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Swan Valley, ID 83449 Weather

It is 48°F in Swan Valley, ID 83449, observed at 8:30 PM MDT. Tonight: Light Rain, low 39°F. Hourly and 7-day forecast from the National Weather Service. Times are local (MDT).

Swan Valley, ID 83449 current weather

48°F

Chance Light Rain

H -- / L 39°Feels like 43°

Observed at Ririe (21.9 mi away), 10/30/2026, 8:30 PM MDT

Hourly forecast

NWS, updated 10/30/2026, 4:31 PM PT

  1. Now46°30%
  2. 10 PM45°44%
  3. 11 PM44°60%
  4. 12 AM43°75%Sat
  5. 1 AM42°64%
  6. 2 AM42°70%
  7. 3 AM42°53%
  8. 4 AM41°53%
  9. 5 AM41°50%
  10. 6 AM41°63%
  11. 7 AM40°54%
  12. 8 AM41°56%
  13. 9 AM41°61%
  14. 10 AM44°65%
  15. 11 AM45°62%
  16. 12 PM46°57%
  17. 1 PM47°70%
  18. 2 PM48°77%
  19. 3 PM50°78%
  20. 4 PM50°58%
  21. 5 PM49°34%
  22. 6 PM48°
  23. 7 PM47°
  24. 8 PM44°
  25. 9 PM43°
  26. 10 PM43°
  27. 11 PM42°
  28. 12 AM41°Sun
  29. 1 AM41°
  30. 1 AM41°34%
  31. 2 AM41°56%
  32. 3 AM40°50%
  33. 4 AM40°65%
  34. 5 AM40°80%
  35. 6 AM39°80%
  36. 7 AM39°80%
  37. 8 AM40°80%
  38. 9 AM42°80%
  39. 10 AM43°80%
  40. 11 AM44°98%
  41. 12 PM44°98%
  42. 1 PM44°98%
  43. 2 PM44°98%
  44. 3 PM44°98%
  45. 4 PM43°98%
  46. 5 PM43°100%
  47. 6 PM43°100%
  48. 7 PM42°100%

7-day forecast

Tap a day for details

  • Today10/3075% chance of precipitationLow 39°High

    Tonight: Rain likely before midnight, then rain and patchy fog. Cloudy. Low around 39, with temperatures rising to around 41 overnight. Southeast wind 2 to 7 mph. Chance of precipitation is 80%.

    Light Rain
  • Sat10/3180% chance of precipitationLow 38°High 50°

    Saturday: Rain likely and patchy fog before noon, then patchy fog and showers and thunderstorms. Mostly cloudy, with a high near 50. Southeast wind around 6 mph. Chance of precipitation is 80%.

    Saturday Night: Rain after 1am. Cloudy. Low around 38, with temperatures rising to around 40 overnight. East southeast wind 5 to 9 mph. Chance of precipitation is 80%.

    Light Rain Likely then Patchy Fog
  • Sun11/1100% chance of precipitationLow 34°High 44°

    Sunday: Rain before 11am, then rain and areas of fog. Cloudy, with a high near 44. South southeast wind 2 to 12 mph, with gusts as high as 21 mph. Chance of precipitation is 100%.

    Sunday Night: Rain and areas of fog before 2am, then areas of fog and rain and snow. Cloudy, with a low around 34. West southwest wind around 7 mph. Chance of precipitation is 100%.

    Light Rain
  • Mon11/255% chance of precipitationLow 30°High 43°

    Monday: Areas of fog and rain and snow likely before 3pm. Partly sunny, with a high near 43. Chance of precipitation is 60%.

    Monday Night: Mostly cloudy, with a low around 30.

    Areas Of Fog
  • Tue11/3Low 31°High 46°

    Tuesday: Mostly sunny, with a high near 46.

    Tuesday Night: Partly cloudy, with a low around 31.

    Mostly Sunny
  • Wed11/416% chance of precipitationLow 32°High 49°

    Wednesday: Partly sunny, with a high near 49.

    Wednesday Night: A slight chance of rain and snow after 5am. Mostly cloudy, with a low around 32. Chance of precipitation is 20%.

    Partly Sunny
  • Thu11/526% chance of precipitationLow 33°High 48°

    Thursday: A slight chance of rain and snow. Partly sunny, with a high near 48. Chance of precipitation is 20%.

    Thursday Night: A slight chance of rain before 11pm, then a chance of rain and snow. Mostly cloudy, with a low around 33. Chance of precipitation is 30%.

    Slight Chance Rain And Snow
  • Fri11/634% chance of precipitationLow High 47°

    Friday: A chance of snow before 11am, then a chance of rain. Mostly cloudy, with a high near 47. Chance of precipitation is 30%.

    Chance Light Snow then Chance Light Rain

Forecast for 43.426, -111.351 from the NWS PIH office, updated 10/30/2026, 4:31 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. Now46°Chance Light Rain30%7 mph
  2. 10 PM45°Chance Light Rain44%7 mph
  3. 11 PM44°Light Rain Likely60%5 mph
  4. 12 AM43°Light Rain75%3 mph
  5. 1 AM42°Light Rain Likely64%3 mph
  6. 2 AM42°Light Rain Likely70%2 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 Swan Valley, ID 83449 right now?
The latest observation from Ririe was 48°F, reported at 10/30/2026, 8:30 PM MDT.
Will it rain in Swan Valley, ID 83449 in the next 24 hours?
The hourly forecast shows a 60% chance of precipitation around 10/30/2026, 11:00 PM MDT.
What time is sunrise and sunset in Swan Valley, ID 83449 today?
Sunrise is about 7:58 AM MDT and sunset is about 6:19 PM MDT (calculated for the center of the area, within a few minutes).
What is the normal October weather in Swan Valley, ID 83449?
At Swan Valley, the 1991 to 2020 normal high in October is 59°F and the normal low is 29°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: None reported

UV and air quality forecast

EPA and AirNow

AQI forecast tomorrow (Idaho Falls)
22GoodPM2.5
AQI forecast tomorrow (Idaho Falls)
21GoodPM2.5

UV index guide · Air quality

Drought

By county

Bonneville County, week of 10/27/2026

96% of the county is in moderate drought or worse.

Sun and moon

Local time, center of the area

Sunrise
7:58 AM
Sunset
6:19 PM
Daylight
10 hr 21 min
Moon
Waning Gibbous 74% lit
First light (civil dawn)
7:29 AM
Last light (civil dusk)
6:48 PM
Moonrise
9:55 PM
Moonset
1:24 PM

Normal October weather

Climate

Normal October high 59°, low 29°, precipitation 1.81 in for the month. 1991 to 2020 normals at Swan Valley, 4 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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