Water Temperature of the Kootenai River in Porthill, ID

Current Water Temperature

40.3°F

Measurement Time: Friday, January 2, 2026, 3:45 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

31.6°F
Patchy rain nearby
Patchy rain nearby
30.1°F
38.1°F
88%
S 2.2 mph
6.7 mph
31°F
33.7°F
0 in
0%
1 mi
1012 mbar
0.2

Five Day Weather Forecast

Patchy rain nearby
Fri
H: 42°F
L: 26°F
Freezing fog
Sat
H: 36°F
L: 26°F
Moderate or heavy snow showers
Sun
H: 41°F
L: 28°F
Light sleet
Mon
H: 38°F
L: 29°F
Patchy rain nearby
Tue
H: 38°F
L: 29°F

Air Quality

AQI: 1 - Good
PM2.5: 3.25 μg/m3
PM10: 3.35 μg/m3
Carbon Monoxide: 269.85 μg/m3
Nitrogen Dioxide: 7.85 μg/m3
Sulphur Dioxide: 1.25 μg/m3
Ozone: 54 μg/m3

Astronomical

Sunrise: 7:40 AM
Sun Transit: 11:50 AM
Sunset: 4:01 PM
Daylight: 8 hrs 21 mins
Moonrise: 2:54 PM
Moon Transit: 11:46 PM
Moonset: 7:34 AM
Moon Phase: Full
Moon Illumination: 99.2%

Best Times for Fishing or Hunting

Major Periods

7:01 AM - 9:31 AM
12:00 AM - 12:00 AM

Minor Periods

2:24 PM - 3:54 PM
7:04 AM - 8:34 AM

Action Rating: 4 out of 5

special weather statement in effect

Service Notice – November 2025: The Environment and Climate Change Canada (ECCC) CAP Service undergoes changes from time to time as the business of alerting evolves. For 2025, changes are expected to include... 1) ECCC's initiative to upgrade the presentation of alerts into Colour-Coded Weather Alerts is tentatively set for deployment November 26, 2025. Data changes will appear in CAP following this deployment, 2) the alert name ‘extreme cold warning’ will change to ‘cold warning’, 3) two Public zone names will change in Saskatchewan, 4) ECCC's initiative to introduce free-form polygons to represent the true threat area of a weather hazard continues, there will be changes coming to CAP and 5) other minor improvements and corrections. For more information on these changes: https://comm.collab.science.gc.ca/mailman3/hyperkitty/list/dd_info@comm.collab.science.gc.ca/ | Notification de service – novembre 2025: Le service du PAC d’Environnement et Changement climatique Canada (ECCC) subit périodiquement des changements à mesure que le système d’alerte évolue. Pour 2025, il y aura des changements incluant... 1) l'initiative d'ECCC visant à améliorer la présentation des alertes sous forme d'alertes météorologiques codées par couleur est provisoirement prévue pour un déploiement le 26 novembre 2025. Des changements aux données apparaîtront dans le PAC suite à ce déploiement, 2) le nom de l’alerte ‘avertissement de froid extrême’ changera pour ‘avertissement de froid’, 3) deux noms de zones publiques seront modifiés en Saskatchewan, 4) l’initiative d’ECCC visant à introduire des polygones libres pour représenter la véritable zone de menace d’un danger météorologique se poursuit. Des changements seront également apportés au PAC et 5) d’autres améliorations et corrections mineures. Pour plus d’informations sur ces changements: https://comm.collab.science.gc.ca/mailman3/hyperkitty/list/dd_info@comm.collab.science.gc.ca/

Effective: Fri January 2, 2026, 11:10 AM
Expires: Sat January 3, 2026, 3:10 AM

What: Period of freezing rain is likely. Where: - South Okanagan - east of Osoyoos - Boundary - West Kootenay - including Trail, Rossland - Highway 3 - Paulson Summit to Kootenay Pass. When: Saturday morning. Remark: A low pressure system complex off the coast of California will draw warm air and moisture into Southern B.C. interior early Saturday morning. With cold air lingering in the valleys and warm air aloft, conditions are favourable for periods of freezing rain across the region. Elevations between 500 to 1500 metres are likely to have significant freezing rain impacts. Period of freezing rain mixed with snow will change to rain on Saturday afternoon as temperatures rise. - Roads and walkways will likely become icy and slippery - Icy surface could be difficult to detect - Be very careful if walking or driving ### Weather in the mountains can change suddenly resulting in hazardous driving conditions. Road conditions are available at https://www.drivebc.ca/. Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to BCstorm@ec.gc.ca or post reports on X using #BCStorm. For more information about the alerting program, please visit: https://www.canada.ca/en/services/environment/weather/severeweather/weather-alerts/colour-coded-alerts.


Winter Weather Advisory issued January 2 at 3:49AM PST until January 2 at 1:00PM PST by NWS Spokane WA

Effective: Fri January 2, 2026, 3:49 AM
Expires: Fri January 2, 2026, 7:00 AM

* WHAT...Mixed precipitation. Additional snow accumulations up to 3 inches and ice accumulations around a light glaze. * WHERE...Metaline, Tiger, Eastport, Kettle Falls, Fruitland, Bonners Ferry, Flowery Trail Road, Schweitzer Mountain Road, Northport, Metaline Falls, Chewelah, Colville, Athol, Deer Park, Ione, Clark Fork, Orin-Rice Road, Priest River, Sandpoint, Springdale-Hunters Road, and Newport. * WHEN...Until 1 PM PST this afternoon. * IMPACTS...Plan on slippery road conditions. Freezing rain may lead to very slick conditions on untreated roads and surfaces.

Slow down and use caution while traveling. In Idaho, for the latest road information in Idaho, call 5 1 1. In Washington, for the latest travel information in Washington, go to https://wsdot.wa.gov/travel


Friday, January 2, 2026

Weather Forecast

Patchy rain nearby
41.9°F
26.2°F
33°F
86%
0.02 in
87%
4%
1.3 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 3.69 μg/m3
PM10: 3.8 μg/m3
Carbon Monoxide: 254.81 μg/m3
Nitrogen Dioxide: 7.44 μg/m3
Sulphur Dioxide: 1.42 μg/m3
Ozone: 63.48 μg/m3

Astronomical

Sunrise: 7:40 AM
Sun Transit: 11:50 AM
Sunset: 4:01 PM
Daylight: 8 hrs 21 mins
Moonrise: 2:54 PM
Moon Transit: 11:46 PM
Moonset: 7:34 AM
Moon Phase: Full
Moon Illumination: 99.2%

Best Times for Fishing or Hunting

Major Periods

7:01 AM - 9:31 AM
12:00 AM - 12:00 AM

Minor Periods

2:24 PM - 3:54 PM
7:04 AM - 8:34 AM

Action Rating: 4 out of 5

Saturday, January 3, 2026

Weather Forecast

Freezing fog
36.1°F
25.7°F
29.6°F
98%
0 in
0%
0%
2 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 3.34 μg/m3
PM10: 3.39 μg/m3
Carbon Monoxide: 258.65 μg/m3
Nitrogen Dioxide: 6.73 μg/m3
Sulphur Dioxide: 1.25 μg/m3
Ozone: 54.64 μg/m3

Astronomical

Sunrise: 7:40 AM
Sun Transit: 11:50 AM
Sunset: 4:02 PM
Daylight: 8 hrs 22 mins
Moonrise: 4:17 PM
Moon Transit: 12:00 AM
Moonset: 8:27 AM
Moon Phase: Full
Moon Illumination: 99.9%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
8:07 AM - 10:37 AM

Minor Periods

3:47 PM - 5:17 PM
7:57 AM - 9:27 AM

Action Rating: 6 out of 5

Sunday, January 4, 2026

Weather Forecast

Moderate or heavy snow showers
40.8°F
28.4°F
33.7°F
95%
0.18 in
85%
15%
2.7 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 3.54 μg/m3
PM10: 3.79 μg/m3
Carbon Monoxide: 203.13 μg/m3
Nitrogen Dioxide: 4.6 μg/m3
Sulphur Dioxide: 1.29 μg/m3
Ozone: 74.64 μg/m3

Astronomical

Sunrise: 7:40 AM
Sun Transit: 11:51 AM
Sunset: 4:03 PM
Daylight: 8 hrs 23 mins
Moonrise: 5:44 PM
Moon Transit: 12:49 AM
Moonset: 9:03 AM
Moon Phase: Full
Moon Illumination: 98.1%

Best Times for Fishing or Hunting

Major Periods

12:19 AM - 2:49 AM
9:08 AM - 11:38 AM

Minor Periods

5:14 PM - 6:44 PM
8:33 AM - 10:03 AM

Action Rating: 3 out of 5

Monday, January 5, 2026

Weather Forecast

Light sleet
38°F
28.6°F
33.5°F
99%
0.44 in
89%
37%
4.3 mph
0.1


Air Quality

AQI: 1 - Good
PM2.5: 1.4 μg/m3
PM10: 1.51 μg/m3
Carbon Monoxide: 194.01 μg/m3
Nitrogen Dioxide: 3.29 μg/m3
Sulphur Dioxide: 1.11 μg/m3
Ozone: 71.96 μg/m3

Astronomical

Sunrise: 7:39 AM
Sun Transit: 11:51 AM
Sunset: 4:04 PM
Daylight: 8 hrs 25 mins
Moonrise: 7:09 PM
Moon Transit: 1:46 AM
Moonset: 9:29 AM
Moon Phase: Full
Moon Illumination: 93.7%

Best Times for Fishing or Hunting

Major Periods

1:16 AM - 3:46 AM
10:03 AM - 12:33 AM

Minor Periods

6:39 PM - 8:09 PM
8:59 AM - 10:29 AM

Action Rating: 3 out of 5

Tuesday, January 6, 2026

Weather Forecast

Patchy rain nearby
38.2°F
28.9°F
33.1°F
95%
0.07 in
80%
37%
4.7 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 2.09 μg/m3
PM10: 2.19 μg/m3
Carbon Monoxide: 175.21 μg/m3
Nitrogen Dioxide: 4.13 μg/m3
Sulphur Dioxide: 1.23 μg/m3
Ozone: 73.31 μg/m3

Astronomical

Sunrise: 7:39 AM
Sun Transit: 11:52 AM
Sunset: 4:05 PM
Daylight: 8 hrs 26 mins
Moonrise: 8:29 PM
Moon Transit: 2:38 AM
Moonset: 9:48 AM
Moon Phase: Waning Gibbous
Moon Illumination: 87.1%

Best Times for Fishing or Hunting

Major Periods

2:08 AM - 4:38 AM
10:53 AM - 1:23 PM

Minor Periods

7:59 PM - 9:29 PM
9:18 AM - 10:48 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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