Water Temperature of the Kootenai River in Porthill, ID

Current Water Temperature

40.3°F

Measurement Time: Tuesday, March 24, 2026, 11:45 PM PDT

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

45.9°F
Sunny
Sunny
44.2°F
39°F
57%
SW 3.8 mph
8 mph
33.8°F
30.6°F
0 in
0%
6 mi
1012 mbar
0

Five Day Weather Forecast

Patchy rain nearby
Wed
H: 48°F
L: 33°F
Sunny
Thu
H: 41°F
L: 24°F
Sunny
Fri
H: 51°F
L: 18°F
Partly Cloudy
Sat
H: 54°F
L: 24°F
Patchy rain nearby
Sun
H: 47°F
L: 31°F

Air Quality

AQI: 1 - Good
PM2.5: 1.85 μg/m3
PM10: 2.45 μg/m3
Carbon Monoxide: 139.85 μg/m3
Nitrogen Dioxide: 1.15 μg/m3
Sulphur Dioxide: 1.25 μg/m3
Ozone: 105 μg/m3

Astronomical

Sunrise: 6:38 AM
Sun Transit: 12:00 AM
Sunset: 7:07 PM
Daylight: 12 hrs 29 mins
Moonrise: 10:21 AM
Moon Transit: 7:13 PM
Moonset: 3:05 AM
Moon Phase: First Quarter
Moon Illumination: 45.1%

Best Times for Fishing or Hunting

Major Periods

2:30 AM - 5:00 AM
6:43 PM - 9:13 PM

Minor Periods

9:51 AM - 11:21 AM
2:35 AM - 4:05 AM

Action Rating: 3 out of 5

yellow warning - snowfall - in effect

Service Notice – February 2026: The Environment and Climate Change Canada (ECCC) CAP Service undergoes changes from time to time as the business of alerting evolves. For 2026, changes are expected to include... 1) ECCC's initiative to introduce free-form polygons to represent the true threat area of a weather hazard is tentatively set for Spring 2026 deployment. Data changes will appear in CAP following this deployment and 2) 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 – février 2026: Le service du PAC d’Environnement et Changement climatique Canada (ECCC) subit périodiquement des changements à mesure que le système d’alerte évolue. Pour 2026, il y aura des changements incluant... 1) l’initiative d’ECCC visant à introduire des polygones libres pour représenter la véritable zone de menace d’un danger météorologique devrait être déployée provisoirement au printemps 2026. Des changements de données apparaîtront dans le PAC à la suite de ce déploiement et 2) 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: Tue March 24, 2026, 6:13 PM
Expires: Wed March 25, 2026, 3:59 AM

Snowfall with total amounts of 15 to 25 cm is expected. Where: Highway 3 - Paulson Summit to Kootenay Pass When: Now until midnight. Additional Information: A frontal system brought 20 cm of snowfall to the region today. In the wake of the cold front this evening, the snowfall will ease to a few flurries, however, winds will increase with gusts to 70 km/h. Near zero visibility in blowing snow may occur at times. Flurries and blowing snow will end tonight. ### Travel will likely be challenging. Visibility will likely be reduced at times. 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.

Allow extra time for travel. If driving, turn on your lights, slow down and maintain a safe following distance. The site https://shiftintowinter.ca/ reminds drivers to know before you go. Adjust to winter driving behaviour and use winter tires and chains.


yellow warning - snowfall - in effect

Service Notice – February 2026: The Environment and Climate Change Canada (ECCC) CAP Service undergoes changes from time to time as the business of alerting evolves. For 2026, changes are expected to include... 1) ECCC's initiative to introduce free-form polygons to represent the true threat area of a weather hazard is tentatively set for Spring 2026 deployment. Data changes will appear in CAP following this deployment and 2) 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 – février 2026: Le service du PAC d’Environnement et Changement climatique Canada (ECCC) subit périodiquement des changements à mesure que le système d’alerte évolue. Pour 2026, il y aura des changements incluant... 1) l’initiative d’ECCC visant à introduire des polygones libres pour représenter la véritable zone de menace d’un danger météorologique devrait être déployée provisoirement au printemps 2026. Des changements de données apparaîtront dans le PAC à la suite de ce déploiement et 2) 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: Tue March 24, 2026, 6:13 PM
Expires: Wed March 25, 2026, 3:59 AM

Snowfall with total amounts of 15 to 25 cm is expected. ### Travel will likely be challenging. Visibility will likely be reduced at times. 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.

Allow extra time for travel. If driving, turn on your lights, slow down and maintain a safe following distance. The site https://shiftintowinter.ca/ reminds drivers to know before you go. Adjust to winter driving behaviour and use winter tires and chains.


Wednesday, March 25, 2026

Weather Forecast

Patchy rain nearby
48°F
32.7°F
41.8°F
59%
0.05 in
81%
0%
11.2 mph
1.1


Air Quality

AQI: 1 - Good
PM2.5: 3.63 μg/m3
PM10: 4.15 μg/m3
Carbon Monoxide: 156.25 μg/m3
Nitrogen Dioxide: 2.65 μg/m3
Sulphur Dioxide: 1.38 μg/m3
Ozone: 80.52 μg/m3

Astronomical

Sunrise: 6:38 AM
Sun Transit: 12:00 AM
Sunset: 7:07 PM
Daylight: 12 hrs 29 mins
Moonrise: 10:21 AM
Moon Transit: 7:13 PM
Moonset: 3:05 AM
Moon Phase: First Quarter
Moon Illumination: 45.1%

Best Times for Fishing or Hunting

Major Periods

2:30 AM - 5:00 AM
6:43 PM - 9:13 PM

Minor Periods

9:51 AM - 11:21 AM
2:35 AM - 4:05 AM

Action Rating: 3 out of 5

Thursday, March 26, 2026

Weather Forecast

Sunny
41.4°F
23.7°F
34.4°F
53%
0 in
0%
0%
9.8 mph
0.8


Air Quality

AQI: 1 - Good
PM2.5: 2.61 μg/m3
PM10: 3.52 μg/m3
Carbon Monoxide: 149.13 μg/m3
Nitrogen Dioxide: 2.21 μg/m3
Sulphur Dioxide: 1.29 μg/m3
Ozone: 97.64 μg/m3

Astronomical

Sunrise: 6:36 AM
Sun Transit: 12:00 AM
Sunset: 7:08 PM
Daylight: 12 hrs 32 mins
Moonrise: 11:36 AM
Moon Transit: 8:12 PM
Moonset: 3:56 AM
Moon Phase: First Quarter
Moon Illumination: 56.4%

Best Times for Fishing or Hunting

Major Periods

3:32 AM - 6:02 AM
7:42 PM - 10:12 PM

Minor Periods

11:06 AM - 12:36 AM
3:26 AM - 4:56 AM

Action Rating: 2 out of 5

Friday, March 27, 2026

Weather Forecast

Sunny
50.5°F
18.3°F
33.3°F
41%
0 in
0%
0%
2.9 mph
0.8


Air Quality

AQI: 1 - Good
PM2.5: 3.9 μg/m3
PM10: 5.22 μg/m3
Carbon Monoxide: 166.89 μg/m3
Nitrogen Dioxide: 3.66 μg/m3
Sulphur Dioxide: 1.9 μg/m3
Ozone: 98.4 μg/m3

Astronomical

Sunrise: 6:34 AM
Sun Transit: 12:00 AM
Sunset: 7:10 PM
Daylight: 12 hrs 36 mins
Moonrise: 12:58 AM
Moon Transit: 9:07 PM
Moonset: 4:33 AM
Moon Phase: First Quarter
Moon Illumination: 67.4%

Best Times for Fishing or Hunting

Major Periods

4:30 AM - 7:00 AM
8:37 PM - 11:07 PM

Minor Periods

12:28 AM - 1:58 PM
4:03 AM - 5:33 AM

Action Rating: 3 out of 5

Saturday, March 28, 2026

Weather Forecast

Partly Cloudy
54°F
23.6°F
37°F
68%
0 in
0%
0%
2.9 mph
0.7


Air Quality

AQI: 1 - Good
PM2.5: 4.27 μg/m3
PM10: 5.81 μg/m3
Carbon Monoxide: 188.06 μg/m3
Nitrogen Dioxide: 4.85 μg/m3
Sulphur Dioxide: 1.99 μg/m3
Ozone: 93.76 μg/m3

Astronomical

Sunrise: 6:32 AM
Sun Transit: 12:00 AM
Sunset: 7:11 PM
Daylight: 12 hrs 39 mins
Moonrise: 2:20 PM
Moon Transit: 9:58 PM
Moonset: 4:59 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 77.5%

Best Times for Fishing or Hunting

Major Periods

5:24 AM - 7:54 AM
9:28 PM - 11:58 PM

Minor Periods

1:50 PM - 3:20 PM
4:29 AM - 5:59 AM

Action Rating: 2 out of 5

Sunday, March 29, 2026

Weather Forecast

Patchy rain nearby
47.2°F
31.1°F
37.6°F
83%
0.04 in
78%
5%
7.4 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 5.87 μg/m3
PM10: 7.46 μg/m3
Carbon Monoxide: 201.73 μg/m3
Nitrogen Dioxide: 6.07 μg/m3
Sulphur Dioxide: 2.21 μg/m3
Ozone: 89.77 μg/m3

Astronomical

Sunrise: 6:30 AM
Sun Transit: 12:00 AM
Sunset: 7:13 PM
Daylight: 12 hrs 43 mins
Moonrise: 3:39 PM
Moon Transit: 10:45 PM
Moonset: 5:18 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 86.2%

Best Times for Fishing or Hunting

Major Periods

6:13 AM - 8:43 AM
12:00 AM - 12:00 AM

Minor Periods

3:09 PM - 4:39 PM
4:48 AM - 6:18 AM

Action Rating: 4 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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