Water Temperature of the Jefferson River in Three Forks, MT

Current Water Temperature

69.8°F

Measurement Time: Wednesday, July 15, 2026, 2:00 AM MDT

Temperature Locations

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Jefferson River

Station Name: Jefferson River near Three Forks MT
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 4,081 feet

Nearest Address:
87571 Frontage Rd
Three Forks, MT 59752
Gallatin County

GPS Coordinates: 45.8971361, -111.5956722

Nearby Water Temperatures

Missouri River, Toston, MT (19.2 mi)
Madison River, Norris, MT (28.2 mi)
Jefferson River, Waterloo, MT (30.3 mi)
Jefferson River, Twin Bridges, MT (40.4 mi)
Ruby River, Twin Bridges, MT (44.6 mi)
Madison River, Ennis, MT (46.5 mi)
Big Hole River, Glen, MT (56.1 mi)
Camas Creek, White Sulphur Springs, MT (57.3 mi)
Warm Springs Creek, Warm Springs, MT (60.3 mi)
Yellowstone River, Corwin Springs, MT (66.7 mi)
Madison River, Cameron, MT (69.7 mi)
Madison River, Grayling, MT (72.3 mi)
Boiling River Hot Springs, Yellowstone National Park, WY (76.8 mi)
Missouri River, Wolf Creek, MT (78.4 mi)
Lamar River, Yellowstone National Park, WY (88.8 mi)

Weather for Three Forks, Montana

Current Weather

65.7°F
Sunny
Sunny
57°F
65.7°F
74%
SSW 2.5 mph
2.8 mph
65.7°F
57.1°F
0 in
0%
6 mi
1019 mbar
0.6

Five Day Weather Forecast

Sunny
Wed
H: 87°F
L: 62°F
Sunny
Thu
H: 93°F
L: 58°F
Sunny
Fri
H: 95°F
L: 60°F
Sunny
Sat
H: 93°F
L: 59°F
Sunny
Sun
H: 93°F
L: 60°F

Air Quality

AQI: 1 - Good
PM2.5: 7.6 μg/m3
PM10: 8.4 μg/m3
Carbon Monoxide: 101 μg/m3
Nitrogen Dioxide: 3.6 μg/m3
Sulphur Dioxide: 0.4 μg/m3
Ozone: 56 μg/m3

Astronomical

Sunrise: 5:51 AM
Sun Transit: 1:32 PM
Sunset: 9:13 PM
Daylight: 15 hrs 22 mins
Moonrise: 7:14 AM
Moon Transit: 2:58 PM
Moonset: 10:24 PM
Moon Phase: New
Moon Illumination: 0.2%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
2:28 PM - 4:58 PM

Minor Periods

9:54 PM - 11:24 PM
6:44 AM - 8:14 AM

Action Rating: 3 out of 5

Wednesday, July 15, 2026

Weather Forecast

Sunny
87.3°F
61.9°F
72.7°F
57%
0 in
17%
0%
9.2 mph
8.6


Air Quality

AQI: 1 - Good
PM2.5: 5.88 μg/m3
PM10: 6.9 μg/m3
Carbon Monoxide: 101.67 μg/m3
Nitrogen Dioxide: 3.38 μg/m3
Sulphur Dioxide: 0.33 μg/m3
Ozone: 67.29 μg/m3

Astronomical

Sunrise: 5:51 AM
Sun Transit: 1:32 PM
Sunset: 9:13 PM
Daylight: 15 hrs 22 mins
Moonrise: 7:14 AM
Moon Transit: 2:58 PM
Moonset: 10:24 PM
Moon Phase: New
Moon Illumination: 0.2%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
2:28 PM - 4:58 PM

Minor Periods

9:54 PM - 11:24 PM
6:44 AM - 8:14 AM

Action Rating: 3 out of 5

Thursday, July 16, 2026

Weather Forecast

Sunny
93.3°F
57.9°F
74.1°F
57%
0 in
3%
0%
14.8 mph
9.7


Air Quality

AQI: 1 - Good
PM2.5: 3.97 μg/m3
PM10: 4.71 μg/m3
Carbon Monoxide: 110.29 μg/m3
Nitrogen Dioxide: 4.51 μg/m3
Sulphur Dioxide: 0.2 μg/m3
Ozone: 66.83 μg/m3

Astronomical

Sunrise: 5:52 AM
Sun Transit: 1:32 PM
Sunset: 9:12 PM
Daylight: 15 hrs 21 mins
Moonrise: 8:38 AM
Moon Transit: 3:50 PM
Moonset: 10:47 PM
Moon Phase: New
Moon Illumination: 2.4%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
3:20 PM - 5:50 PM

Minor Periods

10:17 PM - 11:47 PM
8:08 AM - 9:38 AM

Action Rating: 3 out of 5

Friday, July 17, 2026

Weather Forecast

Sunny
94.6°F
59.6°F
73.3°F
59%
0.54 in
61%
0%
24.8 mph
9.8


Air Quality

AQI: 1 - Good
PM2.5: 3.51 μg/m3
PM10: 4.15 μg/m3
Carbon Monoxide: 106.13 μg/m3
Nitrogen Dioxide: 4.96 μg/m3
Sulphur Dioxide: 0.31 μg/m3
Ozone: 67.29 μg/m3

Astronomical

Sunrise: 5:53 AM
Sun Transit: 1:32 PM
Sunset: 9:12 PM
Daylight: 15 hrs 19 mins
Moonrise: 9:56 AM
Moon Transit: 4:39 PM
Moonset: 11:06 PM
Moon Phase: Waxing Crescent
Moon Illumination: 7.0%

Best Times for Fishing or Hunting

Major Periods

12:46 AM - 3:16 AM
4:09 PM - 6:39 PM

Minor Periods

12:00 AM - 12:00 AM
9:26 AM - 10:56 AM

Action Rating: 2 out of 5

Saturday, July 18, 2026

Weather Forecast

Sunny
92.5°F
58.8°F
73.8°F
61%
0.03 in
36%
0%
20.6 mph
10.3


Air Quality

AQI: 1 - Good
PM2.5: 3.53 μg/m3
PM10: 4.26 μg/m3
Carbon Monoxide: 102.14 μg/m3
Nitrogen Dioxide: 4.36 μg/m3
Sulphur Dioxide: 0.23 μg/m3
Ozone: 73.13 μg/m3

Astronomical

Sunrise: 5:54 AM
Sun Transit: 1:32 PM
Sunset: 9:11 PM
Daylight: 15 hrs 17 mins
Moonrise: 11:11 AM
Moon Transit: 5:24 PM
Moonset: 12:06 AM
Moon Phase: Waxing Crescent
Moon Illumination: 13.9%

Best Times for Fishing or Hunting

Major Periods

1:33 AM - 4:03 AM
4:54 PM - 7:24 PM

Minor Periods

10:41 AM - 12:11 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Sunday, July 19, 2026

Weather Forecast

Sunny
92.6°F
59.7°F
73.3°F
57%
0.18 in
57%
0%
10.1 mph
8


Air Quality

AQI: 1 - Good
PM2.5: 2.79 μg/m3
PM10: 3.3 μg/m3
Carbon Monoxide: 110.14 μg/m3
Nitrogen Dioxide: 7.64 μg/m3
Sulphur Dioxide: 0.13 μg/m3
Ozone: 37.86 μg/m3

Astronomical

Sunrise: 5:55 AM
Sun Transit: 1:32 PM
Sunset: 9:10 PM
Daylight: 15 hrs 15 mins
Moonrise: 12:23 AM
Moon Transit: 6:07 PM
Moonset: 12:24 AM
Moon Phase: Waxing Crescent
Moon Illumination: 22.6%

Best Times for Fishing or Hunting

Major Periods

2:18 AM - 4:48 AM
5:37 PM - 8:07 PM

Minor Periods

11:53 AM - 1:23 PM
12:00 AM - 12:00 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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