Water Temperature of the Jefferson River in Three Forks, MT

Current Water Temperature

39.2°F

Measurement Time: Tuesday, March 10, 2026, 7:00 AM 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

38.2°F
Overcast
Overcast
29.9°F
38.2°F
20%
W 16.3 mph
18.8 mph
29.9°F
1.3°F
0 in
100%
6 mi
1016 mbar
1.8

Five Day Weather Forecast

Sunny
Tue
H: 40°F
L: 21°F
Partly Cloudy
Wed
H: 47°F
L: 16°F
Partly Cloudy
Thu
H: 52°F
L: 33°F
Partly Cloudy
Fri
H: 59°F
L: 40°F
Partly Cloudy
Sat
H: 53°F
L: 33°F

Air Quality

AQI: 1 - Good
PM2.5: 3.65 μg/m3
PM10: 4.85 μg/m3
Carbon Monoxide: 160.85 μg/m3
Nitrogen Dioxide: 4.15 μg/m3
Sulphur Dioxide: 1.55 μg/m3
Ozone: 102 μg/m3

Astronomical

Sunrise: 7:48 AM
Sun Transit: 1:36 PM
Sunset: 7:25 PM
Daylight: 11 hrs 37 mins
Moonrise: 2:45 AM
Moon Transit: 6:45 AM
Moonset: 10:43 AM
Moon Phase: Last Quarter
Moon Illumination: 47.2%

Best Times for Fishing or Hunting

Major Periods

6:15 AM - 8:45 AM
3:42 PM - 6:12 PM

Minor Periods

10:13 AM - 11:43 AM
2:15 AM - 3:45 AM

Action Rating: 2 out of 5

High Wind Watch issued March 10 at 2:05AM MDT until March 12 at 6:00PM MDT by NWS Great Falls MT

Effective: Tue March 10, 2026, 2:05 AM
Expires: Tue March 10, 2026, 5:15 PM

* WHAT...Southwest winds 35 to 55 mph, with gusts up to 70 mph possible. Higher winds gusts up to 95 mph possible along the Rocky Mountain Front * WHERE...Portions of central, north central, and southwest Montana. * WHEN...From Wednesday evening through Thursday afternoon. * IMPACTS...Damaging winds may blow down trees and power lines. Power outages are possible. Travel could be very difficult, especially for high profile vehicles. 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.
Tuesday, March 10, 2026

Weather Forecast

Sunny
39.6°F
21.4°F
29.8°F
36%
0 in
0%
0%
19.7 mph
0.5


Air Quality

AQI: 1 - Good
PM2.5: 2.98 μg/m3
PM10: 4.1 μg/m3
Carbon Monoxide: 154.37 μg/m3
Nitrogen Dioxide: 3.56 μg/m3
Sulphur Dioxide: 1.23 μg/m3
Ozone: 102.56 μg/m3

Astronomical

Sunrise: 7:48 AM
Sun Transit: 1:36 PM
Sunset: 7:25 PM
Daylight: 11 hrs 37 mins
Moonrise: 2:45 AM
Moon Transit: 6:45 AM
Moonset: 10:43 AM
Moon Phase: Last Quarter
Moon Illumination: 47.2%

Best Times for Fishing or Hunting

Major Periods

6:15 AM - 8:45 AM
3:42 PM - 6:12 PM

Minor Periods

10:13 AM - 11:43 AM
2:15 AM - 3:45 AM

Action Rating: 2 out of 5

Wednesday, March 11, 2026

Weather Forecast

Partly Cloudy
46.6°F
16.3°F
31.1°F
49%
0 in
0%
0%
21.9 mph
0.6


Air Quality

AQI: 1 - Good
PM2.5: 3.25 μg/m3
PM10: 4.37 μg/m3
Carbon Monoxide: 158.13 μg/m3
Nitrogen Dioxide: 2.95 μg/m3
Sulphur Dioxide: 1.21 μg/m3
Ozone: 95.76 μg/m3

Astronomical

Sunrise: 7:46 AM
Sun Transit: 1:36 PM
Sunset: 7:27 PM
Daylight: 11 hrs 41 mins
Moonrise: 3:45 AM
Moon Transit: 7:36 AM
Moonset: 11:28 AM
Moon Phase: Last Quarter
Moon Illumination: 36.0%

Best Times for Fishing or Hunting

Major Periods

7:06 AM - 9:36 AM
4:33 PM - 7:03 PM

Minor Periods

10:58 AM - 12:28 AM
3:15 AM - 4:45 AM

Action Rating: 3 out of 5

Thursday, March 12, 2026

Weather Forecast

Partly Cloudy
51.6°F
33.3°F
41.3°F
57%
0 in
0%
0%
32.9 mph
0.7


Air Quality

AQI: 1 - Good
PM2.5: 1.34 μg/m3
PM10: 1.63 μg/m3
Carbon Monoxide: 129.57 μg/m3
Nitrogen Dioxide: 1.62 μg/m3
Sulphur Dioxide: 0.95 μg/m3
Ozone: 87.6 μg/m3

Astronomical

Sunrise: 7:44 AM
Sun Transit: 1:36 PM
Sunset: 7:28 PM
Daylight: 11 hrs 44 mins
Moonrise: 4:36 AM
Moon Transit: 8:28 AM
Moonset: 12:24 AM
Moon Phase: Last Quarter
Moon Illumination: 25.6%

Best Times for Fishing or Hunting

Major Periods

7:58 AM - 10:28 AM
5:25 PM - 7:55 PM

Minor Periods

11:54 AM - 1:24 PM
4:06 AM - 5:36 AM

Action Rating: 4 out of 5

Friday, March 13, 2026

Weather Forecast

Partly Cloudy
58.6°F
39.6°F
50.3°F
44%
0 in
0%
0%
28 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 0.93 μg/m3
PM10: 0.94 μg/m3
Carbon Monoxide: 121.62 μg/m3
Nitrogen Dioxide: 1.49 μg/m3
Sulphur Dioxide: 0.94 μg/m3
Ozone: 75.64 μg/m3

Astronomical

Sunrise: 7:42 AM
Sun Transit: 1:35 PM
Sunset: 7:30 PM
Daylight: 11 hrs 47 mins
Moonrise: 5:18 AM
Moon Transit: 9:20 AM
Moonset: 1:27 PM
Moon Phase: Waning Crescent
Moon Illumination: 16.4%

Best Times for Fishing or Hunting

Major Periods

8:50 AM - 11:20 AM
6:17 PM - 8:47 PM

Minor Periods

12:57 AM - 2:27 PM
4:48 AM - 6:18 AM

Action Rating: 2 out of 5

Saturday, March 14, 2026

Weather Forecast

Partly Cloudy
52.8°F
32.8°F
43.6°F
50%
0 in
0%
0%
30.4 mph
3


Air Quality

AQI: 1 - Good
PM2.5: 1.56 μg/m3
PM10: 1.7 μg/m3
Carbon Monoxide: 121.63 μg/m3
Nitrogen Dioxide: 1.97 μg/m3
Sulphur Dioxide: 0.95 μg/m3
Ozone: 67.85 μg/m3

Astronomical

Sunrise: 7:40 AM
Sun Transit: 12:00 AM
Sunset: 7:31 PM
Daylight: 11 hrs 51 mins
Moonrise: 5:52 AM
Moon Transit: 10:11 AM
Moonset: 2:38 PM
Moon Phase: Waning Crescent
Moon Illumination: 8.9%

Best Times for Fishing or Hunting

Major Periods

7:07 PM - 9:37 PM
9:41 AM - 12:11 AM

Minor Periods

2:08 PM - 3:38 PM
5:22 AM - 6:52 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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