Water Temperature of the Jefferson River in Three Forks, MT

Current Water Temperature

67.6°F

Measurement Time: Tuesday, September 1, 2026, 6:00 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

56°F
Chance Rain Showers
Chance Rain Showers
80%
WSW 6 mph
50°F

Weather Forecast

Chance Rain Showers
Overnight
49°F - Chance Rain Showers
Mostly Sunny
Wednesday
80°F - Mostly Sunny
Partly Cloudy
Wednesday Night
45°F - Partly Cloudy
Mostly Sunny
Thursday
77°F - Mostly Sunny
Partly Cloudy
Thursday Night
46°F - Partly Cloudy
Sunny
Friday
79°F - Sunny
Mostly Clear then Slight Chance Rain Showers
Friday Night
45°F - Mostly Clear then Slight Chance Rain Showers
Sunny
Saturday
78°F - Sunny
Mostly Clear
Saturday Night
43°F - Mostly Clear
Sunny
Sunday
78°F - Sunny
Chance Showers And Thunderstorms
Sunday Night
47°F - Chance Showers And Thunderstorms
Showers And Thunderstorms Likely
Labor Day
73°F - Showers And Thunderstorms Likely
Chance Rain Showers
Monday Night
44°F - Chance Rain Showers
Chance Rain Showers
Tuesday
69°F - Chance Rain Showers

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

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

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

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

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: 6:50 AM
Sun Transit: 1:25 PM
Sunset: 8:01 PM
Daylight: 13 hrs 10 mins
Moonrise: 10:57 PM
Moon Transit: 6:23 AM
Moonset: 2:46 PM
Moon Phase: Last Quarter
Moon Illumination: 49.2%

Best Times for Fishing or Hunting

Major Periods

5:53 AM - 8:23 AM
3:23 PM - 5:53 PM

Minor Periods

10:27 PM - 11:57 PM
2:16 PM - 3:46 PM

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: 6:50 AM
Sun Transit: 1:25 PM
Sunset: 8:01 PM
Daylight: 13 hrs 10 mins
Moonrise: 10:57 PM
Moon Transit: 6:23 AM
Moonset: 2:46 PM
Moon Phase: Last Quarter
Moon Illumination: 49.2%

Best Times for Fishing or Hunting

Major Periods

5:53 AM - 8:23 AM
3:23 PM - 5:53 PM

Minor Periods

10:27 PM - 11:57 PM
2:16 PM - 3:46 PM

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: 6:51 AM
Sun Transit: 1:25 PM
Sunset: 7:59 PM
Daylight: 13 hrs 7 mins
Moonrise: 11:53 PM
Moon Transit: 7:24 AM
Moonset: 3:58 PM
Moon Phase: Last Quarter
Moon Illumination: 38.0%

Best Times for Fishing or Hunting

Major Periods

6:54 AM - 9:24 AM
4:25 PM - 6:55 PM

Minor Periods

12:00 AM - 12:00 AM
3:28 PM - 4:58 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: 6:51 AM
Sun Transit: 1:25 PM
Sunset: 7:59 PM
Daylight: 13 hrs 7 mins
Moonrise: 11:53 PM
Moon Transit: 7:24 AM
Moonset: 3:58 PM
Moon Phase: Last Quarter
Moon Illumination: 38.0%

Best Times for Fishing or Hunting

Major Periods

6:54 AM - 9:24 AM
4:25 PM - 6:55 PM

Minor Periods

12:00 AM - 12:00 AM
3:28 PM - 4:58 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: 6:53 AM
Sun Transit: 1:24 PM
Sunset: 7:57 PM
Daylight: 13 hrs 4 mins
Moonrise: 12:53 AM
Moon Transit: 8:27 AM
Moonset: 4:59 PM
Moon Phase: Last Quarter
Moon Illumination: 27.4%

Best Times for Fishing or Hunting

Major Periods

7:57 AM - 10:27 AM
5:28 PM - 7:58 PM

Minor Periods

4:29 PM - 5:59 PM
12:00 AM - 12:00 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: 6:53 AM
Sun Transit: 1:24 PM
Sunset: 7:57 PM
Daylight: 13 hrs 4 mins
Moonrise: 12:53 AM
Moon Transit: 8:27 AM
Moonset: 4:59 PM
Moon Phase: Last Quarter
Moon Illumination: 27.4%

Best Times for Fishing or Hunting

Major Periods

7:57 AM - 10:27 AM
5:28 PM - 7:58 PM

Minor Periods

4:29 PM - 5:59 PM
12:00 AM - 12:00 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: 6:54 AM
Sun Transit: 1:24 PM
Sunset: 7:55 PM
Daylight: 13 hrs 1 mins
Moonrise: 1:02 AM
Moon Transit: 9:29 AM
Moonset: 5:46 PM
Moon Phase: Last Quarter
Moon Illumination: 18.0%

Best Times for Fishing or Hunting

Major Periods

8:59 AM - 11:29 AM
6:30 PM - 9:00 PM

Minor Periods

5:16 PM - 6:46 PM
12:32 AM - 2:02 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: 6:54 AM
Sun Transit: 1:24 PM
Sunset: 7:55 PM
Daylight: 13 hrs 1 mins
Moonrise: 1:02 AM
Moon Transit: 9:29 AM
Moonset: 5:46 PM
Moon Phase: Last Quarter
Moon Illumination: 18.0%

Best Times for Fishing or Hunting

Major Periods

8:59 AM - 11:29 AM
6:30 PM - 9:00 PM

Minor Periods

5:16 PM - 6:46 PM
12:32 AM - 2:02 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: 6:55 AM
Sun Transit: 1:24 PM
Sunset: 7:53 PM
Daylight: 12 hrs 58 mins
Moonrise: 2:21 AM
Moon Transit: 10:29 AM
Moonset: 6:22 PM
Moon Phase: Waning Crescent
Moon Illumination: 10.1%

Best Times for Fishing or Hunting

Major Periods

7:28 PM - 9:58 PM
9:59 AM - 12:29 AM

Minor Periods

5:52 PM - 7:22 PM
1:51 AM - 3:21 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: 6:55 AM
Sun Transit: 1:24 PM
Sunset: 7:53 PM
Daylight: 12 hrs 58 mins
Moonrise: 2:21 AM
Moon Transit: 10:29 AM
Moonset: 6:22 PM
Moon Phase: Waning Crescent
Moon Illumination: 10.1%

Best Times for Fishing or Hunting

Major Periods

7:28 PM - 9:58 PM
9:59 AM - 12:29 AM

Minor Periods

5:52 PM - 7:22 PM
1:51 AM - 3:21 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: 6:56 AM
Sun Transit: 1:23 PM
Sunset: 7:51 PM
Daylight: 12 hrs 55 mins
Moonrise: 3:43 AM
Moon Transit: 11:25 AM
Moonset: 6:49 PM
Moon Phase: Waning Crescent
Moon Illumination: 4.4%

Best Times for Fishing or Hunting

Major Periods

8:22 PM - 10:52 PM
10:55 AM - 1:25 PM

Minor Periods

6:19 PM - 7:49 PM
3:13 AM - 4:43 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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