Water Temperature of the Jefferson River in Three Forks, MT

Current Water Temperature

56.3°F

Measurement Time: Sunday, May 10, 2026, 1:00 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

47.9°F
Sunny
Sunny
47.3°F
47.9°F
50%
SSE 3.4 mph
7 mph
47.3°F
27.1°F
0 in
0%
6 mi
1018 mbar
0.2

Five Day Weather Forecast

Sunny
Sun
H: 82°F
L: 44°F
Sunny
Mon
H: 79°F
L: 54°F
Sunny
Tue
H: 77°F
L: 45°F
Patchy rain nearby
Wed
H: 87°F
L: 51°F
Patchy rain nearby
Thu
H: 81°F
L: 51°F

Air Quality

AQI: 1 - Good
PM2.5: 4.45 μg/m3
PM10: 6.55 μg/m3
Carbon Monoxide: 132.85 μg/m3
Nitrogen Dioxide: 1.35 μg/m3
Sulphur Dioxide: 1.75 μg/m3
Ozone: 129 μg/m3

Astronomical

Sunrise: 6:01 AM
Sun Transit: 1:22 PM
Sunset: 8:46 PM
Daylight: 14 hrs 46 mins
Moonrise: 3:06 AM
Moon Transit: 8:15 AM
Moonset: 1:35 PM
Moon Phase: Last Quarter
Moon Illumination: 26.2%

Best Times for Fishing or Hunting

Major Periods

7:45 AM - 10:15 AM
5:09 PM - 7:39 PM

Minor Periods

1:05 PM - 2:35 PM
2:36 AM - 4:06 AM

Action Rating: 2 out of 5

Sunday, May 10, 2026

Weather Forecast

Sunny
81.7°F
44.4°F
62°F
30%
0 in
0%
0%
8.5 mph
8


Air Quality

AQI: 1 - Good
PM2.5: 7.9 μg/m3
PM10: 9.86 μg/m3
Carbon Monoxide: 148.97 μg/m3
Nitrogen Dioxide: 4.69 μg/m3
Sulphur Dioxide: 1.79 μg/m3
Ozone: 95 μg/m3

Astronomical

Sunrise: 6:01 AM
Sun Transit: 1:22 PM
Sunset: 8:46 PM
Daylight: 14 hrs 46 mins
Moonrise: 3:06 AM
Moon Transit: 8:15 AM
Moonset: 1:35 PM
Moon Phase: Last Quarter
Moon Illumination: 26.2%

Best Times for Fishing or Hunting

Major Periods

7:45 AM - 10:15 AM
5:09 PM - 7:39 PM

Minor Periods

1:05 PM - 2:35 PM
2:36 AM - 4:06 AM

Action Rating: 2 out of 5

Monday, May 11, 2026

Weather Forecast

Sunny
79.2°F
53.6°F
64.4°F
30%
0 in
0%
0%
15.4 mph
6.8


Air Quality

AQI: 1 - Good
PM2.5: 3.33 μg/m3
PM10: 5.78 μg/m3
Carbon Monoxide: 156.93 μg/m3
Nitrogen Dioxide: 3.67 μg/m3
Sulphur Dioxide: 1.34 μg/m3
Ozone: 99.6 μg/m3

Astronomical

Sunrise: 5:59 AM
Sun Transit: 1:22 PM
Sunset: 8:47 PM
Daylight: 14 hrs 48 mins
Moonrise: 3:24 AM
Moon Transit: 9:00 AM
Moonset: 2:47 PM
Moon Phase: Last Quarter
Moon Illumination: 16.9%

Best Times for Fishing or Hunting

Major Periods

8:30 AM - 11:00 AM
5:53 PM - 8:23 PM

Minor Periods

2:17 PM - 3:47 PM
2:54 AM - 4:24 AM

Action Rating: 3 out of 5

Tuesday, May 12, 2026

Weather Forecast

Sunny
77°F
45.1°F
61.3°F
36%
0 in
0%
0%
6.5 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 3.08 μg/m3
PM10: 3.83 μg/m3
Carbon Monoxide: 142.21 μg/m3
Nitrogen Dioxide: 3.99 μg/m3
Sulphur Dioxide: 1.18 μg/m3
Ozone: 105.12 μg/m3

Astronomical

Sunrise: 5:58 AM
Sun Transit: 1:22 PM
Sunset: 8:49 PM
Daylight: 14 hrs 51 mins
Moonrise: 3:42 AM
Moon Transit: 9:44 AM
Moonset: 4:01 PM
Moon Phase: Waning Crescent
Moon Illumination: 9.3%

Best Times for Fishing or Hunting

Major Periods

6:39 PM - 9:09 PM
9:14 AM - 11:44 AM

Minor Periods

3:31 PM - 5:01 PM
3:12 AM - 4:42 AM

Action Rating: 3 out of 5

Wednesday, May 13, 2026

Weather Forecast

Patchy rain nearby
86.7°F
51.1°F
66.7°F
38%
0.03 in
88%
0%
19.7 mph
4


Air Quality

AQI: 1 - Good
PM2.5: 3.61 μg/m3
PM10: 4.73 μg/m3
Carbon Monoxide: 150.58 μg/m3
Nitrogen Dioxide: 5.04 μg/m3
Sulphur Dioxide: 1.36 μg/m3
Ozone: 95 μg/m3

Astronomical

Sunrise: 5:57 AM
Sun Transit: 1:22 PM
Sunset: 8:50 PM
Daylight: 14 hrs 53 mins
Moonrise: 4:01 AM
Moon Transit: 12:00 AM
Moonset: 5:18 PM
Moon Phase: Waning Crescent
Moon Illumination: 3.8%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:00 AM - 12:00 AM

Minor Periods

4:48 PM - 6:18 PM
3:31 AM - 5:01 AM

Action Rating: 2 out of 5

Thursday, May 14, 2026

Weather Forecast

Patchy rain nearby
81.4°F
51°F
61.9°F
64%
0.04 in
59%
0%
8.3 mph
4


Air Quality

AQI: 1 - Good
PM2.5: 5.11 μg/m3
PM10: 6.73 μg/m3
Carbon Monoxide: 153.67 μg/m3
Nitrogen Dioxide: 5.75 μg/m3
Sulphur Dioxide: 1.21 μg/m3
Ozone: 75.46 μg/m3

Astronomical

Sunrise: 5:56 AM
Sun Transit: 1:22 PM
Sunset: 8:51 PM
Daylight: 14 hrs 55 mins
Moonrise: 4:21 AM
Moon Transit: 11:21 AM
Moonset: 6:40 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.7%

Best Times for Fishing or Hunting

Major Periods

8:18 PM - 10:48 PM
10:51 AM - 1:21 PM

Minor Periods

6:10 PM - 7:40 PM
3:51 AM - 5:21 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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