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Salmon, ID Weather

It is 51°F and clear in Salmon, ID, observed at 5:56 PM MDT. Tonight: Mostly Cloudy, low 28°F. Hourly and 7-day forecast from the National Weather Service. Times are local (MDT).

Salmon, ID current weather

51°F

Clear

H -- / L 28°Feels like 51°

  • No rain expected in the next 12 hours

Observed at Salmon, Lemhi County Airport (4 mi away), 10/29/2026, 5:56 PM MDT

Hourly forecast

NWS, updated 10/29/2026, 1:01 PM PT

  1. Now49°
  2. 7 PM45°
  3. 8 PM40°
  4. 9 PM37°
  5. 10 PM36°
  6. 11 PM34°
  7. 12 AM33°Fri
  8. 1 AM32°
  9. 2 AM32°
  10. 3 AM30°
  11. 4 AM30°
  12. 5 AM30°
  13. 6 AM29°
  14. 7 AM30°19%
  15. 8 AM30°26%
  16. 9 AM32°18%
  17. 10 AM37°14%
  18. 11 AM43°12%
  19. 12 PM46°
  20. 1 PM49°
  21. 2 PM52°13%
  22. 3 PM52°25%
  23. 4 PM53°25%
  24. 5 PM52°32%
  25. 6 PM49°36%
  26. 7 PM47°31%
  27. 8 PM43°
  28. 9 PM41°
  29. 10 PM40°
  30. 11 PM39°
  31. 12 AM38°Sat
  32. 1 AM38°
  33. 2 AM37°
  34. 3 AM36°
  35. 4 AM35°
  36. 5 AM34°
  37. 6 AM33°
  38. 7 AM32°
  39. 8 AM33°
  40. 9 AM35°
  41. 10 AM39°
  42. 11 AM43°
  43. 12 PM47°15%
  44. 1 PM50°15%
  45. 2 PM52°15%
  46. 3 PM53°15%
  47. 4 PM53°15%
  48. 5 PM52°15%

7-day forecast

Tap a day for details

  • Today10/29Low 28°High

    Tonight: Mostly cloudy, with a low around 28. South southeast wind 0 to 6 mph.

    Mostly Cloudy
  • Fri10/3036% chance of precipitationLow 31°High 54°

    Friday: A chance of snow between 7am and 9am, then a chance of rain and snow. Mostly cloudy, with a high near 54. East southeast wind around 1 mph. Chance of precipitation is 30%.

    Friday Night: A chance of rain before 8pm. Mostly cloudy, with a low around 31. Southwest wind around 2 mph. Chance of precipitation is 40%.

    Chance Light Snow then Chance Rain And Snow
  • Sat10/3183% chance of precipitationLow 31°High 54°

    Saturday: A slight chance of rain after noon. Mostly cloudy, with a high near 54. Southeast wind around 1 mph. Chance of precipitation is 20%.

    Saturday Night: Rain. Mostly cloudy, with a low around 31. Southeast wind around 1 mph. Chance of precipitation is 80%. New rainfall amounts less than a tenth of an inch possible.

    Mostly Cloudy then Slight Chance Light Rain
  • Sun11/186% chance of precipitationLow 28°High 49°

    Sunday: Rain. Cloudy, with a high near 49. Chance of precipitation is 90%. New rainfall amounts less than a tenth of an inch possible.

    Sunday Night: A chance of rain before 5am. Mostly cloudy, with a low around 28.

    Light Rain
  • Mon11/2Low 25°High 50°

    Monday: Partly sunny, with a high near 50.

    Monday Night: Mostly cloudy, with a low around 25.

    Partly Sunny
  • Tue11/3Low 25°High 52°

    Tuesday: Partly sunny, with a high near 52.

    Tuesday Night: Mostly cloudy, with a low around 25.

    Partly Sunny
  • Wed11/4Low 26°High 54°

    Wednesday: Mostly sunny, with a high near 54.

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

    Mostly Sunny
  • Thu11/514% chance of precipitationLow High 57°

    Thursday: Mostly sunny, with a high near 57.

    Mostly Sunny

Forecast for 45.175, -113.894 from the NWS MSO office, updated 10/29/2026, 1:01 PM 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. Now49°Mostly Cloudy0%2 mph
  2. 7 PM45°Mostly Cloudy0%2 mph
  3. 8 PM40°Mostly Cloudy0%3 mph
  4. 9 PM37°Mostly Cloudy0%6 mph
  5. 10 PM36°Mostly Cloudy0%5 mph
  6. 11 PM34°Mostly Cloudy0%3 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 weather in Salmon, ID right now?
The latest observation from Salmon, Lemhi County Airport was 51°F and clear, reported at 10/29/2026, 5:56 PM MDT.
Will it rain in Salmon, ID in the next 24 hours?
The NWS hourly forecast does not show any hour with a 50% or higher chance of precipitation in the next 24 hours.
What time is sunrise and sunset in Salmon, ID today?
Sunrise is about 8:10 AM MDT and sunset is about 6:27 PM MDT (calculated for the center of the area, within a few minutes).
What is the normal October weather in Salmon, ID?
At Salmon-Ksra, the 1991 to 2020 normal high in October is 58°F and the normal low is 31°F.

Rain and snow totals

Next 3 days, NWS forecast grid

Rain (liquid)
0.11 in
Snow
0.00 in
Ice
--

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: Sand Creek Fire (35,520 acres), Bobcat Lakes Fire (10,896 acres)

UV and air quality forecast

EPA and AirNow

AQI forecast tomorrow (Salmon)
39GoodPM2.5
AQI forecast tomorrow (Salmon)
42GoodPM2.5

UV index guide · Air quality

Drought

By county

Lemhi County, week of 10/27/2026

5% of the county is abnormally dry. No drought.

Sun and moon

Local time, center of the area

Sunrise
8:10 AM
Sunset
6:27 PM
Daylight
10 hr 17 min
Moon
Waning Gibbous 84% lit
First light (civil dawn)
7:40 AM
Last light (civil dusk)
6:58 PM
Moonrise
8:45 PM
Moonset
12:44 PM

Normal October weather

Climate

Normal October high 58°, low 31°, precipitation 0.81 in for the month. 1991 to 2020 normals at Salmon-Ksra, 0 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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