Water Temperature of the Jefferson River in Three Forks, MT

Current Water Temperature

73.9°F

Measurement Time: Monday, July 27, 2026, 7:00 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

92.8°F
Sunny
Sunny
81.5°F
89.2°F
18%
NNW 7.4 mph
8.5 mph
92.8°F
43.4°F
0 in
0%
6 mi
1009 mbar
8.9

Five Day Weather Forecast

Sunny
Mon
H: 96°F
L: 60°F
Sunny
Tue
H: 98°F
L: 59°F
Sunny
Wed
H: 95°F
L: 58°F
Sunny
Thu
H: 98°F
L: 57°F
Sunny
Fri
H: 101°F
L: 59°F

Air Quality

AQI: 2 - Moderate
PM2.5: 12.7 μg/m3
PM10: 13.2 μg/m3
Carbon Monoxide: 117 μg/m3
Nitrogen Dioxide: 0.5 μg/m3
Sulphur Dioxide: 0.6 μg/m3
Ozone: 121 μg/m3

Astronomical

Sunrise: 6:04 AM
Sun Transit: 1:32 PM
Sunset: 9:02 PM
Daylight: 14 hrs 58 mins
Moonrise: 8:24 PM
Moon Transit: 12:00 AM
Moonset: 3:42 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.2%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
8:38 AM - 11:08 AM

Minor Periods

7:54 PM - 9:24 PM
3:12 AM - 4:42 AM

Action Rating: 3 out of 5

Monday, July 27, 2026

Weather Forecast

Sunny
95.7°F
59.5°F
79.7°F
31%
0 in
0%
0%
8.7 mph
8.9


Air Quality

AQI: 1 - Good
PM2.5: 14.6 μg/m3
PM10: 15.38 μg/m3
Carbon Monoxide: 117.79 μg/m3
Nitrogen Dioxide: 4.58 μg/m3
Sulphur Dioxide: 0.7 μg/m3
Ozone: 92.88 μg/m3

Astronomical

Sunrise: 6:04 AM
Sun Transit: 1:32 PM
Sunset: 9:02 PM
Daylight: 14 hrs 58 mins
Moonrise: 8:24 PM
Moon Transit: 12:00 AM
Moonset: 3:42 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.2%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
8:38 AM - 11:08 AM

Minor Periods

7:54 PM - 9:24 PM
3:12 AM - 4:42 AM

Action Rating: 3 out of 5

Tuesday, July 28, 2026

Weather Forecast

Sunny
97.5°F
58.5°F
77.3°F
27%
0 in
1%
0%
10.3 mph
7


Air Quality

AQI: 2 - Moderate
PM2.5: 17.03 μg/m3
PM10: 18.28 μg/m3
Carbon Monoxide: 146.96 μg/m3
Nitrogen Dioxide: 5.99 μg/m3
Sulphur Dioxide: 0.81 μg/m3
Ozone: 103.04 μg/m3

Astronomical

Sunrise: 6:05 AM
Sun Transit: 1:32 PM
Sunset: 9:00 PM
Daylight: 14 hrs 56 mins
Moonrise: 8:55 PM
Moon Transit: 12:32 AM
Moonset: 4:47 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

12:02 AM - 2:32 AM
9:28 AM - 11:58 AM

Minor Periods

8:25 PM - 9:55 PM
4:17 AM - 5:47 AM

Action Rating: 4 out of 5

Wednesday, July 29, 2026

Weather Forecast

Sunny
95.3°F
58.1°F
74.9°F
25%
0 in
1%
0%
20.4 mph
6.8


Air Quality

AQI: 2 - Moderate
PM2.5: 19 μg/m3
PM10: 20.41 μg/m3
Carbon Monoxide: 155.54 μg/m3
Nitrogen Dioxide: 4.94 μg/m3
Sulphur Dioxide: 0.79 μg/m3
Ozone: 102.38 μg/m3

Astronomical

Sunrise: 6:06 AM
Sun Transit: 1:32 PM
Sunset: 8:59 PM
Daylight: 14 hrs 53 mins
Moonrise: 9:20 PM
Moon Transit: 1:21 AM
Moonset: 5:55 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

12:51 AM - 3:21 AM
10:16 AM - 12:46 AM

Minor Periods

8:50 PM - 10:20 PM
5:25 AM - 6:55 AM

Action Rating: 4 out of 5

Thursday, July 30, 2026

Weather Forecast

Sunny
98.2°F
57.1°F
77.3°F
30%
0 in
1%
0%
7.4 mph
4


Air Quality

AQI: 2 - Moderate
PM2.5: 16.15 μg/m3
PM10: 17.48 μg/m3
Carbon Monoxide: 141.77 μg/m3
Nitrogen Dioxide: 5.54 μg/m3
Sulphur Dioxide: 0.65 μg/m3
Ozone: 95.17 μg/m3

Astronomical

Sunrise: 6:07 AM
Sun Transit: 1:32 PM
Sunset: 8:58 PM
Daylight: 14 hrs 51 mins
Moonrise: 9:40 PM
Moon Transit: 2:07 AM
Moonset: 7:05 AM
Moon Phase: Full
Moon Illumination: 97.1%

Best Times for Fishing or Hunting

Major Periods

1:37 AM - 4:07 AM
11:02 AM - 1:32 PM

Minor Periods

9:10 PM - 10:40 PM
6:35 AM - 8:05 AM

Action Rating: 5 out of 5

Friday, July 31, 2026

Weather Forecast

Sunny
101.3°F
59.2°F
80.1°F
20%
0 in
0%
0%
13.6 mph
9


Air Quality

AQI: 2 - Moderate
PM2.5: 19.67 μg/m3
PM10: 21.39 μg/m3
Carbon Monoxide: 210.71 μg/m3
Nitrogen Dioxide: 10.29 μg/m3
Sulphur Dioxide: 0.74 μg/m3
Ozone: 67.71 μg/m3

Astronomical

Sunrise: 6:08 AM
Sun Transit: 1:32 PM
Sunset: 8:57 PM
Daylight: 14 hrs 48 mins
Moonrise: 9:59 PM
Moon Transit: 2:52 AM
Moonset: 8:15 AM
Moon Phase: Full
Moon Illumination: 92.0%

Best Times for Fishing or Hunting

Major Periods

2:22 AM - 4:52 AM
11:45 AM - 2:15 PM

Minor Periods

9:29 PM - 10:59 PM
7:45 AM - 9:15 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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