Water Temperature of the Jefferson River in Three Forks, MT

Current Water Temperature

70.2°F

Measurement Time: Wednesday, August 26, 2026, 5:00 PM 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

69°F
Slight Chance Rain Showers
Slight Chance Rain Showers
61%
W 2 mph
55°F

Weather Forecast

Slight Chance Rain Showers
Tonight
52°F - Slight Chance Rain Showers
Partly Sunny then Slight Chance T-storms
Thursday
89°F - Partly Sunny then Slight Chance T-storms
Slight Chance Showers And Thunderstorms then Mostly Cloudy
Thursday Night
52°F - Slight Chance Showers And Thunderstorms then Mostly Cloudy
Cloudy then Chance Showers And Thunderstorms
Friday
82°F - Cloudy then Chance Showers And Thunderstorms
Chance Showers And Thunderstorms
Friday Night
51°F - Chance Showers And Thunderstorms
Showers And Thunderstorms Likely
Saturday
79°F - Showers And Thunderstorms Likely
Showers And Thunderstorms
Saturday Night
42°F - Showers And Thunderstorms
Showers And Thunderstorms Likely
Sunday
71°F - Showers And Thunderstorms Likely
Slight Chance Rain Showers then Mostly Clear
Sunday Night
38°F - Slight Chance Rain Showers then Mostly Clear
Sunny
Monday
77°F - Sunny
Partly Cloudy
Monday Night
43°F - Partly Cloudy
Mostly Sunny
Tuesday
80°F - Mostly Sunny
Chance Showers And Thunderstorms then Mostly Cloudy
Tuesday Night
44°F - Chance Showers And Thunderstorms then Mostly Cloudy
Mostly Sunny
Wednesday
78°F - Mostly Sunny

Astronomical

Sunrise: 6:40 AM
Sun Transit: 1:28 PM
Sunset: 8:16 PM
Daylight: 13 hrs 35 mins
Moonrise: 7:46 PM
Moon Transit: 12:03 AM
Moonset: 4:51 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 98.7%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
8:57 AM - 11:27 AM

Minor Periods

7:16 PM - 8:46 PM
4:21 AM - 5:51 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:40 AM
Sun Transit: 1:28 PM
Sunset: 8:16 PM
Daylight: 13 hrs 35 mins
Moonrise: 7:46 PM
Moon Transit: 12:03 AM
Moonset: 4:51 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 98.7%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
8:57 AM - 11:27 AM

Minor Periods

7:16 PM - 8:46 PM
4:21 AM - 5:51 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:42 AM
Sun Transit: 1:27 PM
Sunset: 8:14 PM
Daylight: 13 hrs 32 mins
Moonrise: 8:05 PM
Moon Transit: 12:48 AM
Moonset: 6:02 AM
Moon Phase: Full
Moon Illumination: 100.0%

Best Times for Fishing or Hunting

Major Periods

12:18 AM - 2:48 AM
9:42 AM - 12:12 AM

Minor Periods

7:35 PM - 9:05 PM
5:32 AM - 7:02 AM

Action Rating: 4 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:42 AM
Sun Transit: 1:27 PM
Sunset: 8:14 PM
Daylight: 13 hrs 32 mins
Moonrise: 8:05 PM
Moon Transit: 12:48 AM
Moonset: 6:02 AM
Moon Phase: Full
Moon Illumination: 100.0%

Best Times for Fishing or Hunting

Major Periods

12:18 AM - 2:48 AM
9:42 AM - 12:12 AM

Minor Periods

7:35 PM - 9:05 PM
5:32 AM - 7:02 AM

Action Rating: 4 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:43 AM
Sun Transit: 1:27 PM
Sunset: 8:12 PM
Daylight: 13 hrs 29 mins
Moonrise: 8:23 PM
Moon Transit: 1:32 AM
Moonset: 7:12 AM
Moon Phase: Full
Moon Illumination: 98.7%

Best Times for Fishing or Hunting

Major Periods

1:02 AM - 3:32 AM
10:26 AM - 12:56 AM

Minor Periods

7:53 PM - 9:23 PM
6:42 AM - 8:12 AM

Action Rating: 5 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:43 AM
Sun Transit: 1:27 PM
Sunset: 8:12 PM
Daylight: 13 hrs 29 mins
Moonrise: 8:23 PM
Moon Transit: 1:32 AM
Moonset: 7:12 AM
Moon Phase: Full
Moon Illumination: 98.7%

Best Times for Fishing or Hunting

Major Periods

1:02 AM - 3:32 AM
10:26 AM - 12:56 AM

Minor Periods

7:53 PM - 9:23 PM
6:42 AM - 8:12 AM

Action Rating: 5 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:44 AM
Sun Transit: 1:27 PM
Sunset: 8:10 PM
Daylight: 13 hrs 26 mins
Moonrise: 8:40 PM
Moon Transit: 10:49 PM
Moonset: 8:23 AM
Moon Phase: Full
Moon Illumination: 95.0%

Best Times for Fishing or Hunting

Major Periods

11:10 AM - 1:40 PM
12:00 AM - 12:00 AM

Minor Periods

8:10 PM - 9:40 PM
7:53 AM - 9:23 AM

Action Rating: 4 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:44 AM
Sun Transit: 1:27 PM
Sunset: 8:10 PM
Daylight: 13 hrs 26 mins
Moonrise: 8:40 PM
Moon Transit: 10:49 PM
Moonset: 8:23 AM
Moon Phase: Full
Moon Illumination: 95.0%

Best Times for Fishing or Hunting

Major Periods

11:10 AM - 1:40 PM
12:00 AM - 12:00 AM

Minor Periods

8:10 PM - 9:40 PM
7:53 AM - 9:23 AM

Action Rating: 4 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:45 AM
Sun Transit: 1:26 PM
Sunset: 8:08 PM
Daylight: 13 hrs 23 mins
Moonrise: 8:58 PM
Moon Transit: 3:00 AM
Moonset: 9:35 AM
Moon Phase: Waning Gibbous
Moon Illumination: 88.9%

Best Times for Fishing or Hunting

Major Periods

2:30 AM - 5:00 AM
11:54 AM - 2:24 PM

Minor Periods

8:28 PM - 9:58 PM
9:05 AM - 10:35 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:45 AM
Sun Transit: 1:26 PM
Sunset: 8:08 PM
Daylight: 13 hrs 23 mins
Moonrise: 8:58 PM
Moon Transit: 3:00 AM
Moonset: 9:35 AM
Moon Phase: Waning Gibbous
Moon Illumination: 88.9%

Best Times for Fishing or Hunting

Major Periods

2:30 AM - 5:00 AM
11:54 AM - 2:24 PM

Minor Periods

8:28 PM - 9:58 PM
9:05 AM - 10:35 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:46 AM
Sun Transit: 1:26 PM
Sunset: 8:06 PM
Daylight: 13 hrs 20 mins
Moonrise: 9:18 PM
Moon Transit: 3:46 AM
Moonset: 10:50 AM
Moon Phase: Waning Gibbous
Moon Illumination: 80.9%

Best Times for Fishing or Hunting

Major Periods

3:16 AM - 5:46 AM
12:41 AM - 3:11 PM

Minor Periods

8:48 PM - 10:18 PM
10:20 AM - 11:50 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:46 AM
Sun Transit: 1:26 PM
Sunset: 8:06 PM
Daylight: 13 hrs 20 mins
Moonrise: 9:18 PM
Moon Transit: 3:46 AM
Moonset: 10:50 AM
Moon Phase: Waning Gibbous
Moon Illumination: 80.9%

Best Times for Fishing or Hunting

Major Periods

3:16 AM - 5:46 AM
12:41 AM - 3:11 PM

Minor Periods

8:48 PM - 10:18 PM
10:20 AM - 11:50 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:48 AM
Sun Transit: 1:26 PM
Sunset: 8:04 PM
Daylight: 13 hrs 17 mins
Moonrise: 9:43 PM
Moon Transit: 4:34 AM
Moonset: 12:08 AM
Moon Phase: Waning Gibbous
Moon Illumination: 71.2%

Best Times for Fishing or Hunting

Major Periods

4:04 AM - 6:34 AM
1:31 PM - 4:01 PM

Minor Periods

9:13 PM - 10:43 PM
11:38 AM - 1:08 PM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:48 AM
Sun Transit: 1:26 PM
Sunset: 8:04 PM
Daylight: 13 hrs 17 mins
Moonrise: 9:43 PM
Moon Transit: 4:34 AM
Moonset: 12:08 AM
Moon Phase: Waning Gibbous
Moon Illumination: 71.2%

Best Times for Fishing or Hunting

Major Periods

4:04 AM - 6:34 AM
1:31 PM - 4:01 PM

Minor Periods

9:13 PM - 10:43 PM
11:38 AM - 1:08 PM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:49 AM
Sun Transit: 1:25 PM
Sunset: 8:02 PM
Daylight: 13 hrs 13 mins
Moonrise: 10:15 PM
Moon Transit: 5:26 AM
Moonset: 1:27 PM
Moon Phase: Waning Gibbous
Moon Illumination: 60.5%

Best Times for Fishing or Hunting

Major Periods

4:56 AM - 7:26 AM
2:25 PM - 4:55 PM

Minor Periods

9:45 PM - 11:15 PM
12:57 AM - 2:27 PM

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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