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Ketchum, ID 83340 Weather

Today: Mostly Sunny, high 46°F, low 28°F. Hourly and 7-day forecast from the National Weather Service. Times are local (MDT).

Ketchum, ID 83340 current weather

20°F

Mostly Sunny

Forecast for this hour. No recent report from a nearby station.

H 46° / L 28°

  • No rain expected in the next 12 hours

No recent station report. NWS hourly forecast updated 10/29/2026, 4:31 AM PT

Hourly forecast

NWS, updated 10/29/2026, 4:31 AM PT

  1. Now20°
  2. 10 AM25°
  3. 11 AM31°
  4. 12 PM39°
  5. 1 PM43°
  6. 2 PM44°
  7. 3 PM45°
  8. 4 PM44°
  9. 5 PM44°
  10. 6 PM40°
  11. 7 PM36°
  12. 8 PM33°
  13. 9 PM32°
  14. 10 PM32°
  15. 11 PM32°
  16. 12 AM32°19%Fri
  17. 1 AM32°24%
  18. 2 AM32°33%
  19. 3 AM31°49%
  20. 4 AM31°47%
  21. 5 AM31°52%
  22. 6 AM29°56%
  23. 7 AM30°49%
  24. 8 AM30°63%
  25. 9 AM30°65%
  26. 10 AM30°62%
  27. 11 AM33°71%
  28. 12 PM37°79%
  29. 1 PM40°76%
  30. 2 PM41°60%
  31. 3 PM40°59%
  32. 4 PM41°60%
  33. 5 PM42°60%
  34. 6 PM39°54%
  35. 7 PM39°54%
  36. 8 PM37°54%
  37. 9 PM34°54%
  38. 10 PM33°54%
  39. 11 PM32°54%
  40. 12 AM32°39%Sat
  41. 1 AM32°39%
  42. 2 AM31°39%
  43. 3 AM31°39%
  44. 4 AM30°39%
  45. 5 AM30°39%
  46. 6 AM29°50%
  47. 7 AM28°50%
  48. 8 AM27°50%

7-day forecast

Tap a day for details

  • Today10/2952% chance of precipitationLow 28°High 46°

    Today: Mostly sunny. High near 46, with temperatures falling to around 44 in the afternoon. Southeast wind 2 to 6 mph.

    Tonight: A chance of snow between midnight and 5am, then areas of fog and a chance of snow. Mostly cloudy. Low around 28, with temperatures rising to around 31 overnight. East northeast wind around 5 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

    Mostly Sunny
  • Fri10/3079% chance of precipitationLow 27°High 43°

    Friday: Areas of fog and a chance of snow before 8am, then snow likely and areas of fog between 8am and 11am, then rain and snow. Cloudy, with a high near 43. Southeast wind around 3 mph. Chance of precipitation is 80%.

    Friday Night: A chance of rain and snow before midnight, then widespread fog and a chance of snow. Mostly cloudy, with a low around 27. East wind around 3 mph. Chance of precipitation is 50%. New snow accumulation of less than half an inch possible.

    Areas Of Fog then Rain And Snow
  • Sat10/3198% chance of precipitationLow 28°High 43°

    Saturday: Widespread fog and a chance of snow before noon, then rain and snow likely. Mostly cloudy, with a high near 43. East southeast wind around 3 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Saturday Night: A slight chance of thunderstorms and rain and snow showers before 9pm, then rain and snow. Cloudy, with a low around 28. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    Widespread Fog then Rain And Snow Likely
  • Sun11/184% chance of precipitationLow 18°High 40°

    Sunday: Rain and snow. Mostly cloudy, with a high near 40. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    Sunday Night: A chance of snow before 11pm. Partly cloudy, with a low around 18. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Rain And Snow
  • Mon11/2Low 23°High 44°

    Monday: Sunny, with a high near 44.

    Monday Night: Partly cloudy, with a low around 23.

    Sunny
  • Tue11/3Low 24°High 48°

    Tuesday: Partly sunny, with a high near 48.

    Tuesday Night: Partly cloudy, with a low around 24.

    Partly Sunny
  • Wed11/4Low 26°High 50°

    Wednesday: Mostly sunny, with a high near 50.

    Wednesday Night: Partly cloudy, with a low around 26.

    Mostly Sunny

Forecast for 43.757, -114.487 from the NWS PIH office, updated 10/29/2026, 4:31 AM PT · Official forecast on weather.gov

From the National Weather Service; may be delayed. Not for life-safety decisions. In an emergency, call 911.

Next 6 hours

NWS hourly forecast

  1. Now20°Mostly Sunny0%3 mph
  2. 10 AM25°Sunny0%2 mph
  3. 11 AM31°Mostly Sunny0%3 mph
  4. 12 PM39°Sunny0%3 mph
  5. 1 PM43°Mostly Sunny0%5 mph
  6. 2 PM44°Mostly Sunny0%5 mph

Hourly details

Next 7 days: temperature chart, feels like, rain and snow amounts, sky cover, wind and gustsShow

Radar and satellite

National radar

NEXRAD (up to 24 hours) and GOES

Latest

Frequently asked questions

What is the high temperature today in Ketchum, ID 83340?
The National Weather Service forecast for today calls for a high near 46°F. Mostly Sunny.
Will it rain in Ketchum, ID 83340 in the next 24 hours?
The hourly forecast shows a 52% chance of precipitation around 10/30/2026, 5:00 AM MDT.
What time is sunrise and sunset in Ketchum, ID 83340 today?
Sunrise is about 8:10 AM MDT and sunset is about 6:32 PM MDT (calculated for the center of the area, within a few minutes).
What is the normal October weather in Ketchum, ID 83340?
At Ketchum Rs, the 1991 to 2020 normal high in October is 56°F and the normal low is 28°F.

Nearby hazards

Idaho hazards

Severe storm and flash flood outlooks, expected rain, river flooding and wildfires near this area

  • Severe storm outlook today:No thunderstorm risk area over this locationOutlook map
  • Excessive rainfall outlook (flash flood risk):Could not check the Weather Prediction Center outlook right now.
  • River gauges within 40 miles at or above flood stage: None reported
  • Active wildfires within 50 miles: East Fork Fire (266 acres)

UV and air quality forecast

EPA and AirNow

AQI forecast today (Ketchum)
11GoodPM2.5
AQI forecast tomorrow (Ketchum)
14GoodPM2.5

UV index guide · Air quality

Drought

By county

Blaine County, week of 10/20/2026

69% of the county is in moderate drought or worse, 27% in extreme drought or worse.

Sun and moon

Local time, center of the area

Sunrise
8:10 AM
Sunset
6:32 PM
Daylight
10 hr 22 min
Moon
Waning Gibbous 87% lit
First light (civil dawn)
7:40 AM
Last light (civil dusk)
7:02 PM
Moonrise
8:54 PM
Moonset
12:39 PM

Normal October weather

Climate

Normal October high 56°, low 28°, precipitation 1.40 in for the month. 1991 to 2020 normals at Ketchum Rs, 8 mi away.

Other places nearby

Data sources

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About this data

Weather and emergencies: Weather, air quality and hazard information on this page is delayed and may be incomplete. It is not a substitute for official warnings. Always follow the National Weather Service, local emergency management and public safety officials. In an emergency, call 911. For evacuation orders, use your local official alert system.

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