Water Temperature of the Jefferson River in Three Forks, MT

Current Water Temperature

40.1°F

Measurement Time: Saturday, March 7, 2026, 5:00 AM MST

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

44.1°F
Patchy rain nearby
Patchy rain nearby
39.3°F
44.1°F
62%
SW 13.2 mph
15.2 mph
39.3°F
33.2°F
0 in
73%
6 mi
1017 mbar
2

Five Day Weather Forecast

Sunny
Sat
H: 54°F
L: 32°F
Partly Cloudy
Sun
H: 55°F
L: 29°F
Overcast
Mon
H: 40°F
L: 29°F
Patchy moderate snow
Tue
H: 34°F
L: 26°F
Sunny
Wed
H: 45°F
L: 25°F

Air Quality

AQI: 1 - Good
PM2.5: 10.45 μg/m3
PM10: 11.25 μg/m3
Carbon Monoxide: 148.85 μg/m3
Nitrogen Dioxide: 5.15 μg/m3
Sulphur Dioxide: 1.15 μg/m3
Ozone: 92 μg/m3

Astronomical

Sunrise: 6:54 AM
Sun Transit: 12:37 AM
Sunset: 6:22 PM
Daylight: 11 hrs 28 mins
Moonrise: 11:31 PM
Moon Transit: 3:23 AM
Moonset: 8:15 AM
Moon Phase: Waning Gibbous
Moon Illumination: 79.2%

Best Times for Fishing or Hunting

Major Periods

2:53 AM - 5:23 AM
12:17 AM - 2:47 PM

Minor Periods

12:00 AM - 12:00 AM
7:45 AM - 9:15 AM

Action Rating: 2 out of 5

High Wind Watch issued March 6 at 1:19PM MST until March 8 at 11:00PM MST by NWS Great Falls MT

Effective: Fri March 6, 2026, 1:19 PM
Expires: Sat March 7, 2026, 7:30 AM

* WHAT...West winds 30 to 45 mph with gusts up to 70 mph possible. * WHERE...Portions of central, north central, and southwest Montana. * WHEN...From late Saturday night through Sunday evening. * IMPACTS...High winds may move loose debris, damage property and cause power outages. Travel could be difficult, especially for high profile vehicles. Damaging winds may blow down trees and power lines. Blowing dust could significantly reduce visibility at times.

Monitor the latest forecasts and warnings for updates. Remember, a High Wind Watch means that there is at least a 50% chance of 40 mph sustained winds or 58 mph wind gusts occurring during the watch period.


High Wind Watch issued March 6 at 11:45PM MST until March 8 at 11:00PM MST by NWS Great Falls MT

Effective: Fri March 6, 2026, 11:45 PM
Expires: Sat March 7, 2026, 2:45 PM

* WHAT...Southwest winds 30 to 40 mph with gusts up to 65 mph possible. * WHERE...The Interstate 90 Corridor between Bozeman and Whitehall, Big Belt, Bridger and Castle Mountains, Meagher County Valleys, Elkhorn and Boulder Mountains, and Canyon Ferry Area. * WHEN...From late Saturday night through Sunday evening. * IMPACTS...High winds may move loose debris, damage property and cause power outages. Travel could be difficult, especially for high profile vehicles.

Monitor the latest forecasts and warnings for updates. Remember, a High Wind Watch means that there is at least a 50% chance of 40 mph sustained winds or 58 mph wind gusts occurring during the watch period.


Saturday, March 7, 2026

Weather Forecast

Sunny
53.6°F
31.6°F
40°F
66%
0 in
0%
0%
16.1 mph
2


Air Quality

AQI: 1 - Good
PM2.5: 8.56 μg/m3
PM10: 10.07 μg/m3
Carbon Monoxide: 158.21 μg/m3
Nitrogen Dioxide: 4.41 μg/m3
Sulphur Dioxide: 1.14 μg/m3
Ozone: 102.24 μg/m3

Astronomical

Sunrise: 6:54 AM
Sun Transit: 12:37 AM
Sunset: 6:22 PM
Daylight: 11 hrs 28 mins
Moonrise: 11:31 PM
Moon Transit: 3:23 AM
Moonset: 8:15 AM
Moon Phase: Waning Gibbous
Moon Illumination: 79.2%

Best Times for Fishing or Hunting

Major Periods

2:53 AM - 5:23 AM
12:17 AM - 2:47 PM

Minor Periods

12:00 AM - 12:00 AM
7:45 AM - 9:15 AM

Action Rating: 2 out of 5

Sunday, March 8, 2026

Weather Forecast

Partly Cloudy
55°F
28.6°F
42.3°F
64%
0 in
0%
0%
23 mph
3


Air Quality

AQI: 1 - Good
PM2.5: 7.17 μg/m3
PM10: 7.7 μg/m3
Carbon Monoxide: 141.85 μg/m3
Nitrogen Dioxide: 3.39 μg/m3
Sulphur Dioxide: 1.05 μg/m3
Ozone: 92.76 μg/m3

Astronomical

Sunrise: 6:52 AM
Sun Transit: 12:37 AM
Sunset: 6:23 PM
Daylight: 11 hrs 31 mins
Moonrise: 12:31 AM
Moon Transit: 4:08 AM
Moonset: 8:38 AM
Moon Phase: Waning Gibbous
Moon Illumination: 69.3%

Best Times for Fishing or Hunting

Major Periods

3:38 AM - 6:08 AM
1:03 PM - 3:33 PM

Minor Periods

8:08 AM - 9:38 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Monday, March 9, 2026

Weather Forecast

Overcast
40.1°F
29.3°F
35.2°F
54%
0 in
0%
0%
11.2 mph
1


Air Quality

AQI: 1 - Good
PM2.5: 4 μg/m3
PM10: 4.86 μg/m3
Carbon Monoxide: 136.17 μg/m3
Nitrogen Dioxide: 2.16 μg/m3
Sulphur Dioxide: 1.12 μg/m3
Ozone: 109.2 μg/m3

Astronomical

Sunrise: 6:50 AM
Sun Transit: 12:36 AM
Sunset: 6:25 PM
Daylight: 11 hrs 34 mins
Moonrise: 12:40 AM
Moon Transit: 4:56 AM
Moonset: 9:07 AM
Moon Phase: Waning Gibbous
Moon Illumination: 58.5%

Best Times for Fishing or Hunting

Major Periods

4:26 AM - 6:56 AM
1:52 PM - 4:22 PM

Minor Periods

8:37 AM - 10:07 AM
12:10 AM - 1:40 AM

Action Rating: 3 out of 5

Tuesday, March 10, 2026

Weather Forecast

Patchy moderate snow
34.1°F
25.9°F
29.2°F
46%
0.03 in
70%
22%
18.1 mph
1


Air Quality

AQI: 1 - Good
PM2.5: 8.18 μg/m3
PM10: 9.46 μg/m3
Carbon Monoxide: 151.65 μg/m3
Nitrogen Dioxide: 3.61 μg/m3
Sulphur Dioxide: 1.24 μg/m3
Ozone: 103.32 μg/m3

Astronomical

Sunrise: 6:48 AM
Sun Transit: 12:36 AM
Sunset: 6:26 PM
Daylight: 11 hrs 38 mins
Moonrise: 1:45 AM
Moon Transit: 5:45 AM
Moonset: 9:43 AM
Moon Phase: Last Quarter
Moon Illumination: 47.2%

Best Times for Fishing or Hunting

Major Periods

5:15 AM - 7:45 AM
2:42 PM - 5:12 PM

Minor Periods

9:13 AM - 10:43 AM
1:15 AM - 2:45 AM

Action Rating: 2 out of 5

Wednesday, March 11, 2026

Weather Forecast

Sunny
45.2°F
24.7°F
33.7°F
39%
0 in
0%
0%
16.1 mph
2


Air Quality

AQI: 1 - Good
PM2.5: 9.69 μg/m3
PM10: 11.7 μg/m3
Carbon Monoxide: 182.43 μg/m3
Nitrogen Dioxide: 4.6 μg/m3
Sulphur Dioxide: 1.38 μg/m3
Ozone: 97.92 μg/m3

Astronomical

Sunrise: 6:47 AM
Sun Transit: 12:36 AM
Sunset: 6:27 PM
Daylight: 11 hrs 41 mins
Moonrise: 2:45 AM
Moon Transit: 6:36 AM
Moonset: 10:28 AM
Moon Phase: Last Quarter
Moon Illumination: 36.0%

Best Times for Fishing or Hunting

Major Periods

6:06 AM - 8:36 AM
3:33 PM - 6:03 PM

Minor Periods

9:58 AM - 11:28 AM
2:15 AM - 3:45 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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