE, gusts 5 mph8 km/h	85%	32%	0
Mon 7a	Mostly cloudy	35°2° (likely 35°2° to 42°6°)	35°2°	10%	2 mph3 km/h from ENE, gusts 4 mph6 km/h	85%	44%	0
Mon 8a	Sunny	34°1° (likely 34°1° to 41°5°)	35°2°	10%	2 mph3 km/h from ENE, gusts 5 mph7 km/h	86%	33%	0
Mon 9a	Mostly cloudy	37°3° (likely 37°3° to 42°6°)	34°1°	10%	3 mph5 km/h from SSE, gusts 6 mph9 km/h	86%	65%	0
Mon 10a	Showers	42°6° (likely 41°5° to 47°8°)	41°5°	20%	3 mph5 km/h from SSE, gusts 6 mph9 km/h	78%	62%	1
Mon 11a	Cloudy	50°10° (likely 45°7° to 53°12°)	49°9°	20%	3 mph5 km/h from SSE, gusts 10 mph17 km/h	65%	76%	2
Mon 12p	Showers	57°14° (likely 47°8° to 57°14°)	57°14°	20%, 0.02 in0.5 mm	3 mph5 km/h from WSW, gusts 11 mph17 km/h	52%	68%	3
Mon 1p	Showers	62°17° (likely 45°7° to 62°17°)	62°17°	20%, 0.02 in0.5 mm	3 mph5 km/h from WSW, gusts 11 mph17 km/h	44%	85%	3
Mon 2p	Showers	64°18° (likely 48°9° to 64°18°)	64°18°	20%, 0.02 in0.5 mm	3 mph5 km/h from WSW, gusts 10 mph15 km/h	39%	87%	3
Mon 3p	Cloudy	66°19° (likely 52°11° to 66°19°)	66°19°	10%, 0.02 in0.5 mm	7 mph11 km/h from SW, gusts 9 mph15 km/h	37%	74%	3
Mon 4p	Partly sunny	66°19° (likely 55°13° to 66°19°)	66°19°	10%, 0.02 in0.5 mm	7 mph11 km/h from SW, gusts 14 mph23 km/h	37%	75%	3
Mon 5p	Partly sunny	65°18° (likely 54°12° to 65°18°)	65°18°	10%, 0.02 in0.5 mm	7 mph11 km/h from SW, gusts 18 mph28 km/h	39%	89%	2

Days ahead

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

Today, Oct 24. Mostly sunny. High 55°13°, low 27°−3°. Typical 62°17° / 36°2°. Dry. Forecasts agree.
1. Evening
  6 PM–midnight
  Clear, 45°7°
  Dry
2. Overnight
  midnight–6 AM
  Clear, 28°−2°
  Dry
Official NWS forecast
Tonight: Widespread frost after 11pm. Mostly clear, with a low around 27. Northeast wind around 2 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
54°12°–56°13°
Low, likely
27°−3°–33°1°
Typical high / low
62°17° / 36°2°
Wind
11 mph18 km/h, gusts 22 mph36 km/h
UV peak
4
Tomorrow, Oct 25. Cloudy. High 64°18°, low 34°1°. Typical 62°17° / 35°2°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Cloudy, 27°−3°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 64°18°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 50°10°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 36°2°
  Dry
Official NWS forecast
Day: Widespread frost before 10am. Mostly sunny, with a high near 64. East wind around 3 mph.
Night: Mostly cloudy, with a low around 34. East northeast wind around 3 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
59°15°–64°18°
Low, likely
32°0°–37°3°
Typical high / low
62°17° / 35°2°
Wind
6 mph9 km/h, gusts 18 mph28 km/h
UV peak
4
Monday, Oct 26. Showers. High 66°19°, low 36°2°. Typical 61°16° / 35°2°. Rain 0.06 in1.5 mm, 20% chance. Mostly agree.
1. Morning
  6 AM–noon
  Mostly cloudy, 34°1°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 66°19°
  Dry
3. Evening
  6 PM–midnight
  Clear, 49°10°
  20% chance
4. Overnight
  midnight–6 AM
  Clear, 37°3°
  Dry
Official NWS forecast
Day: Areas of frost before 9am, then a slight chance of rain showers between 10am and 3pm. Mostly sunny, with a high near 66. South southwest wind 2 to 7 mph. Chance of precipitation is 20%.
Night: Patchy fog after 5am. Partly cloudy, with a low around 36. Southwest wind 2 to 7 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
56°13°–66°19°
Low, likely
36°2°–43°6°
Typical high / low
61°16° / 35°2°
Wind
17 mph27 km/h, gusts 29 mph47 km/h
UV peak
3
Tuesday, Oct 27. Fog. High 58°14°, low 32°0°. Typical 60°16° / 35°2°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 36°2°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 55°13°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 49°10°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 34°1°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Patchy fog before 7am, then areas of fog and patchy frost between 7am and 10am. Mostly sunny, with a high near 58.
Night: Patchy fog after 4am. Partly cloudy, with a low around 32.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
52°11°–58°14°
Low, likely
30°−1°–39°4°
Typical high / low
60°16° / 35°2°
Wind
13 mph21 km/h, gusts 24 mph39 km/h
UV peak
4
Wednesday, Oct 28. Fog. High 61°16°, low 32°0°. Typical 60°16° / 34°1°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 31°0°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 56°14°
  Dry
3. Evening
  6 PM–midnight
  Clear, 47°8°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 35°2°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Areas of fog before 9am. Mostly sunny, with a high near 61.
Night: Partly cloudy, with a low around 32.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
53°12°–61°16°
Low, likely
25°−4°–37°3°
Typical high / low
60°16° / 34°1°
Wind
9 mph15 km/h, gusts 16 mph25 km/h
UV peak
4
Thursday, Oct 29. Cloudy. High 59°15°, low 32°0°. Typical 59°15° / 34°1°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 33°1°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 56°13°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 48°9°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 36°2°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 59.
Night: A slight chance of rain showers before midnight, then patchy fog. Partly cloudy, with a low around 32. Chance of precipitation is 20%.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
54°12°–59°15°
Low, likely
26°−3°–38°3°
Typical high / low
59°15° / 34°1°
Wind
8 mph13 km/h
UV peak
3
Friday, Oct 30. Fog. High 57°14°, low 29°−2°. Typical 59°15° / 34°1°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 34°1°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 50°10°
  Dry
3. Evening
  6 PM–midnight
  Clear, 44°7°
  Dry
4. Overnight
  midnight–6 AM
  Mostly clear, 30°−1°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Areas of fog before 10am. Partly sunny, with a high near 57.
Night: Patchy fog after 5am. Partly cloudy, with a low around 29.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
47°8°–57°14°
Low, likely
23°−5°–40°4°
Typical high / low
59°15° / 34°1°
Wind
9 mph14 km/h, gusts 21 mph34 km/h
UV peak
2
Saturday, Oct 31. Partly sunny. High 55°13°, low 30°−1°. Typical 58°14° / 33°1°. Rain 0.03 in0.8 mm, 20% chance. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 28°−2°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 49°10°
  Dry
3. Evening
  6 PM–midnight
  Clear, 41°5°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 26°−4°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Areas of fog and a slight chance of rain showers before noon. Mostly sunny, with a high near 55.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
47°8°–55°13°
Low, likely
10°−12°–37°3°
Typical high / low
58°14° / 33°1°
Wind
18 mph29 km/h
UV peak
3
Sunday, Nov 1. Sunny. High 49°9°, low 28°−2°. Typical 58°14° / 33°1°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Mostly sunny, 26°−3°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 48°9°
  Dry
3. Evening
  6 PM–midnight
  Clear, 40°4°
  Dry
4. Overnight
  midnight–6 AM
  Mostly clear, 27°−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
43°6°–53°12°
Low, likely
10°−12°–37°3°
Typical high / low
58°14° / 33°1°
Wind
7 mph11 km/h, gusts 17 mph28 km/h
UV peak
3
Monday, Nov 2. Cloudy. High 49°9°, low 29°−2°. Typical 57°14° / 33°1°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 31°−1°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 47°8°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 38°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
39°4°–56°13°
Low, likely
15°−9°–36°2°
Typical high / low
57°14° / 33°1°
Wind
6 mph9 km/h, gusts 11 mph18 km/h
UV peak
3

10 days15 days30 days

The outlook

Today
Dry, high 55°, low 27°.
Tomorrow
Dry, high 64°, low 34°, warming up.
Monday
Dry, high 66°, low 36°.
Rest of week
Mostly dry, highs 49–61°.

Want the meteorologists’ reasoning? Read the NWS forecast discussion (BOI) (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

Payette River at Payette

12 mi

Below flood stage

Level: 5.2 ft
Flow: 1,410 cfs

Forecast peak 5.0 ft Sat 6 PM

Reading from Sat 4:30 PM · NWS gauge page

Malheur River at Vale

13 mi

Below flood stage

Level: 11.1 ft
Flow: 106 cfs

Forecast peak 11.1 ft Sat 6 PM

Reading from Sat 4:30 PM · NWS gauge page

Snake River at Nyssa

0.7 mi

Level: 6.0 ft
Flow: 7,310 cfs

Reading from Sat 4:30 PM · NWS gauge page

Boise River near Parma

6.7 mi

Level: 8.9 ft
Flow: 813 cfs

Reading from Sat 4:45 PM · NWS gauge page

For your home

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

Pipes: watch the cold

Tonight’s low: 27°−3°

Overnight low near 27°F — not yet at drip-the-faucets cold, but worth watching if it's forecast to drop further.

Heating this week

About 67% less heating than a typical week.

This week 40Typical 122

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F: 30
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 15 hours are near freezing and damp, when outdoor units defrost more often.

Comfort

Dry air outside (dew point 30°F).

Open the windows?

Sun, 3:00 PM–6:00 PM

Good stretch to open the windows (air quality forecast not available for part of this window).

Is this typical?

Ontario · official normals 1991–2020 · records 1945–2026

Oct 24, today vs a typical year

Today’s expected high is 7°4° colder than typical.

Last 7 days vs normal

On average 4°2° warmer than normal (daily mean temperature).

±0°MonOct 19
+4°+2°TueOct 20
+8°+4°WedOct 21
+9°+5°ThuOct 22
±0°FriOct 23
—SatOct 24
—SunOct 25

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

Sun & moon

Sun

Daylight: 10 h 35 min; Losing 2 min 53 s a day; shortest Dec 21, 1 h 41 min less
Golden hour: 6:09–7:07 PM; Morning 7:55–8:54 AM
Blue hour: 7:07–7:19 PM; Morning 7:44–7:55 AM; first light 7:44 AM

Stars tonight? Fair

Mostly clear 7:19 PM–3 AM, but the moon is 99% lit and up.

Moon

Waxing gibbous

98% lit · growing

Today: sets 6:31 AM · rises 5:50 PM
Full moon: Oct 25
New moon: Nov 9

Looking northeast from Nyssa. The highest point on the skyline is about 9,400 ft, 83 mi away.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.

Nyssa, OR weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Monday

Rest of week

What changed since yesterday

Radar

Rivers

Payette River at Payette

Malheur River at Vale

Snake River at Nyssa

Boise River near Parma

For your home

Pipes: watch the cold

Heating this week

Heat-pump hours, next 7 days

Comfort

Open the windows?

Is this typical?

Oct 24, today vs a typical year

Last 7 days vs normal

Sun & moon

Sun

Stars tonight? Fair

Moon