Water Temperature of the Jefferson River in Three Forks, MT

Current Water Temperature

66.0°F

Measurement Time: Wednesday, August 27, 2025, 9:00 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 / 1,244 meters

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

57°F
Overcast
Conditions: Overcast
Humidity: 96%
Feels Like: 58.2°F
Wind: SE 2.2 mph
Wind Gusts: 6.7 mph
Pressure: 30.19 in
Precipitation: 0 in
Cloud Cover: 100%
Visibility: 9 mi
UV Index: 0

Five Day Weather Forecast

Moderate rain
Thu
H: 69°F
L: 56°F
Moderate rain
Fri
H: 61°F
L: 54°F
Partly Cloudy
Sat
H: 81°F
L: 52°F
Sunny
Sun
H: 89°F
L: 52°F
Sunny
Mon
H: 90°F
L: 55°F

Air Quality

PM2.5: 11.66 μg/m3
PM10: 12.21 μg/m3
Carbon Monoxide: 275.65 μg/m3
Nitrogen Dioxide: 6.85 μg/m3
Sulphur Dioxide: 0.93 μg/m3
Ozone: 80 μg/m3

Astronomical

Sunrise: 6:43 AM
Sun Transit: 1:27 PM
Sunset: 8:11 PM
Daylight: 13 hrs 28 mins
Moonrise: 12:37 AM
Moon Transit: 5:24 PM
Moonset: 10:05 PM
Moon Phase: Waxing Crescent
Moon Illumination: 21.1%

Best Times for Fishing or Hunting

Major Periods

1:35 AM - 4:05 AM
4:54 PM - 7:24 PM

Minor Periods

9:35 PM - 11:05 PM
12:07 AM - 1:37 PM

Action Rating: 2 out of 5

Thursday, August 28, 2025

Weather Forecast

Conditions: Moderate rain
Average Temperature: 62°F
Average Humidity: 82%
Chance of Rain: 77%
Wind: 3.4 mph
UV Index: 0.8

Air Quality

AQI: 1 - Good
PM2.5: 10.12 μg/m3
PM10: 10.5 μg/m3
Carbon Monoxide: 264.7 μg/m3
Nitrogen Dioxide: 9.38 μg/m3
Sulphur Dioxide: 1.12 μg/m3
Ozone: 75.8 μg/m3

Astronomical

Sunrise: 6:43 AM
Sun Transit: 1:27 PM
Sunset: 8:11 PM
Daylight: 13 hrs 28 mins
Moonrise: 12:37 AM
Moon Transit: 5:24 PM
Moonset: 10:05 PM
Moon Phase: Waxing Crescent
Moon Illumination: 21.1%

Best Times for Fishing or Hunting

Major Periods

1:35 AM - 4:05 AM
4:54 PM - 7:24 PM

Minor Periods

9:35 PM - 11:05 PM
12:07 AM - 1:37 PM

Action Rating: 2 out of 5

Friday, August 29, 2025

Weather Forecast

Conditions: Moderate rain
Average Temperature: 58.2°F
Average Humidity: 89%
Chance of Rain: 88%
Wind: 12.5 mph
UV Index: 0.9

Air Quality

AQI: 1 - Good
PM2.5: 14.82 μg/m3
PM10: 15.26 μg/m3
Carbon Monoxide: 287.49 μg/m3
Nitrogen Dioxide: 12.11 μg/m3
Sulphur Dioxide: 0.7 μg/m3
Ozone: 81.68 μg/m3

Astronomical

Sunrise: 6:44 AM
Sun Transit: 1:27 PM
Sunset: 8:10 PM
Daylight: 13 hrs 25 mins
Moonrise: 1:44 PM
Moon Transit: 6:10 PM
Moonset: 10:29 PM
Moon Phase: Waxing Crescent
Moon Illumination: 31.0%

Best Times for Fishing or Hunting

Major Periods

2:18 AM - 4:48 AM
5:40 PM - 8:10 PM

Minor Periods

9:59 PM - 11:29 PM
1:14 PM - 2:44 PM

Action Rating: 3 out of 5

Saturday, August 30, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 63.7°F
Average Humidity: 65%
Chance of Rain: 0%
Wind: 11 mph
UV Index: 0

Air Quality

AQI: 2 - Moderate
PM2.5: 21.58 μg/m3
PM10: 22.41 μg/m3
Carbon Monoxide: 253.97 μg/m3
Nitrogen Dioxide: 11.85 μg/m3
Sulphur Dioxide: 0.56 μg/m3
Ozone: 79.56 μg/m3

Astronomical

Sunrise: 6:46 AM
Sun Transit: 1:26 PM
Sunset: 8:08 PM
Daylight: 13 hrs 22 mins
Moonrise: 2:51 PM
Moon Transit: 6:58 PM
Moonset: 11:01 PM
Moon Phase: First Quarter
Moon Illumination: 41.9%

Best Times for Fishing or Hunting

Major Periods

3:05 AM - 5:35 AM
6:28 PM - 8:58 PM

Minor Periods

12:00 AM - 12:00 AM
2:21 PM - 3:51 PM

Action Rating: 2 out of 5

Sunday, August 31, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 69.3°F
Average Humidity: 24%
Chance of Rain: 0%
Wind: 4.3 mph
UV Index: 6

Air Quality

AQI: 1 - Good
PM2.5: 14.91 μg/m3
PM10: 16.08 μg/m3
Carbon Monoxide: 325.32 μg/m3
Nitrogen Dioxide: 19.92 μg/m3
Sulphur Dioxide: 0.64 μg/m3
Ozone: 72.62 μg/m3

Astronomical

Sunrise: 6:47 AM
Sun Transit: 1:26 PM
Sunset: 8:06 PM
Daylight: 13 hrs 19 mins
Moonrise: 3:55 PM
Moon Transit: 7:49 PM
Moonset: 12:01 AM
Moon Phase: First Quarter
Moon Illumination: 53.2%

Best Times for Fishing or Hunting

Major Periods

3:54 AM - 6:24 AM
7:19 PM - 9:49 PM

Minor Periods

3:25 PM - 4:55 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Monday, September 1, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 67.8°F
Average Humidity: 26%
Chance of Rain: 0%
Wind: 4 mph
UV Index: 5

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 16 mins
Moonrise: 4:53 PM
Moon Transit: 8:42 PM
Moonset: 12:41 AM
Moon Phase: First Quarter
Moon Illumination: 64.3%

Best Times for Fishing or Hunting

Major Periods

4:46 AM - 7:16 AM
8:12 PM - 10:42 PM

Minor Periods

4:23 PM - 5:53 PM
12:00 AM - 12:00 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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