Ketchum, ID Weather Forecast
Blaine County, Idaho
Live radar, warnings and storm tracking for Ketchum, with free alerts the moment it counts.
The next few hours
A dry evening, mostly sunny
It is 31°, but the wind is taking it down to 27° on exposed skin. The sky is mostly sunny. The air is close to calm.
The wind backs into the southeast around 3 AM, which is the turn that usually comes ahead of the change rather than after it. Nothing in the next day and a half is wet enough to move plans for.
Taller, warmer bars mean heavier rain. Dotted means no reading for that hour.
Hour by hour
Dry and warming through tomorrow
Nothing wet is expected over the next day and a half.
The overnight low settles near 22°. Tomorrow reaches 41°, 15° warmer than today. It also gets muggier, so tomorrow will feel warmer than the number on its own suggests.
Sunrise and sunset
Next five days, scored 0 to 100The first day or two use the HRRR and NBM cloud layers. Later days only have total cloud, so treat them as a rough guide.
Know when sunset at this place will be worth a photo
We score every sunrise and sunset here from the cloud, haze and smoke forecast, and let you know when one is likely to light up. Sunrise the evening before, sunset a few hours ahead.
Seven-day outlook
11–41°F across the weekThe week runs between 11° and 41°, with tomorrow the warmest day of it. There is no real trend across it: one day looks much like the next. Tuesday is the wettest day, peaking near 86%.
Free alerts for Ketchum
Every NWS warning, pushed to your phone, inbox or webhook the moment it is issued.
Ketchum, ID at a glance
Ketchum is home to about 3,611 people in Blaine County, across 3.2 square miles. It ranks 44th by population of 55 places in Idaho with a forecast here. The nearest neighbour with its own forecast is Hailey, 13 miles away.
- County
- Blaine County
- Population
- 3,611 2023 est.
- Land area
- 3.2 sq mi
- People per sq mi
- 1,127
- Forecast point
- 43.6877°N, 114.3801°W
How well can the network see Ketchum?
The nearest Doppler radar is KCBX (Boise, ID), to the W. Its lowest scan passes about 8,700 ft above Ketchum. At that range the beam overshoots the base of a storm. If a warning for Ketchum looks unsupported on radar, trust the warning.
The closest weather station is KSUN (Hailey/Friedman Mem). Representative on most days, though a thunderstorm can hit one and miss the other.
Forecasts near Ketchum
- Hailey, ID13 mi
- Bellevue, ID16 mi
- Gooding, ID55 mi
- Wendell, ID65 mi
- Jerome, ID67 mi
- Mountain Home, ID76 mi
- Buhl, ID78 mi
- Twin Falls, ID78 mi
Elsewhere in Idaho
Boise CityMeridianNampaCaldwellIdaho FallsPocatelloAll Idaho forecasts →

