Water Temperature of the Kootenai River in Porthill, ID

Current Water Temperature

59.9°F

Measurement Time: Friday, September 12, 2025, 12:45 AM PDT

Temperature Locations

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Local Points of Interest

Boundary Creek; Rykert Creek

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Kootenai River

Station Name: KOOTENAI RIVER AT PORTHILL ID
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 1,749 feet / 533 meters

Nearest Address:
207 Tavern Farm Rd
Porthill, ID 83805
Boundary County

GPS Coordinates: 48.99638889, -116.5075

Nearby Water Temperatures

Kootenai River, Copeland, ID (7.9 mi)
Kootenai River, Bonners Ferry, ID (15.1 mi)
Kootenai River, Bonners Ferry, ID (22.4 mi)
Kootenai River, Troy, MT (33.5 mi)
Pend Oreille River, Metaline Falls, WA (38.2 mi)
Pend Oreille River, Metaline Falls, WA (38.4 mi)
South Fork Flathead River, Columbia Falls, MT (121.0 mi)
Okanogan River, Oroville, WA (132.2 mi)
Osoyoos Lake, Oroville, WA (133.0 mi)
Similkameen River , Nighthawk, WA (141.0 mi)
Okanogan River, Malott, WA (154.1 mi)
North Fork Clearwater River, Pierce, ID (154.5 mi)
Columbia River, Bridgeport, WA (159.9 mi)
Andrews Creek, Mazama, WA (165.6 mi)
Columbia River, Azwell, WA (169.9 mi)

Weather for Porthill, Idaho

Current Weather

63.1°F
Sunny
Conditions: Sunny
Humidity: 58%
Feels Like: 63.1°F
Wind: WNW 2.2 mph
Wind Gusts: 6.7 mph
Pressure: 29.97 in
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 6 mi
UV Index: 0.4

Five Day Weather Forecast

Sunny
Fri
H: 80°F
L: 57°F
Sunny
Sat
H: 80°F
L: 50°F
Sunny
Sun
H: 79°F
L: 51°F
Patchy rain nearby
Mon
H: 72°F
L: 44°F
Patchy rain nearby
Tue
H: 76°F
L: 46°F

Air Quality

AQI: 2 - Moderate
PM2.5: 28.49 μg/m3
PM10: 30.34 μg/m3
Carbon Monoxide: 364.45 μg/m3
Nitrogen Dioxide: 1.3 μg/m3
Sulphur Dioxide: 1.11 μg/m3
Ozone: 116 μg/m3

Astronomical

Sunrise: 6:19 AM
Sun Transit: 12:42 AM
Sunset: 7:04 PM
Daylight: 12 hrs 45 mins
Moonrise: 9:04 PM
Moon Transit: 4:40 AM
Moonset: 1:08 PM
Moon Phase: Waning Gibbous
Moon Illumination: 67.4%

Best Times for Fishing or Hunting

Major Periods

4:10 AM - 6:40 AM
12:59 AM - 3:29 PM

Minor Periods

8:34 PM - 10:04 PM
12:38 AM - 2:08 PM

Action Rating: 3 out of 5

Air Quality Alert issued September 10 at 11:45AM PDT by NWS Spokane WA

Non-Weather Emergency Message. Not sent to IPAWS.

Effective: Wed September 10, 2025, 11:45 AM
Expires: Mon September 15, 2025, 12:00 PM

An Air Quality Alert has been issued by the following agencies: Washington Department of Ecology An Air Quality Alert has been issued for Chelan, Ferry, Pend Oreille, and Stevens County until further notice due to current and expected wildfire smoke from regional fires. Particulate matter (PM2.5) levels may reach unhealthy levels in areas closest to active fires and Unhealthy for Sensitive Groups elsewhere in the region. When air quality is unhealthy, everyone should reduce exposure. Limit time outside, avoid strenous outdoor activity, and follow temps for cleaner indoor air.


Air Quality Alert issued September 10 at 11:45AM PDT by NWS Spokane WA

Non-Weather Emergency Message. Not sent to IPAWS.

Effective: Wed September 10, 2025, 11:45 AM
Expires: Mon September 15, 2025, 12:00 PM

An Air Quality Alert has been issued by the following agencies: Washington Department of Ecology An Air Quality Alert has been issued for Chelan, Ferry, Pend Oreille, and Stevens County until further notice due to current and expected wildfire smoke from regional fires. Particulate matter (PM2.5) levels may reach unhealthy levels in areas closest to active fires and Unhealthy for Sensitive Groups elsewhere in the region. When air quality is unhealthy, everyone should reduce exposure. Limit time outside, avoid strenous outdoor activity, and follow temps for cleaner indoor air.


Friday, September 12, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 66.7°F
Average Humidity: 59%
Chance of Rain: 0%
Wind: 6.9 mph
UV Index: 1

Air Quality

AQI: 2 - Moderate
PM2.5: 23.13 μg/m3
PM10: 26.14 μg/m3
Carbon Monoxide: 364.08 μg/m3
Nitrogen Dioxide: 11.54 μg/m3
Sulphur Dioxide: 1.23 μg/m3
Ozone: 92.4 μg/m3

Astronomical

Sunrise: 6:19 AM
Sun Transit: 12:42 AM
Sunset: 7:04 PM
Daylight: 12 hrs 45 mins
Moonrise: 9:04 PM
Moon Transit: 4:40 AM
Moonset: 1:08 PM
Moon Phase: Waning Gibbous
Moon Illumination: 67.4%

Best Times for Fishing or Hunting

Major Periods

4:10 AM - 6:40 AM
12:59 AM - 3:29 PM

Minor Periods

8:34 PM - 10:04 PM
12:38 AM - 2:08 PM

Action Rating: 3 out of 5

Saturday, September 13, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 63°F
Average Humidity: 70%
Chance of Rain: 0%
Wind: 4.3 mph
UV Index: 1.1

Air Quality

AQI: 2 - Moderate
PM2.5: 28.45 μg/m3
PM10: 30.1 μg/m3
Carbon Monoxide: 433.71 μg/m3
Nitrogen Dioxide: 9.49 μg/m3
Sulphur Dioxide: 0.84 μg/m3
Ozone: 93.16 μg/m3

Astronomical

Sunrise: 6:21 AM
Sun Transit: 12:41 AM
Sunset: 7:02 PM
Daylight: 12 hrs 42 mins
Moonrise: 9:49 PM
Moon Transit: 5:40 AM
Moonset: 2:30 PM
Moon Phase: Waning Gibbous
Moon Illumination: 56.4%

Best Times for Fishing or Hunting

Major Periods

5:10 AM - 7:40 AM
2:00 PM - 4:30 PM

Minor Periods

9:19 PM - 10:49 PM
2:00 PM - 3:30 PM

Action Rating: 2 out of 5

Sunday, September 14, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 65.3°F
Average Humidity: 58%
Chance of Rain: 0%
Wind: 9.4 mph
UV Index: 1.2

Air Quality

AQI: 2 - Moderate
PM2.5: 30.38 μg/m3
PM10: 32.65 μg/m3
Carbon Monoxide: 361.86 μg/m3
Nitrogen Dioxide: 12.45 μg/m3
Sulphur Dioxide: 1.2 μg/m3
Ozone: 98.72 μg/m3

Astronomical

Sunrise: 6:22 AM
Sun Transit: 12:41 AM
Sunset: 7:00 PM
Daylight: 12 hrs 38 mins
Moonrise: 10:49 PM
Moon Transit: 6:42 AM
Moonset: 3:39 PM
Moon Phase: Last Quarter
Moon Illumination: 45.1%

Best Times for Fishing or Hunting

Major Periods

6:12 AM - 8:42 AM
3:02 PM - 5:32 PM

Minor Periods

10:19 PM - 11:49 PM
3:09 PM - 4:39 PM

Action Rating: 3 out of 5

Monday, September 15, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 57.7°F
Average Humidity: 75%
Chance of Rain: 85%
Wind: 6 mph
UV Index: 0

Air Quality

AQI: 2 - Moderate
PM2.5: 29.07 μg/m3
PM10: 31.15 μg/m3
Carbon Monoxide: 322.27 μg/m3
Nitrogen Dioxide: 14.61 μg/m3
Sulphur Dioxide: 1.24 μg/m3
Ozone: 89.72 μg/m3

Astronomical

Sunrise: 6:23 AM
Sun Transit: 12:41 AM
Sunset: 6:58 PM
Daylight: 12 hrs 35 mins
Moonrise: 12:01 PM
Moon Transit: 7:43 AM
Moonset: 4:32 PM
Moon Phase: Last Quarter
Moon Illumination: 34.0%

Best Times for Fishing or Hunting

Major Periods

7:13 AM - 9:43 AM
4:02 PM - 6:32 PM

Minor Periods

12:00 AM - 12:00 AM
4:02 PM - 5:32 PM

Action Rating: 3 out of 5

Tuesday, September 16, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 59°F
Average Humidity: 76%
Chance of Rain: 79%
Wind: 3.8 mph
UV Index: 4

Air Quality

AQI: 2 - Moderate
PM2.5: 39.7 μg/m3
PM10: 42.68 μg/m3
Carbon Monoxide: 446.85 μg/m3
Nitrogen Dioxide: 16.79 μg/m3
Sulphur Dioxide: 1.14 μg/m3
Ozone: 74.46 μg/m3

Astronomical

Sunrise: 6:25 AM
Sun Transit: 12:40 AM
Sunset: 6:56 PM
Daylight: 12 hrs 31 mins
Moonrise: 12:01 AM
Moon Transit: 8:42 AM
Moonset: 5:09 PM
Moon Phase: Last Quarter
Moon Illumination: 23.8%

Best Times for Fishing or Hunting

Major Periods

8:12 AM - 10:42 AM
5:00 PM - 7:30 PM

Minor Periods

4:39 PM - 6:09 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

The times presented here are based upon the solunar theory, which is the idea that the movements of fish and other animals are affected by the location of the sun and moon. The major periods are believed to be the times of the greatest animal activity and occur when the moon is directly overhead or underfoot (lunar transits). The minor periods also see increased activity and occur when the moon is rising or setting. The strongest activity occurs during full or new moons, and the weakest during quarter or three quarter moons. This is indicated by the Action Rating.

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