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Sweetwater, ID 83501 Weather

Tonight: Mostly Cloudy, low 37°F. Hourly and 10-day forecast from the National Weather Service. Times are local (PDT).

Sweetwater, ID 83501 current weather

40°F

Mostly Cloudy

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

H -- / L 37°

  • No rain expected in the next 12 hours

No recent station report. NWS hourly forecast updated 10/29/2026, 4:26 PM PT

Hourly forecast

NWS, updated 10/29/2026, 4:26 PM PT

  1. Now40°
  2. 9 PM40°
  3. 10 PM40°
  4. 11 PM39°
  5. 12 AM39°Fri
  6. 1 AM39°
  7. 2 AM39°
  8. 3 AM38°
  9. 4 AM38°
  10. 5 AM38°
  11. 6 AM37°
  12. 7 AM38°
  13. 8 AM38°
  14. 9 AM39°
  15. 10 AM41°
  16. 11 AM43°
  17. 12 PM45°
  18. 1 PM47°
  19. 2 PM47°
  20. 3 PM48°
  21. 4 PM47°
  22. 5 PM45°14%
  23. 6 PM43°14%
  24. 7 PM41°14%
  25. 8 PM41°14%
  26. 9 PM40°14%
  27. 10 PM40°14%
  28. 11 PM39°
  29. 12 AM39°Sat
  30. 1 AM37°
  31. 2 AM37°
  32. 3 AM36°
  33. 4 AM36°
  34. 5 AM36°
  35. 6 AM36°
  36. 7 AM36°
  37. 8 AM36°
  38. 9 AM37°
  39. 10 AM39°
  40. 11 AM41°
  41. 12 PM44°
  42. 1 PM46°
  43. 2 PM47°
  44. 3 PM47°
  45. 4 PM47°
  46. 5 PM46°26%
  47. 6 PM45°26%
  48. 7 PM44°26%

10-day forecast

Tap a day for details

  • Today10/29Low 37°High

    Tonight: Mostly cloudy, with a low around 37. Southeast wind around 3 mph.

    Mostly Cloudy
  • Fri10/3014% chance of precipitationLow 36°High 49°

    Friday: Mostly cloudy. High near 49, with temperatures falling to around 45 in the afternoon. West wind around 5 mph.

    Friday Night: Mostly cloudy, with a low around 36. Northeast wind 1 to 5 mph.

    Mostly Cloudy
  • Sat10/3153% chance of precipitationLow 37°High 48°

    Saturday: A chance of rain showers after 5pm. Partly sunny, with a high near 48. Northeast wind around 3 mph. Chance of precipitation is 30%.

    Saturday Night: A chance of rain showers. Mostly cloudy, with a low around 37. Northwest wind around 3 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.

    Partly Sunny then Chance Rain Showers
  • Sun11/153% chance of precipitationLow 36°High 41°

    Sunday: A chance of rain showers before 10am, then a chance of rain and snow showers between 10am and 4pm. Mostly cloudy, with a high near 41. Chance of precipitation is 50%.

    Sunday Night: Mostly cloudy, with a low around 36.

    Chance Rain And Snow Showers
  • Mon11/2Low 39°High 46°

    Monday: Mostly sunny, with a high near 46.

    Monday Night: Mostly cloudy, with a low around 39.

    Mostly Sunny
  • Tue11/3Low 38°High 48°

    Tuesday: Partly sunny, with a high near 48.

    Tuesday Night: Partly cloudy, with a low around 38.

    Partly Sunny
  • Wed11/4Low 39°High 50°

    Wednesday: Mostly sunny, with a high near 50.

    Wednesday Night: Partly cloudy, with a low around 39.

    Mostly Sunny
  • Thu11/515% chance of precipitationLow High 52°

    Thursday: A slight chance of rain showers between 10am and 4pm. Partly sunny, with a high near 52. Chance of precipitation is 20%.

    Slight Chance Rain Showers
  • Fri11/6Model blend14% chance of precipitationLow 38°High 54°

    Friday: Partly cloudy. High near 54°. Low that night near 38°.

    Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.

  • Sat11/7Model blend12% chance of precipitationLow 39°High 55°

    Saturday: Partly cloudy. High near 55°. Low that night near 39°.

    Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.

Forecast for 46.180, -116.873 from the NWS OTX office, updated 10/29/2026, 4:26 PM PT · Official forecast on weather.gov

Days 9 to 10: NOAA National Blend of Models, station KLWS (Lewiston/Nez Perce Cnty, 15 mi), model run 10/29/2026, 7:00 PM PDT

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. Now40°Mostly Cloudy1%3 mph
  2. 9 PM40°Mostly Cloudy1%3 mph
  3. 10 PM40°Mostly Cloudy1%3 mph
  4. 11 PM39°Mostly Cloudy1%3 mph
  5. 12 AM39°Mostly Cloudy1%3 mph
  6. 1 AM39°Mostly Cloudy1%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

Will it rain in Sweetwater, ID 83501 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 is the 10-day forecast for Sweetwater, ID 83501?
The first 8 days come from the National Weather Service forecast. Days 9 to 10 (Nov 6 to Nov 7) come from the NOAA National Blend of Models, with highs of 54°F to 55°F. Model guidance this far out often changes.
What time is sunrise and sunset in Sweetwater, ID 83501 today?
Sunrise is about 7:24 AM PDT and sunset is about 5:37 PM PDT (calculated for the center of the area, within a few minutes).
What is the normal October weather in Sweetwater, ID 83501?
At Winchester, the 1991 to 2020 normal high in October is 56°F and the normal low is 35°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 (Lewiston)
38GoodPM2.5
AQI forecast tomorrow (Lewiston)
51ModeratePM2.5

UV index guide · Air quality

Drought

By county

Nez Perce County, week of 10/27/2026

100% of the county is in moderate drought or worse.

Sun and moon

Local time, center of the area

Sunrise
7:24 AM
Sunset
5:37 PM
Daylight
10 hr 13 min
Moon
Waning Gibbous 83% lit
First light (civil dawn)
6:53 AM
Last light (civil dusk)
6:08 PM
Moonrise
7:52 PM
Moonset
12:03 PM

Normal October weather

Climate

Normal October high 56°, low 35°, precipitation 1.84 in for the month. 1991 to 2020 normals at Winchester, 13 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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