Water Temperature of the Jefferson River in Three Forks, MT

Current Water Temperature

59.4°F

Measurement Time: Wednesday, September 16, 2026, 11:00 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

44°F
Mostly Cloudy
Mostly Cloudy
95%
0 mph
43°F

Weather Forecast

Mostly Cloudy
Overnight
42°F - Mostly Cloudy
Patchy Fog then Slight Chance Showers And Thunderstorms
Thursday
78°F - Patchy Fog then Slight Chance Showers And Thunderstorms
Partly Cloudy
Thursday Night
47°F - Partly Cloudy
Showers And Thunderstorms
Friday
74°F - Showers And Thunderstorms
Showers And Thunderstorms
Friday Night
47°F - Showers And Thunderstorms
Light Rain then Showers And Thunderstorms
Saturday
66°F - Light Rain then Showers And Thunderstorms
Chance Light Rain then Mostly Cloudy
Saturday Night
42°F - Chance Light Rain then Mostly Cloudy
Sunny
Sunday
74°F - Sunny
Clear
Sunday Night
42°F - Clear
Sunny
Monday
78°F - Sunny
Mostly Clear
Monday Night
43°F - Mostly Clear
Sunny
Tuesday
78°F - Sunny
Mostly Clear
Tuesday Night
43°F - Mostly Clear
Sunny
Wednesday
78°F - Sunny

Astronomical

Sunrise: 7:07 AM
Sun Transit: 1:20 PM
Sunset: 7:33 PM
Daylight: 12 hrs 26 mins
Moonrise: 2:38 PM
Moon Transit: 6:35 PM
Moonset: 10:30 PM
Moon Phase: Waxing Crescent
Moon Illumination: 32.1%

Best Times for Fishing or Hunting

Major Periods

2:40 AM - 5:10 AM
6:05 PM - 8:35 PM

Minor Periods

10:00 PM - 11:30 PM
2:08 PM - 3:38 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: 7:07 AM
Sun Transit: 1:20 PM
Sunset: 7:33 PM
Daylight: 12 hrs 26 mins
Moonrise: 2:38 PM
Moon Transit: 6:35 PM
Moonset: 10:30 PM
Moon Phase: Waxing Crescent
Moon Illumination: 32.1%

Best Times for Fishing or Hunting

Major Periods

2:40 AM - 5:10 AM
6:05 PM - 8:35 PM

Minor Periods

10:00 PM - 11:30 PM
2:08 PM - 3:38 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: 7:07 AM
Sun Transit: 1:20 PM
Sunset: 7:33 PM
Daylight: 12 hrs 26 mins
Moonrise: 2:38 PM
Moon Transit: 6:35 PM
Moonset: 10:30 PM
Moon Phase: Waxing Crescent
Moon Illumination: 32.1%

Best Times for Fishing or Hunting

Major Periods

2:40 AM - 5:10 AM
6:05 PM - 8:35 PM

Minor Periods

10:00 PM - 11:30 PM
2:08 PM - 3:38 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: 7:07 AM
Sun Transit: 1:20 PM
Sunset: 7:33 PM
Daylight: 12 hrs 26 mins
Moonrise: 2:38 PM
Moon Transit: 6:35 PM
Moonset: 10:30 PM
Moon Phase: Waxing Crescent
Moon Illumination: 32.1%

Best Times for Fishing or Hunting

Major Periods

2:40 AM - 5:10 AM
6:05 PM - 8:35 PM

Minor Periods

10:00 PM - 11:30 PM
2:08 PM - 3:38 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: 7:08 AM
Sun Transit: 1:20 PM
Sunset: 7:31 PM
Daylight: 12 hrs 23 mins
Moonrise: 3:33 PM
Moon Transit: 7:26 PM
Moonset: 11:21 PM
Moon Phase: First Quarter
Moon Illumination: 43.0%

Best Times for Fishing or Hunting

Major Periods

3:31 AM - 6:01 AM
6:56 PM - 9:26 PM

Minor Periods

12:00 AM - 12:00 AM
3:03 PM - 4:33 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: 7:08 AM
Sun Transit: 1:20 PM
Sunset: 7:31 PM
Daylight: 12 hrs 23 mins
Moonrise: 3:33 PM
Moon Transit: 7:26 PM
Moonset: 11:21 PM
Moon Phase: First Quarter
Moon Illumination: 43.0%

Best Times for Fishing or Hunting

Major Periods

3:31 AM - 6:01 AM
6:56 PM - 9:26 PM

Minor Periods

12:00 AM - 12:00 AM
3:03 PM - 4:33 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: 7:10 AM
Sun Transit: 1:20 PM
Sunset: 7:29 PM
Daylight: 12 hrs 20 mins
Moonrise: 4:19 PM
Moon Transit: 8:17 PM
Moonset: 12:21 AM
Moon Phase: First Quarter
Moon Illumination: 54.3%

Best Times for Fishing or Hunting

Major Periods

4:23 AM - 6:53 AM
7:47 PM - 10:17 PM

Minor Periods

3:49 PM - 5:19 PM
12:00 AM - 12:00 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: 7:10 AM
Sun Transit: 1:20 PM
Sunset: 7:29 PM
Daylight: 12 hrs 20 mins
Moonrise: 4:19 PM
Moon Transit: 8:17 PM
Moonset: 12:21 AM
Moon Phase: First Quarter
Moon Illumination: 54.3%

Best Times for Fishing or Hunting

Major Periods

4:23 AM - 6:53 AM
7:47 PM - 10:17 PM

Minor Periods

3:49 PM - 5:19 PM
12:00 AM - 12:00 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: 7:11 AM
Sun Transit: 1:19 PM
Sunset: 7:27 PM
Daylight: 12 hrs 16 mins
Moonrise: 4:56 PM
Moon Transit: 9:07 PM
Moonset: 12:20 AM
Moon Phase: First Quarter
Moon Illumination: 65.4%

Best Times for Fishing or Hunting

Major Periods

5:14 AM - 7:44 AM
8:37 PM - 11:07 PM

Minor Periods

4:26 PM - 5:56 PM
12:00 AM - 12:00 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: 7:11 AM
Sun Transit: 1:19 PM
Sunset: 7:27 PM
Daylight: 12 hrs 16 mins
Moonrise: 4:56 PM
Moon Transit: 9:07 PM
Moonset: 12:20 AM
Moon Phase: First Quarter
Moon Illumination: 65.4%

Best Times for Fishing or Hunting

Major Periods

5:14 AM - 7:44 AM
8:37 PM - 11:07 PM

Minor Periods

4:26 PM - 5:56 PM
12:00 AM - 12:00 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: 7:12 AM
Sun Transit: 1:19 PM
Sunset: 7:25 PM
Daylight: 12 hrs 13 mins
Moonrise: 5:25 PM
Moon Transit: 9:55 PM
Moonset: 1:25 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 75.7%

Best Times for Fishing or Hunting

Major Periods

6:03 AM - 8:33 AM
9:25 PM - 11:55 PM

Minor Periods

4:55 PM - 6:25 PM
12:55 AM - 2:25 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: 7:12 AM
Sun Transit: 1:19 PM
Sunset: 7:25 PM
Daylight: 12 hrs 13 mins
Moonrise: 5:25 PM
Moon Transit: 9:55 PM
Moonset: 1:25 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 75.7%

Best Times for Fishing or Hunting

Major Periods

6:03 AM - 8:33 AM
9:25 PM - 11:55 PM

Minor Periods

4:55 PM - 6:25 PM
12:55 AM - 2:25 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: 7:13 AM
Sun Transit: 1:19 PM
Sunset: 7:23 PM
Daylight: 12 hrs 10 mins
Moonrise: 5:49 PM
Moon Transit: 10:41 PM
Moonset: 2:34 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 84.7%

Best Times for Fishing or Hunting

Major Periods

6:50 AM - 9:20 AM
12:00 AM - 12:00 AM

Minor Periods

5:19 PM - 6:49 PM
2:04 AM - 3:34 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: 7:13 AM
Sun Transit: 1:19 PM
Sunset: 7:23 PM
Daylight: 12 hrs 10 mins
Moonrise: 5:49 PM
Moon Transit: 10:41 PM
Moonset: 2:34 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 84.7%

Best Times for Fishing or Hunting

Major Periods

6:50 AM - 9:20 AM
12:00 AM - 12:00 AM

Minor Periods

5:19 PM - 6:49 PM
2:04 AM - 3:34 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: 7:15 AM
Sun Transit: 1:18 PM
Sunset: 7:21 PM
Daylight: 12 hrs 7 mins
Moonrise: 6:09 PM
Moon Transit: 11:26 PM
Moonset: 3:44 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 91.9%

Best Times for Fishing or Hunting

Major Periods

7:35 AM - 10:05 AM
12:00 AM - 12:00 AM

Minor Periods

5:39 PM - 7:09 PM
3:14 AM - 4:44 AM

Action Rating: 4 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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