Water Temperature of the South Fork Tolt River in Stillwater, WA

Current Water Temperature

54.3°F

Measurement Time: Thursday, July 23, 2026, 9:00 PM PDT

Temperature Locations

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Local Points of Interest

Snoqualmie Forest

South Fork Tolt River

Station Name: SF TOLT RIVER BL REGULATING BASIN NR CARNATION, WA
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 764 feet

Nearest Address:
Stillwater, WA 98019
King County

GPS Coordinates: 47.69676817, -121.7873379

Nearby Water Temperatures

North Fork Tolt River, Carnation, WA (1.1 mi)
Tolt River, Carnation, WA (1.7 mi)
North Fork Tolt River, Carnation, WA (2.6 mi)
South Fork Tolt River, Carnation, WA (3.5 mi)
South Fork Tolt River, Baring, WA (8.7 mi)
Skykomish River, Gold Bar, WA (11.2 mi)
Sultan River, Sultan, WA (14.6 mi)
Sultan River, Lake Roesiger, WA (18.1 mi)
South Fork Sultan River, Sultan, WA (18.8 mi)
Canyon Creek, Cedar Falls, WA (19.2 mi)
Cedar River, Cedar Falls, WA (19.2 mi)
Cedar River, Cedar Falls, WA (19.3 mi)
Taylor Creek, Selleck, WA (21.6 mi)
Cedar River, Hobart, WA (22.3 mi)
Cedar River, Maple Valley, WA (23.7 mi)

Weather for Stillwater, Washington

Current Weather

60.1°F
Clear
Clear
60.1°F
59.9°F
86%
ESE 2.2 mph
4.2 mph
59.9°F
53.9°F
0 in
0%
9 mi
1016 mbar
0

Five Day Weather Forecast

Sunny
Fri
H: 86°F
L: 56°F
Sunny
Sat
H: 76°F
L: 50°F
Partly Cloudy
Sun
H: 80°F
L: 55°F
Partly Cloudy
Mon
H: 80°F
L: 49°F
Sunny
Tue
H: 80°F
L: 49°F

Air Quality

AQI: 1 - Good
PM2.5: 22.8 μg/m3
PM10: 23.3 μg/m3
Carbon Monoxide: 224 μg/m3
Nitrogen Dioxide: 24 μg/m3
Sulphur Dioxide: 0.8 μg/m3
Ozone: 30 μg/m3

Astronomical

Sunrise: 5:35 AM
Sun Transit: 1:13 PM
Sunset: 8:52 PM
Daylight: 15 hrs 18 mins
Moonrise: 5:53 PM
Moon Transit: 9:41 PM
Moonset: 12:50 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 76.3%

Best Times for Fishing or Hunting

Major Periods

4:23 AM - 6:53 AM
9:11 PM - 11:41 PM

Minor Periods

5:23 PM - 6:53 PM
12:20 AM - 1:50 AM

Action Rating: 3 out of 5

Fire Weather Watch issued July 23 at 9:18AM PDT until July 25 at 9:00PM PDT by NWS Spokane WA

Effective: Thu July 23, 2026, 9:18 AM
Expires: Fri July 24, 2026, 2:00 AM

...RED FLAG WARNING FOR THUNDERSTORMS THURSDAY, FIRE WEATHER WATCHES FOR WINDS AND LOW HUMIDITY FRIDAY AND SATURDAY... A ridge breakdown will first bring a threat for thunderstorms across portions of central and north-central Washington today and tonight. Drier weather arrives Friday and Saturday, though winds will become increasingly gusty with critical fire weather conditions likely. The National Weather Service in Spokane has issued a Red Flag Warning for wind and low relative humidity, which is in effect from 11 AM to 11 PM PDT Friday. * Affected Area: Waterville Plateau (Zone 706). * Winds: Friday afternoon winds - Southwest 10 to 20 mph with gusts up to 25 mph. Saturday afternoon winds - Southwest 20 to 30 mph with gusts up to 45 mph. * Relative Humidities: 12 to 22 percent. * Impacts: Gusty winds and low humidity Friday and Saturday afternoon may lead to rapid fire spread with any new or ongoing fires.

A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings.


Red Flag Warning issued July 23 at 9:18AM PDT until July 24 at 11:00PM PDT by NWS Spokane WA

Effective: Thu July 23, 2026, 9:18 AM
Expires: Fri July 24, 2026, 2:00 AM

...RED FLAG WARNING FOR THUNDERSTORMS THURSDAY, FIRE WEATHER WATCHES FOR WINDS AND LOW HUMIDITY FRIDAY AND SATURDAY... A ridge breakdown will first bring a threat for thunderstorms across portions of central and north-central Washington today and tonight. Drier weather arrives Friday and Saturday, though winds will become increasingly gusty with critical fire weather conditions likely. The National Weather Service in Spokane has issued a Red Flag Warning for wind and low relative humidity, which is in effect from 11 AM to 11 PM PDT Friday. * Affected Area: Waterville Plateau (Zone 706). * Winds: Friday afternoon winds - Southwest 10 to 20 mph with gusts up to 25 mph. Saturday afternoon winds - Southwest 20 to 30 mph with gusts up to 45 mph. * Relative Humidities: 12 to 22 percent. * Impacts: Gusty winds and low humidity Friday and Saturday afternoon may lead to rapid fire spread with any new or ongoing fires.

A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings.


Red Flag Warning issued July 23 at 9:18AM PDT until July 24 at 2:00AM PDT by NWS Spokane WA

Effective: Thu July 23, 2026, 9:18 AM
Expires: Fri July 24, 2026, 2:00 AM

...RED FLAG WARNING FOR THUNDERSTORMS THURSDAY, FIRE WEATHER WATCHES FOR WINDS AND LOW HUMIDITY FRIDAY AND SATURDAY... A ridge breakdown will first bring a threat for thunderstorms across portions of central and north-central Washington today and tonight. Drier weather arrives Friday and Saturday, though winds will become increasingly gusty with critical fire weather conditions likely. * Affected Area: East Washington Central Cascades (Zone 696), East Portion of North Cascades National Park/Lake Chelan National Recreation Area (Zone 697) and East Washington North Cascades (Zone 698). * Winds: Northwest 10 to 15 mph with gusts up to 25 mph Thursday. * Lightning: 15 to 30 percent through Thursday night. * Impacts: New fire starts from lightning Thursday. New and existing fires could be impacted by gusty outflow winds.

A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior.


Red Flag Warning issued July 23 at 7:04PM PDT until July 24 at 11:00PM PDT by NWS Spokane WA

Effective: Thu July 23, 2026, 7:04 PM
Expires: Fri July 24, 2026, 3:15 AM

...RED FLAG WARNING FOR THUNDERSTORMS THURSDAY, FIRE WEATHER WATCHES FOR WIND AND LOW HUMIDITY FRIDAY AND SATURDAY... First, a ridge breakdown will continue to bring a threat for thunderstorms across portions of Central and North-Central Washington into late Thursday night. Then, drier and windier weather arrives Friday and Saturday with critical fire weather conditions likely. * Affected Area: Waterville Plateau (Zone 706). * Winds: Friday afternoon winds - Southwest 10 to 20 mph with gusts up to 25 mph. Saturday afternoon winds - Southwest 20 to 30 mph with gusts up to 45 mph. * Relative Humidities: 12 to 22 percent. * Impacts: Gusty winds and low humidity Friday and Saturday afternoon may lead to rapid fire spread with any new or ongoing fires.

A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings.


Fire Weather Watch issued July 23 at 7:04PM PDT until July 25 at 9:00PM PDT by NWS Spokane WA

Effective: Thu July 23, 2026, 7:04 PM
Expires: Fri July 24, 2026, 3:15 AM

...RED FLAG WARNING FOR THUNDERSTORMS THURSDAY, FIRE WEATHER WATCHES FOR WIND AND LOW HUMIDITY FRIDAY AND SATURDAY... First, a ridge breakdown will continue to bring a threat for thunderstorms across portions of Central and North-Central Washington into late Thursday night. Then, drier and windier weather arrives Friday and Saturday with critical fire weather conditions likely. * Affected Area: Waterville Plateau (Zone 706). * Winds: Friday afternoon winds - Southwest 10 to 20 mph with gusts up to 25 mph. Saturday afternoon winds - Southwest 20 to 30 mph with gusts up to 45 mph. * Relative Humidities: 12 to 22 percent. * Impacts: Gusty winds and low humidity Friday and Saturday afternoon may lead to rapid fire spread with any new or ongoing fires.

A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings.
Friday, July 24, 2026

Weather Forecast

Sunny
85.8°F
56.1°F
69.5°F
67%
0 in
5%
0%
4.9 mph
8.1


Air Quality

AQI: 2 - Moderate
PM2.5: 16.23 μg/m3
PM10: 16.97 μg/m3
Carbon Monoxide: 170.88 μg/m3
Nitrogen Dioxide: 10.19 μg/m3
Sulphur Dioxide: 0.88 μg/m3
Ozone: 67.63 μg/m3

Astronomical

Sunrise: 5:35 AM
Sun Transit: 1:13 PM
Sunset: 8:52 PM
Daylight: 15 hrs 18 mins
Moonrise: 5:53 PM
Moon Transit: 9:41 PM
Moonset: 12:50 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 76.3%

Best Times for Fishing or Hunting

Major Periods

4:23 AM - 6:53 AM
9:11 PM - 11:41 PM

Minor Periods

5:23 PM - 6:53 PM
12:20 AM - 1:50 AM

Action Rating: 3 out of 5

Saturday, July 25, 2026

Weather Forecast

Sunny
75.9°F
50.4°F
63.6°F
68%
0 in
10%
0%
8.9 mph
6.9


Air Quality

AQI: 1 - Good
PM2.5: 4.97 μg/m3
PM10: 6.35 μg/m3
Carbon Monoxide: 125.42 μg/m3
Nitrogen Dioxide: 4.55 μg/m3
Sulphur Dioxide: 0.83 μg/m3
Ozone: 51.42 μg/m3

Astronomical

Sunrise: 5:36 AM
Sun Transit: 1:13 PM
Sunset: 8:51 PM
Daylight: 15 hrs 15 mins
Moonrise: 6:50 PM
Moon Transit: 10:33 PM
Moonset: 1:28 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 85.2%

Best Times for Fishing or Hunting

Major Periods

5:13 AM - 7:43 AM
12:00 AM - 12:00 AM

Minor Periods

6:20 PM - 7:50 PM
12:58 AM - 2:28 AM

Action Rating: 3 out of 5

Sunday, July 26, 2026

Weather Forecast

Partly Cloudy
80.1°F
55°F
66.9°F
63%
0 in
7%
0%
6.9 mph
6.1


Air Quality

AQI: 1 - Good
PM2.5: 4.43 μg/m3
PM10: 5.72 μg/m3
Carbon Monoxide: 110.54 μg/m3
Nitrogen Dioxide: 4.14 μg/m3
Sulphur Dioxide: 1.12 μg/m3
Ozone: 47.38 μg/m3

Astronomical

Sunrise: 5:37 AM
Sun Transit: 1:13 PM
Sunset: 8:50 PM
Daylight: 15 hrs 13 mins
Moonrise: 7:37 PM
Moon Transit: 11:24 PM
Moonset: 2:17 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 92.3%

Best Times for Fishing or Hunting

Major Periods

6:05 AM - 8:35 AM
12:00 AM - 12:00 AM

Minor Periods

7:07 PM - 8:37 PM
1:47 AM - 3:17 AM

Action Rating: 4 out of 5

Monday, July 27, 2026

Weather Forecast

Partly Cloudy
79.6°F
49.3°F
63.8°F
69%
0 in
17%
0%
5.1 mph
5.9


Air Quality

AQI: 1 - Good
PM2.5: 5.46 μg/m3
PM10: 7.09 μg/m3
Carbon Monoxide: 137.35 μg/m3
Nitrogen Dioxide: 4.73 μg/m3
Sulphur Dioxide: 1.1 μg/m3
Ozone: 49.79 μg/m3

Astronomical

Sunrise: 5:38 AM
Sun Transit: 1:13 PM
Sunset: 8:48 PM
Daylight: 15 hrs 10 mins
Moonrise: 8:15 PM
Moon Transit: 12:00 AM
Moonset: 3:15 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.2%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
6:56 AM - 9:26 AM

Minor Periods

7:45 PM - 9:15 PM
2:45 AM - 4:15 AM

Action Rating: 3 out of 5

Tuesday, July 28, 2026

Weather Forecast

Sunny
79.7°F
49.3°F
64°F
66%
0 in
6%
0%
5.4 mph
7


Air Quality

AQI: 1 - Good
PM2.5: 9.28 μg/m3
PM10: 11.08 μg/m3
Carbon Monoxide: 161 μg/m3
Nitrogen Dioxide: 16.37 μg/m3
Sulphur Dioxide: 1.2 μg/m3
Ozone: 28.5 μg/m3

Astronomical

Sunrise: 5:39 AM
Sun Transit: 1:13 PM
Sunset: 8:47 PM
Daylight: 15 hrs 8 mins
Moonrise: 8:44 PM
Moon Transit: 12:14 AM
Moonset: 4:21 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
7:46 AM - 10:16 AM

Minor Periods

8:14 PM - 9:44 PM
3:51 AM - 5:21 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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