Observed 6:15 AM MDT at KSUN

Ketchum, ID weather

Overcast and 36°2°.

Forecasts differ

Now 36°2°

Cloudy · Feels like 32°0°

Wind: 5 mph8 km/h; From the northwest. Up to 7 mph11 km/h through 7 PM
Dew point: 32°0°; Dry, static shocks likely
UV index: 0Low; Moderate 1–4 PM · peak 3
Air quality: 0Good; Main pollutant: PM2.5 (fine particles)
Pressure: 30.29 inHg1026 hPa; Steady over the last 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

9°5° cooler than this time yesterday (45°7° then, 36°2° now)

Good hours for

Hard freeze until 10 AM (low 26°−3°)
Above 40°4° today by noon
Below 40°4° tonight after 8 PM
Hard freeze tonight 1–10 AM (low 24°−4°)
Hard freeze tomorrow night from 2 AM (low 27°−3°)

This morningUp to 38°3° by 11 AM · freezing, low 26°−3° · Clear
This afternoonUp to 52°11° by 4 PM · Clear
TonightDown to 27°−3° by 5 AM · freezing, low 27°−3° · Clear
Tomorrow morningUp to 42°6° by 11 AM · freezing, low 24°−4° · Partly cloudy
Tomorrow afternoonUp to 56°13° by 4 PM · Partly cloudy
Tomorrow nightDown to 28°−2° by 5 AM · freezing, low 28°−2° · Mostly 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 7a	Partly cloudy	27°−3° (likely 23°−5° to 33°1°)	20°−7°	0%	6 mph10 km/h from NNE, gusts 3 mph5 km/h	100%	24%	0
Sat 8a	Partly sunny	26°−3° (likely 23°−5° to 33°1°)	19°−7°	0%	6 mph10 km/h from NNE, gusts 2 mph3 km/h	100%	26%	0
Sat 9a	Mostly sunny	27°−3° (likely 25°−4° to 34°1°)	20°−7°	0%	7 mph11 km/h from NNE, gusts 3 mph5 km/h	100%	23%	0
Sat 10a	Mostly sunny	33°1° (likely 31°−1° to 37°3°)	33°1°	0%	2 mph3 km/h from N, gusts 3 mph5 km/h	86%	30%	1
Sat 11a	Sunny	38°3° (likely 36°2° to 41°5°)	38°3°	0%	1 mph2 km/h from WNW, gusts 2 mph3 km/h	77%	18%	2
Sat 12p	Sunny	45°7° (likely 39°4° to 45°7°)	45°7°	0%	1 mph2 km/h from SSE, gusts 3 mph5 km/h	62%	17%	2
Sat 1p	Sunny	50°10° (likely 42°6° to 50°10°)	50°10°	0%	2 mph3 km/h from SSE, gusts 3 mph4 km/h	54%	15%	3
Sat 2p	Sunny	51°11° (likely 44°7° to 51°11°)	51°11°	0%	3 mph5 km/h from SSE, gusts 5 mph7 km/h	53%	15%	3
Sat 3p	Sunny	51°11° (likely 45°7° to 51°11°)	51°11°	0%	6 mph10 km/h from SSE, gusts 8 mph13 km/h	51%	11%	3
Sat 4p	Sunny	52°11° (likely 44°7° to 52°11°)	52°11°	0%	6 mph10 km/h from SSE, gusts 9 mph14 km/h	52%	10%	2
Sat 5p	Sunny	51°11° (likely 43°6° to 51°11°)	51°11°	0%	5 mph8 km/h from SSE, gusts 7 mph12 km/h	55%	10%	1
Sat 6p	Sunny	48°9° (likely 40°4° to 48°9°)	47°8°	0%	3 mph5 km/h from SSE, gusts 6 mph10 km/h	65%	8%	1
Sat 7p	Clear	45°7° (likely 37°3° to 45°7°)	45°7°	0%	1 mph2 km/h from SSE, gusts 6 mph9 km/h	74%	7%	0
Sat 8p	Clear	39°4° (likely 34°1° to 39°4°)	39°4°	0%	1 mph2 km/h from NW, gusts 6 mph9 km/h	86%	3%	0
Sat 9p	Clear	37°3° (likely 31°−1° to 37°3°)	34°1°	0%	3 mph5 km/h from ENE, gusts 4 mph7 km/h	91%	4%	0
Sat 10p	Mostly clear	36°2° (likely 30°−1° to 37°3°)	32°0°	0%	5 mph8 km/h from N, gusts 3 mph5 km/h	89%	20%	0
Sat 11p	Clear	34°1° (likely 28°−2° to 36°2°)	30°−1°	0%	5 mph8 km/h from N, gusts 4 mph7 km/h	89%	24%	0
Sun 12a	Clear	33°1° (likely 27°−3° to 36°2°)	29°−2°	0%	5 mph8 km/h from NNW, gusts 4 mph6 km/h	91%	26%	0
Sun 1a	Clear	31°−1° (likely 27°−3° to 37°3°)	26°−3°	0%	5 mph8 km/h from NNW, gusts 4 mph6 km/h	92%	22%	0
Sun 2a	Mostly clear	30°−1° (likely 27°−3° to 37°3°)	25°−4°	0%	5 mph8 km/h from NNW, gusts 4 mph7 km/h	94%	15%	0
Sun 3a	Clear	29°−2° (likely 26°−3° to 37°3°)	24°−4°	0%	5 mph8 km/h from NNW, gusts 5 mph7 km/h	97%	8%	0
Sun 4a	Clear	28°−2° (likely 26°−3° to 37°3°)	23°−5°	0%	5 mph8 km/h from N, gusts 4 mph7 km/h	96%	4%	0
Sun 5a	Mostly clear	27°−3° (likely 26°−3° to 37°3°)	22°−6°	0%	5 mph8 km/h from N, gusts 3 mph6 km/h	98%	37%	0
Sun 6a	Clear	26°−3° (likely 25°−4° to 37°3°)	20°−7°	0%	5 mph8 km/h from N, gusts 4 mph6 km/h	98%	33%	0
Sun 7a	Mostly clear	26°−3° (likely 25°−4° to 38°3°)	20°−7°	0%	5 mph8 km/h from N, gusts 4 mph6 km/h	100%	40%	0
Sun 8a	Mostly sunny	24°−4° (likely 24°−4° to 38°3°)	18°−8°	0%	5 mph8 km/h from N, gusts 3 mph5 km/h	100%	44%	0
Sun 9a	Sunny	27°−3° (likely 27°−3° to 38°3°)	23°−5°	0%	3 mph5 km/h from N, gusts 3 mph5 km/h	90%	33%	0
Sun 10a	Mostly sunny	36°2° (likely 34°1° to 42°6°)	33°1°	0%	3 mph5 km/h from N, gusts 3 mph4 km/h	72%	17%	1
Sun 11a	Sunny	42°6° (likely 42°6° to 46°8°)	40°4°	0%	3 mph5 km/h from N, gusts 4 mph6 km/h	64%	27%	2
Sun 12p	Sunny	49°9° (likely 45°7° to 50°10°)	48°9°	0%	3 mph5 km/h from S, gusts 6 mph9 km/h	51%	33%	3
Sun 1p	Mostly sunny	53°12° (likely 46°8° to 53°12°)	53°12°	0%	3 mph5 km/h from S, gusts 7 mph11 km/h	45%	37%	4
Sun 2p	Mostly sunny	54°12° (likely 48°9° to 54°12°)	54°12°	0%	3 mph5 km/h from S, gusts 8 mph13 km/h	44%	29%	4
Sun 3p	Partly sunny	55°13° (likely 48°9° to 55°13°)	55°13°	0%	5 mph8 km/h from S, gusts 9 mph14 km/h	42%	46%	4
Sun 4p	Partly sunny	56°13° (likely 47°8° to 56°13°)	56°13°	0%	5 mph8 km/h from S, gusts 10 mph15 km/h	42%	49%	3
Sun 5p	Partly sunny	54°12° (likely 46°8° to 54°12°)	54°12°	0%	5 mph8 km/h from S, gusts 8 mph14 km/h	45%	60%	2
Sun 6p	Cloudy	51°11° (likely 43°6° to 51°11°)	51°11°	0%	2 mph3 km/h from SSE, gusts 6 mph10 km/h	56%	66%	1
Sun 7p	Cloudy	47°8° (likely 43°6° to 47°8°)	47°8°	0%	2 mph3 km/h from SSE, gusts 5 mph8 km/h	64%	68%	0
Sun 8p	Cloudy	43°6° (likely 40°4° to 43°6°)	43°6°	0%	2 mph3 km/h from SSE, gusts 3 mph5 km/h	74%	76%	0
Sun 9p	Cloudy	38°3° (likely 38°3° to 42°6°)	36°2°	0%	3 mph5 km/h from ENE, gusts 3 mph5 km/h	82%	77%	0
Sun 10p	Cloudy	36°2° (likely 36°2° to 40°4°)	33°1°	0%	3 mph5 km/h from ENE, gusts 4 mph6 km/h	84%	78%	0
Sun 11p	Partly cloudy	35°2° (likely 35°2° to 40°4°)	32°0°	0%	3 mph5 km/h from ENE, gusts 4 mph6 km/h	84%	74%	0
Mon 12a	Partly cloudy	35°2° (likely 34°1° to 40°4°)	32°0°	0%	3 mph5 km/h from NNE, gusts 4 mph6 km/h	83%	74%	0
Mon 1a	Partly cloudy	33°1° (likely 30°−1° to 41°5°)	30°−1°	0%	3 mph5 km/h from NNE, gusts 4 mph6 km/h	86%	69%	0
Mon 2a	Partly cloudy	32°0° (likely 30°−1° to 41°5°)	29°−2°	0%	3 mph5 km/h from NNE, gusts 4 mph6 km/h	89%	67%	0
Mon 3a	Partly cloudy	30°−1° (likely 29°−2° to 41°5°)	26°−3°	0%	3 mph5 km/h from NNE, gusts 4 mph6 km/h	93%	65%	0
Mon 4a	Partly cloudy	29°−2° (likely 29°−2° to 41°5°)	25°−4°	0%	3 mph5 km/h from NNE, gusts 4 mph6 km/h	96%	73%	0
Mon 5a	Partly cloudy	28°−2° (likely 28°−2° to 41°5°)	24°−4°	0%	3 mph5 km/h from NNE, gusts 3 mph6 km/h	98%	76%	0
Mon 6a	Partly cloudy	27°−3° (likely 27°−3° to 41°5°)	23°−5°	0%	3 mph5 km/h from NE, gusts 3 mph5 km/h	99%	77%	0

Days ahead

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

Today, Oct 24. Mostly sunny. High 53°12°, low 24°−4°. Typical 52°11° / 25°−4°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Mostly sunny, 26°−3°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 52°11°
  Dry
3. Evening
  6 PM–midnight
  Clear, 39°4°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 27°−3°
  Dry
Official NWS forecast
Today: Sunny. High near 53, with temperatures falling to around 51 in the afternoon. East wind 1 to 7 mph.
Tonight: Mostly clear. Low around 24, with temperatures rising to around 27 overnight. North wind 1 to 5 mph.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
45°7°–53°12°
Low, likely
23°−5°–32°0°
Typical high / low
52°11° / 25°−4°
Wind
9 mph14 km/h, gusts 16 mph26 km/h
UV peak
4
Tomorrow, Oct 25. Cloudy. High 56°13°, low 26°−3°. Typical 52°11° / 25°−4°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 24°−4°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 56°13°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 43°6°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 28°−2°
  Dry
Official NWS forecast
Day: Sunny. High near 56, with temperatures falling to around 54 in the afternoon. North wind around 5 mph.
Night: Mostly cloudy, with a low around 26. East wind around 3 mph.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
48°9°–56°13°
Low, likely
24°−4°–36°2°
Typical high / low
52°11° / 25°−4°
Wind
8 mph14 km/h, gusts 17 mph27 km/h
UV peak
4
Monday, Oct 26. Rain. High 54°12°, low 25°−4°. Typical 51°11° / 24°−4°. Rain 0.13 in3.3 mm, 20% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 36°2°
  Dry
2. Afternoon
  noon–6 PM
  Drizzle, 51°10°
  30% chance · 0.2 in0.4 cm
3. Evening
  6 PM–midnight
  Showers, 40°4°
  60% chance · 0.07 in1.7 mm
4. Overnight
  midnight–6 AM
  Drizzle, 30°−1°
  50% chance · 0.05 in1.3 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of rain after noon. Mostly sunny, with a high near 54. East southeast wind 3 to 9 mph. Chance of precipitation is 20%.
Night: Rain likely before 9pm, then rain and snow likely. Mostly cloudy, with a low around 25. Chance of precipitation is 60%.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
45°7°–54°12°
Low, likely
25°−4°–39°4°
Typical high / low
51°11° / 24°−4°
Wind
12 mph20 km/h, gusts 36 mph57 km/h
UV peak
4
Tuesday, Oct 27. Snow. High 48°9°, low 20°−7°. Typical 51°11° / 24°−4°. Snow 0.05 in1.3 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 28°−2°
  20% chance
2. Afternoon
  noon–6 PM
  Cloudy, 42°6°
  Dry
3. Evening
  6 PM–midnight
  Clear, 35°2°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 26°−3°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of snow before noon, then a slight chance of rain and snow. Partly sunny, with a high near 48. Chance of precipitation is 30%.
Night: Partly cloudy, with a low around 20.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
38°3°–48°9°
Low, likely
20°−7°–32°0°
Typical high / low
51°11° / 24°−4°
Wind
10 mph15 km/h, gusts 30 mph47 km/h
UV peak
4
Wednesday, Oct 28. Partly sunny. High 51°11°, low 25°−4°. Typical 50°10° / 24°−4°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 26°−3°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 45°7°
  Dry
3. Evening
  6 PM–midnight
  Clear, 35°2°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 33°0°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 51.
Night: Partly cloudy, with a low around 25.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
40°4°–51°11°
Low, likely
21°−6°–29°−2°
Typical high / low
50°10° / 24°−4°
Wind
8 mph14 km/h, gusts 15 mph24 km/h
UV peak
4
Thursday, Oct 29. Snow. High 52°11°, low 27°−3°. Typical 50°10° / 24°−4°. Snow 0–1 in0–3 cm, 10% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 35°2°
  Dry
2. Afternoon
  noon–6 PM
  Drizzle, 45°7°
  20% chance · 0.04 in1 mm
3. Evening
  6 PM–midnight
  Snow, 39°4°
  30% chance · 0.2 in0.5 cm
4. Overnight
  midnight–6 AM
  Snow, 37°3°
  30% chance · 0.5 in1.3 cm
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 52.
Night: A slight chance of rain before 9pm, then a slight chance of rain and snow. Partly cloudy, with a low around 27. Chance of precipitation is 20%.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
41°5°–52°11°
Low, likely
25°−4°–35°2°
Typical high / low
50°10° / 24°−4°
Wind
6 mph10 km/h, gusts 29 mph46 km/h
UV peak
2
Friday, Oct 30. Snow. High 53°12°, low 25°−4°. Typical 49°9° / 23°−5°. Snow 0–3 in0–8 cm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Snow, 37°3°
  40% chance · 0.3 in0.7 cm
2. Afternoon
  noon–6 PM
  Drizzle, 39°4°
  40% chance · 0.2 in0.4 cm
3. Evening
  6 PM–midnight
  Drizzle, 33°1°
  30% chance · 0.01 in0.4 mm
4. Overnight
  midnight–6 AM
  Cloudy, 28°−2°
  30% chance · 0.2 in0.4 cm
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of snow before noon, then a chance of rain and snow. Partly sunny, with a high near 53. Chance of precipitation is 30%. Little or no snow accumulation expected.
Night: A chance of rain before 9pm, then a chance of snow. Partly cloudy, with a low around 25. Chance of precipitation is 30%.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
37°3°–53°12°
Low, likely
23°−5°–34°1°
Typical high / low
49°9° / 23°−5°
Wind
8 mph13 km/h, gusts 26 mph42 km/h
UV peak
2
Saturday, Oct 31. Cloudy. High 37°3°, low 19°−7°. Typical 49°9° / 23°−5°. Rain 0.11 in2.8 mm, 30% chance. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 25°−4°
  30% chance · 0.4 in1.1 cm
2. Afternoon
  noon–6 PM
  Cloudy, 37°3°
  20% chance · 0.1 in0.3 cm
3. Evening
  6 PM–midnight
  Clear, 26°−3°
  20% chance
4. Overnight
  midnight–6 AM
  Mostly clear, 19°−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
35°2°–39°4°
Low, likely
17°−8°–20°−7°
Typical high / low
49°9° / 23°−5°
Wind
11 mph17 km/h, gusts 33 mph53 km/h
UV peak
3
Sunday, Nov 1. Partly sunny. High 42°6°, low 18°−8°. Typical 48°9° / 22°−6°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 22°−6°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 43°6°
  Dry
3. Evening
  6 PM–midnight
  Clear, 32°0°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 28°−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 differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
38°3°–48°9°
Low, likely
16°−9°–22°−6°
Typical high / low
48°9° / 22°−6°
Wind
6 mph9 km/h, gusts 14 mph22 km/h
UV peak
4
Monday, Nov 2. Cloudy. High 44°7°, low 25°−4°. Typical 48°9° / 22°−6°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Partly sunny, 33°0°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 48°9°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 36°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 differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
39°4°–53°12°
Low, likely
20°−7°–31°−1°
Typical high / low
48°9° / 22°−6°
Wind
7 mph11 km/h, gusts 19 mph31 km/h
UV peak
3

10 days15 days30 days

The outlook

Today
Dry, high 53°, low 24°.
Tomorrow
Dry, high 56°, low 26°, warming up.
Monday
Dry, high 54°, low 25°.
Rest of week
Mostly dry, highs 37–53°.

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

Big Wood River near Ketchum

7.3 mi

Below flood stage

Level: 5.1 ft
Flow: 70 cfs

Forecast peak 5.6 ft Sat 12 PM

Reading from Sat 4:45 AM · NWS gauge page

Big Wood River at Hailey

12 mi

Below flood stage

Level: 1.9 ft
Flow: 230 cfs

Forecast peak 1.7 ft Sat 12 PM

Reading from Sat 4:45 AM · NWS gauge page

Trail Creek (ID) at Ketchum

0.9 mi

Below flood stage

Level: 5.1 ft
Flow: 17 cfs

Reading from Sat 5:15 AM · NWS gauge page

East Fork Big Wood River at Gimlet

6.2 mi

Below flood stage

Level: 5.1 ft
Flow: 19 cfs

Reading from Sat 5:15 AM · NWS gauge page

For your home

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

Heating this week

About 73% less heating than a typical week.

This week 52Typical 193

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F: 34
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 19 hours are near freezing and damp, when outdoor units defrost more often.

Comfort

Dry air outside (dew point 32°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?

Ketchum Ranger Station · official normals 1991–2020 · records 1937–2026

Oct 24, today vs a typical year

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

Last 7 days vs normal

On average 9°5° warmer than normal (daily mean temperature).

+6°+3°SunOct 18
+6°+3°MonOct 19
+7°+4°TueOct 20
+9°+5°WedOct 21
+13°+7°ThuOct 22
+12°+7°FriOct 23
—SatOct 24

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

Sun & moon

Sun

Daylight: 10 h 36 min; Losing 2 min 49 s a day; shortest Dec 21, 1 h 41 min less
Golden hour: 5:59–6:57 PM; Morning 7:45–8:43 AM
Blue hour: 6:57–7:08 PM; Morning 7:33–7:45 AM; first light 7:33 AM

Stars tonight? Unknown

Cloud forecast not available for tonight.

Moon

Waxing gibbous

97% lit · growing

Today: sets 6:20 AM · rises 5:39 PM
Full moon: Oct 25
New moon: Nov 9

Looking north from Ketchum. The highest point on the skyline is about 11,600 ft, 15 mi away.Skyline from USGS elevation data, heights drawn up to 3× taller. Sky, sun and moon as they are now.

Ketchum, ID weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Monday

Rest of week

What changed since yesterday

Radar

Rivers

Big Wood River near Ketchum

Big Wood River at Hailey

Trail Creek (ID) at Ketchum

East Fork Big Wood River at Gimlet

For your home

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? Unknown

Moon