Water Temperature of the Similkameen River in Nighthawk, WA

Current Water Temperature

71.8°F

Measurement Time: Wednesday, July 15, 2026, 5:30 PM PDT

Temperature Locations

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Local Points of Interest

Ellemeham Wildlife Area

Similkameen River

Station Name: SIMILKAMEEN RIVER NEAR NIGHTHAWK, WA
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 1,165 feet

Nearest Address:
2672 Loomis Oroville Rd
Nighthawk, WA 98827
Okanogan County

GPS Coordinates: 48.98460109, -119.6184098

Nearby Water Temperatures

Osoyoos Lake, Oroville, WA (8.3 mi)
Okanogan River, Oroville, WA (9.7 mi)
Andrews Creek, Mazama, WA (26.4 mi)
Okanogan River, Malott, WA (48.8 mi)
Ruby Creek, Newhalem, WA (64.7 mi)
Columbia River, Bridgeport, WA (67.6 mi)
Big Beaver Creek, Diablo, WA (67.6 mi)
Columbia River, Azwell, WA (72.5 mi)
Skagit River, Newhalem, WA (77.1 mi)
Bacon Creek, Marblemount, WA (85.2 mi)
Cascade River, Marblemount, WA (87.8 mi)
Skagit River, Marblemount, WA (88.2 mi)
Sauk River, Concrete, WA (97 mi)
North Fork Nooksack River, Glacier, WA (101.1 mi)
Sauk River, Darrington, WA (101.7 mi)

Weather for Nighthawk, Washington

Current Weather

74.3°F
Clear
Clear
64.6°F
74.6°F
27%
NW 4.5 mph
9.4 mph
74.3°F
38.7°F
0 in
0%
6 mi
1015 mbar
0

Five Day Weather Forecast

Sunny
Thu
H: 93°F
L: 66°F
Sunny
Fri
H: 89°F
L: 58°F
Sunny
Sat
H: 89°F
L: 52°F
Sunny
Sun
H: 87°F
L: 52°F
Sunny
Mon
H: 92°F
L: 55°F

Air Quality

AQI: 1 - Good
PM2.5: 2.3 μg/m3
PM10: 2.5 μg/m3
Carbon Monoxide: 95 μg/m3
Nitrogen Dioxide: 4.9 μg/m3
Sulphur Dioxide: 0.4 μg/m3
Ozone: 69 μg/m3

Astronomical

Sunrise: 5:12 AM
Sun Transit: 1:04 PM
Sunset: 8:57 PM
Daylight: 15 hrs 45 mins
Moonrise: 8:04 AM
Moon Transit: 3:23 PM
Moonset: 10:25 PM
Moon Phase: New
Moon Illumination: 2.4%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
2:53 PM - 5:23 PM

Minor Periods

9:55 PM - 11:25 PM
7:34 AM - 9:04 AM

Action Rating: 3 out of 5

yellow warning - severe thunderstorm - in effect

Effective: Wed July 15, 2026, 5:13 PM
Expires: Wed July 15, 2026, 8:12 PM

At 5:13 p.m. PDT, Environment Canada meteorologists are tracking a severe thunderstorm capable of producing damaging wind gusts, up to quarter size hail and heavy rain. ### Heavy rain may cause flash flooding and significant reductions to visibility. Weather in the mountains can change suddenly resulting in hazardous driving conditions. Severe thunderstorm warnings are issued when imminent or occurring thunderstorms are expected to produce damaging hail, wind or rain. Road conditions are available at https://www.drivebc.ca/.

Take immediate cover if a thunderstorm approaches. If outside, protect yourself from flying debris and hail. When thunder roars, go indoors! Lightning kills and injures Canadians every year.


yellow warning - severe thunderstorm - in effect

Effective: Wed July 15, 2026, 4:35 PM
Expires: Wed July 15, 2026, 7:34 PM

At 4:35 p.m. PDT, Environment Canada meteorologists are tracking a severe thunderstorm capable of producing damaging wind gusts, up to quarter size hail and heavy rain. This severe thunderstorm is located near Oliver and is moving northeast at 20 km/h. Communities in its path include Oliver, Inkaneep Park, Vaseux Lake Park ### Heavy rain may cause flash flooding and significant reductions to visibility. Weather in the mountains can change suddenly resulting in hazardous driving conditions. Severe thunderstorm warnings are issued when imminent or occurring thunderstorms are expected to produce damaging hail, wind or rain. Road conditions are available at https://www.drivebc.ca/.

Take immediate cover if a thunderstorm approaches. If outside, protect yourself from flying debris and hail. When thunder roars, go indoors! Lightning kills and injures Canadians every year.


yellow warning - severe thunderstorm - in effect

Effective: Wed July 15, 2026, 4:35 PM
Expires: Wed July 15, 2026, 7:34 PM

At 4:35 p.m. PDT, Environment Canada meteorologists are tracking a severe thunderstorm capable of producing damaging wind gusts, up to quarter size hail and heavy rain. ### Heavy rain may cause flash flooding and significant reductions to visibility. Weather in the mountains can change suddenly resulting in hazardous driving conditions. Severe thunderstorm warnings are issued when imminent or occurring thunderstorms are expected to produce damaging hail, wind or rain. Road conditions are available at https://www.drivebc.ca/.

Take immediate cover if a thunderstorm approaches. If outside, protect yourself from flying debris and hail. When thunder roars, go indoors! Lightning kills and injures Canadians every year.


Fire Weather Watch issued July 15 at 11:46AM PDT until July 16 at 11:00PM PDT by NWS Spokane WA

Effective: Wed July 15, 2026, 11:46 AM
Expires: Thu July 16, 2026, 6:15 AM

...ISOLATED TO SCATTERED THUNDERSTORMS WEDNESDAY NIGHT INTO THURSDAY... .One wave of showers and thunderstorms will track south to north through central Washington Wednesday night into Thursday morning. This activity will be a mix of wet and dry thunderstorms with scattered lightning strikes. Rainfall amounts between a trace and a tenth of an inch. As this activity drifts north of Highway 2 Thursday morning, lightning activity is expected to become isolated with rainfall amounts of less than a tenth of an inch. Thunderstorms are expected to redevelop Thursday afternoon and early evening. Coverage will be isolated to scattered. A few storms could be strong during this time with frequent lightning and hail. Gusty outflow winds and new fire starts will be a concern with any thunderstorms from Wednesday night through Thursday evening. * Affected Area: Okanogan Highlands and Kettle Mountains (Zone 699), Colville Reservation (Zone 702) and Okanogan Valley (Zone 703). * Thunderstorms: Isolated thunderstorms Thursday morning with rainfall amounts less than tenth of an inch. Isolated to scattered thunderstorms Thursday afternoon and early evening. Mix of wet and dry thunderstorms some which could produce hail and gusty outflow winds. * Outflow Winds: Outflow winds Thursday morning up to 30 mph. Outflow winds Thursday afternoon near thunderstorms up to 50 mph. * Impacts: New fire starts from lightning. New fires could be impacted by gusty outflow winds.

A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings.


Thursday, July 16, 2026

Weather Forecast

Sunny
93.3°F
65.9°F
80.2°F
26%
0 in
0%
0%
10.3 mph
8.1


Air Quality

AQI: 1 - Good
PM2.5: 2.69 μg/m3
PM10: 3.12 μg/m3
Carbon Monoxide: 95.04 μg/m3
Nitrogen Dioxide: 2.68 μg/m3
Sulphur Dioxide: 0.33 μg/m3
Ozone: 88.63 μg/m3

Astronomical

Sunrise: 5:12 AM
Sun Transit: 1:04 PM
Sunset: 8:57 PM
Daylight: 15 hrs 45 mins
Moonrise: 8:04 AM
Moon Transit: 3:23 PM
Moonset: 10:25 PM
Moon Phase: New
Moon Illumination: 2.4%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
2:53 PM - 5:23 PM

Minor Periods

9:55 PM - 11:25 PM
7:34 AM - 9:04 AM

Action Rating: 3 out of 5

Friday, July 17, 2026

Weather Forecast

Sunny
89.3°F
58°F
73.9°F
33%
0 in
1%
0%
12.3 mph
8.5


Air Quality

AQI: 1 - Good
PM2.5: 3.88 μg/m3
PM10: 4.44 μg/m3
Carbon Monoxide: 101.17 μg/m3
Nitrogen Dioxide: 2.3 μg/m3
Sulphur Dioxide: 0.31 μg/m3
Ozone: 101.67 μg/m3

Astronomical

Sunrise: 5:13 AM
Sun Transit: 1:04 PM
Sunset: 8:56 PM
Daylight: 15 hrs 43 mins
Moonrise: 9:26 AM
Moon Transit: 4:12 PM
Moonset: 10:41 PM
Moon Phase: Waxing Crescent
Moon Illumination: 7.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
3:42 PM - 6:12 PM

Minor Periods

10:11 PM - 11:41 PM
8:56 AM - 10:26 AM

Action Rating: 2 out of 5

Saturday, July 18, 2026

Weather Forecast

Sunny
88.8°F
51.8°F
70.5°F
35%
0 in
1%
0%
6.9 mph
8.1


Air Quality

AQI: 1 - Good
PM2.5: 2.53 μg/m3
PM10: 3.13 μg/m3
Carbon Monoxide: 94.92 μg/m3
Nitrogen Dioxide: 2.98 μg/m3
Sulphur Dioxide: 0.32 μg/m3
Ozone: 81.38 μg/m3

Astronomical

Sunrise: 5:14 AM
Sun Transit: 1:04 PM
Sunset: 8:55 PM
Daylight: 15 hrs 41 mins
Moonrise: 10:45 AM
Moon Transit: 4:57 PM
Moonset: 10:55 PM
Moon Phase: Waxing Crescent
Moon Illumination: 13.9%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 2:30 AM
4:27 PM - 6:57 PM

Minor Periods

10:25 PM - 11:55 PM
10:15 AM - 11:45 AM

Action Rating: 2 out of 5

Sunday, July 19, 2026

Weather Forecast

Sunny
87.4°F
51.6°F
70.5°F
36%
0 in
1%
0%
6.5 mph
7.9


Air Quality

AQI: 1 - Good
PM2.5: 3.03 μg/m3
PM10: 3.65 μg/m3
Carbon Monoxide: 101.44 μg/m3
Nitrogen Dioxide: 2.03 μg/m3
Sulphur Dioxide: 0.51 μg/m3
Ozone: 86.5 μg/m3

Astronomical

Sunrise: 5:15 AM
Sun Transit: 1:04 PM
Sunset: 8:54 PM
Daylight: 15 hrs 39 mins
Moonrise: 11:59 AM
Moon Transit: 5:41 PM
Moonset: 11:09 PM
Moon Phase: Waxing Crescent
Moon Illumination: 22.6%

Best Times for Fishing or Hunting

Major Periods

12:45 AM - 3:15 AM
5:11 PM - 7:41 PM

Minor Periods

12:00 AM - 12:00 AM
11:29 AM - 12:59 AM

Action Rating: 2 out of 5

Monday, July 20, 2026

Weather Forecast

Sunny
92°F
55.3°F
73.7°F
31%
0 in
1%
0%
6.5 mph
8


Air Quality

AQI: 1 - Good
PM2.5: 3.48 μg/m3
PM10: 3.87 μg/m3
Carbon Monoxide: 134 μg/m3
Nitrogen Dioxide: 6.65 μg/m3
Sulphur Dioxide: 0.58 μg/m3
Ozone: 71.17 μg/m3

Astronomical

Sunrise: 5:16 AM
Sun Transit: 1:04 PM
Sunset: 8:53 PM
Daylight: 15 hrs 37 mins
Moonrise: 1:12 PM
Moon Transit: 6:24 PM
Moonset: 12:09 AM
Moon Phase: Waxing Crescent
Moon Illumination: 32.7%

Best Times for Fishing or Hunting

Major Periods

1:28 AM - 3:58 AM
5:54 PM - 8:24 PM

Minor Periods

12:42 AM - 2:12 PM
12:00 AM - 12:00 AM

Action Rating: 3 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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