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Sweetwater, ID Weather

Today: Mostly Cloudy, high 55°F, low 35°F. Hourly and 10-day forecast from the National Weather Service. Times are local (PDT).

Sweetwater, ID current weather

53°F

Mostly Cloudy

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

H 55° / L 35°

  • No rain expected in the next 12 hours

No recent station report. NWS hourly forecast updated 10/30/2026, 11:32 AM PT

Hourly forecast

NWS, updated 10/30/2026, 11:32 AM PT

  1. Now53°
  2. 1 PM55°
  3. 2 PM55°
  4. 3 PM55°
  5. 4 PM55°
  6. 5 PM54°
  7. 6 PM51°
  8. 7 PM50°
  9. 8 PM47°
  10. 9 PM45°
  11. 10 PM43°
  12. 11 PM42°
  13. 12 AM41°Sat
  14. 1 AM40°
  15. 2 AM39°
  16. 3 AM38°
  17. 4 AM38°
  18. 5 AM38°
  19. 6 AM37°
  20. 7 AM36°
  21. 8 AM36°
  22. 9 AM39°
  23. 10 AM45°
  24. 11 AM48°15%
  25. 12 PM52°15%
  26. 1 PM55°15%
  27. 2 PM57°15%
  28. 3 PM57°15%
  29. 4 PM57°15%
  30. 5 PM55°16%
  31. 6 PM53°16%
  32. 7 PM51°16%
  33. 8 PM48°16%
  34. 9 PM46°16%
  35. 10 PM45°16%
  36. 11 PM44°46%
  37. 12 AM43°46%Sun
  38. 1 AM43°46%
  39. 1 AM42°46%
  40. 2 AM41°46%
  41. 3 AM41°46%
  42. 4 AM41°61%
  43. 5 AM40°61%
  44. 6 AM39°61%
  45. 7 AM38°61%
  46. 8 AM40°61%
  47. 9 AM43°61%
  48. 10 AM47°34%

10-day forecast

Tap a day for details

  • Today10/30Low 35°High 55°

    This Afternoon: Mostly cloudy, with a high near 55. Northwest wind around 2 mph.

    Tonight: Mostly cloudy. Low around 35, with temperatures rising to around 38 overnight. Southwest wind 0 to 5 mph.

    Mostly Cloudy
  • Sat10/3161% chance of precipitationLow 37°High 57°

    Saturday: A slight chance of rain showers after 11am. Partly sunny. High near 57, with temperatures falling to around 55 in the afternoon. Northeast wind around 2 mph. Chance of precipitation is 20%.

    Saturday Night: Rain showers likely. Mostly cloudy, with a low around 37. Southwest wind around 1 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.

    Slight Chance Rain Showers
  • Sun11/161% chance of precipitationLow 32°High 51°

    Sunday: Rain showers likely before 4pm. Mostly cloudy, with a high near 51. West wind 0 to 5 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.

    Sunday Night: Partly cloudy, with a low around 32.

    Rain Showers Likely
  • Mon11/2Low 34°High 55°

    Monday: Mostly sunny, with a high near 55.

    Monday Night: Mostly cloudy, with a low around 34.

    Mostly Sunny
  • Tue11/3Low 34°High 57°

    Tuesday: Partly sunny, with a high near 57.

    Tuesday Night: Mostly cloudy, with a low around 34.

    Partly Sunny
  • Wed11/411% chance of precipitationLow 35°High 57°

    Wednesday: Mostly sunny, with a high near 57.

    Wednesday Night: Partly cloudy, with a low around 35.

    Mostly Sunny
  • Thu11/517% chance of precipitationLow 36°High 58°

    Thursday: A slight chance of rain showers between 10am and 4pm. Partly sunny, with a high near 58. Chance of precipitation is 20%.

    Thursday Night: A slight chance of rain showers after 4am. Mostly cloudy, with a low around 36. Chance of precipitation is 20%.

    Slight Chance Rain Showers
  • Fri11/6Model blend27% chance of precipitationLow 40°High 56°

    Friday: Partly cloudy, slight chance of rain. High near 56°. Low that night near 40°.

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

  • Sat11/7Model blend18% chance of precipitationLow 40°High 57°

    Saturday: Partly cloudy. High near 57°. Low that night near 40°.

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

  • Sun11/8Model blend19% chance of precipitationLow 42°High 58°

    Sunday: Partly cloudy, slight chance of rain. High near 58°. Low that night near 42°. About 0.03 in of precipitation.

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

Forecast for 46.364, -116.794 from the NWS OTX office, updated 10/30/2026, 11:32 AM PT · Official forecast on weather.gov

Days 8 to 10: NOAA National Blend of Models, station KLWS (Lewiston/Nez Perce Cnty, 11 mi), model run 10/30/2026, 7:00 AM 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. Now53°Mostly Cloudy0%2 mph
  2. 1 PM55°Mostly Cloudy0%2 mph
  3. 2 PM55°Mostly Cloudy0%2 mph
  4. 3 PM55°Mostly Cloudy0%2 mph
  5. 4 PM55°Mostly Cloudy0%2 mph
  6. 5 PM54°Mostly Cloudy2%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 high temperature today in Sweetwater, ID?
The National Weather Service forecast for this afternoon calls for a high near 55°F. Mostly Cloudy.
Will it rain in Sweetwater, 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 is the 10-day forecast for Sweetwater, ID?
The first 7 days come from the National Weather Service forecast. Days 8 to 10 (Nov 6 to Nov 8) come from the NOAA National Blend of Models, with highs of 56°F to 58°F. Model guidance this far out often changes.
What time is sunrise and sunset in Sweetwater, ID today?
Sunrise is about 7:26 AM PDT and sunset is about 5:35 PM PDT (calculated for the center of the area, within a few minutes).
What is the normal October weather in Sweetwater, ID?
At Lewiston Nez Perce CO AP, the 1991 to 2020 normal high in October is 63°F and the normal low is 42°F.

Rain and snow totals

Next 3 days, NWS forecast grid

Rain (liquid)
0.05 in
Snow
0.00 in
Ice
0.00 in

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 today (Lewiston)
47GoodPM2.5
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
7:26 AM
Sunset
5:35 PM
Daylight
10 hr 9 min
Moon
Waning Gibbous 77% lit
First light (civil dawn)
6:54 AM
Last light (civil dusk)
6:06 PM
Moonrise
9:04 PM
Moonset
1:02 PM

Normal October weather

Climate

Normal October high 63°, low 42°, precipitation 1.08 in for the month. 1991 to 2020 normals at Lewiston Nez Perce CO AP, 11 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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