Water Temperature of the Kootenai River in Porthill, ID

Current Water Temperature

40.6°F

Measurement Time: Thursday, January 22, 2026, 11:45 AM PST

Temperature Locations

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Local Points of Interest

Boundary Creek; Rykert Creek

Kootenai River

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

Elevation Above Sea Level: 1,749 feet

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 mi)
Okanogan River, Oroville, WA (132.2 mi)
Osoyoos Lake, Oroville, WA (133 mi)
Similkameen River , Nighthawk, WA (141 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

29.8°F
Clear
Clear
26.7°F
29.6°F
52%
NNE 3.1 mph
3.6 mph
28.5°F
20.7°F
0 in
0%
6 mi
1028 mbar
0

Five Day Weather Forecast

Sunny
Thu
H: 36°F
L: 28°F
Sunny
Fri
H: 25°F
L: 13°F
Sunny
Sat
H: 29°F
L: 6°F
Partly Cloudy
Sun
H: 27°F
L: 6°F
Sunny
Mon
H: 31°F
L: 11°F

Air Quality

AQI: 1 - Good
PM2.5: 8.05 μg/m3
PM10: 8.55 μg/m3
Carbon Monoxide: 166.85 μg/m3
Nitrogen Dioxide: 5.05 μg/m3
Sulphur Dioxide: 1.45 μg/m3
Ozone: 57 μg/m3

Astronomical

Sunrise: 7:28 AM
Sun Transit: 11:57 AM
Sunset: 4:28 PM
Daylight: 9 hrs mins
Moonrise: 9:13 AM
Moon Transit: 12:00 AM
Moonset: 9:13 PM
Moon Phase: Waxing Crescent
Moon Illumination: 15.4%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:00 AM - 12:00 AM

Minor Periods

8:43 PM - 10:13 PM
8:43 AM - 10:13 AM

Action Rating: 2 out of 5

Thursday, January 22, 2026

Weather Forecast

Sunny
35.6°F
28.4°F
31.8°F
74%
0 in
0%
0%
3.1 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 3.19 μg/m3
PM10: 3.22 μg/m3
Carbon Monoxide: 187.65 μg/m3
Nitrogen Dioxide: 5.6 μg/m3
Sulphur Dioxide: 1.04 μg/m3
Ozone: 71.16 μg/m3

Astronomical

Sunrise: 7:28 AM
Sun Transit: 11:57 AM
Sunset: 4:28 PM
Daylight: 9 hrs mins
Moonrise: 9:13 AM
Moon Transit: 12:00 AM
Moonset: 9:13 PM
Moon Phase: Waxing Crescent
Moon Illumination: 15.4%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:00 AM - 12:00 AM

Minor Periods

8:43 PM - 10:13 PM
8:43 AM - 10:13 AM

Action Rating: 2 out of 5

Friday, January 23, 2026

Weather Forecast

Sunny
24.6°F
12.7°F
21.5°F
51%
0 in
0%
0%
3.1 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 5.65 μg/m3
PM10: 6.01 μg/m3
Carbon Monoxide: 178.93 μg/m3
Nitrogen Dioxide: 4.79 μg/m3
Sulphur Dioxide: 1.58 μg/m3
Ozone: 64.52 μg/m3

Astronomical

Sunrise: 7:27 AM
Sun Transit: 11:57 AM
Sunset: 4:29 PM
Daylight: 9 hrs 2 mins
Moonrise: 9:27 AM
Moon Transit: 6:54 AM
Moonset: 10:31 PM
Moon Phase: Waxing Crescent
Moon Illumination: 24.4%

Best Times for Fishing or Hunting

Major Periods

6:24 AM - 8:54 AM
6:24 AM - 8:54 AM

Minor Periods

10:01 PM - 11:31 PM
8:57 AM - 10:27 AM

Action Rating: 2 out of 5

Saturday, January 24, 2026

Weather Forecast

Sunny
29.1°F
6.3°F
17.7°F
65%
0 in
0%
0%
2.5 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 6.7 μg/m3
PM10: 7.17 μg/m3
Carbon Monoxide: 179.17 μg/m3
Nitrogen Dioxide: 7.51 μg/m3
Sulphur Dioxide: 2.05 μg/m3
Ozone: 62.56 μg/m3

Astronomical

Sunrise: 7:26 AM
Sun Transit: 11:58 AM
Sunset: 4:31 PM
Daylight: 9 hrs 5 mins
Moonrise: 9:42 AM
Moon Transit: 4:37 PM
Moonset: 11:50 PM
Moon Phase: First Quarter
Moon Illumination: 34.7%

Best Times for Fishing or Hunting

Major Periods

12:04 AM - 2:34 AM
4:07 PM - 6:37 PM

Minor Periods

12:00 AM - 12:00 AM
9:12 AM - 10:42 AM

Action Rating: 3 out of 5

Sunday, January 25, 2026

Weather Forecast

Partly Cloudy
27.3°F
5.9°F
17.4°F
73%
0 in
0%
0%
2 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 7.06 μg/m3
PM10: 7.51 μg/m3
Carbon Monoxide: 208.68 μg/m3
Nitrogen Dioxide: 6.02 μg/m3
Sulphur Dioxide: 2.19 μg/m3
Ozone: 72.96 μg/m3

Astronomical

Sunrise: 7:25 AM
Sun Transit: 11:58 AM
Sunset: 4:33 PM
Daylight: 9 hrs 8 mins
Moonrise: 9:59 AM
Moon Transit: 5:26 PM
Moonset: 12:50 AM
Moon Phase: First Quarter
Moon Illumination: 45.8%

Best Times for Fishing or Hunting

Major Periods

12:52 AM - 3:22 AM
4:56 PM - 7:26 PM

Minor Periods

9:29 AM - 10:59 AM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Monday, January 26, 2026

Weather Forecast

Sunny
31.3°F
10.7°F
19.6°F
71%
0 in
0%
0%
2 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 7.81 μg/m3
PM10: 8.33 μg/m3
Carbon Monoxide: 242.33 μg/m3
Nitrogen Dioxide: 6.3 μg/m3
Sulphur Dioxide: 2.08 μg/m3
Ozone: 71 μg/m3

Astronomical

Sunrise: 7:24 AM
Sun Transit: 11:58 AM
Sunset: 4:34 PM
Daylight: 9 hrs 10 mins
Moonrise: 10:21 AM
Moon Transit: 6:20 PM
Moonset: 1:13 AM
Moon Phase: First Quarter
Moon Illumination: 57.1%

Best Times for Fishing or Hunting

Major Periods

1:43 AM - 4:13 AM
5:50 PM - 8:20 PM

Minor Periods

9:51 AM - 11:21 AM
12:43 AM - 2:13 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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