Water Temperature of the Jefferson River in Waterloo, MT

Current Water Temperature

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Temperature Locations

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Jefferson River

Station Name: Jefferson River at Parsons Bdg nr Silver Star, MT
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 4,436 feet

Nearest Address:
650 Waterloo Rd
Waterloo, MT 59105
Silver Bow County

GPS Coordinates: 45.74750278, -112.1872278

Nearby Water Temperatures

Jefferson River, Twin Bridges, MT (11.5 mi)
Ruby River, Twin Bridges, MT (18 mi)
Big Hole River, Glen, MT (27.7 mi)
Jefferson River, Three Forks, MT (30.3 mi)
Madison River, Norris, MT (32.1 mi)
Madison River, Ennis, MT (41.3 mi)
Warm Springs Creek, Warm Springs, MT (41.5 mi)
Missouri River, Toston, MT (46 mi)
Big Hole River, Wisdom, MT (61.9 mi)
Madison River, Cameron, MT (66.2 mi)
Madison River, Grayling, MT (73.5 mi)
Camas Creek, White Sulphur Springs, MT (79.9 mi)
Yellowstone River, Corwin Springs, MT (80.6 mi)
Missouri River, Wolf Creek, MT (86.6 mi)
Boiling River Hot Springs, Yellowstone National Park, WY (89.8 mi)

Weather for Waterloo, Montana

Current Weather

39°F
Overcast
Overcast
38.3°F
29.1°F
70%
S 2.2 mph
3.3 mph
25.5°F
26.9°F
0 in
100%
9 mi
985 mbar
0

Five Day Weather Forecast

Moderate or heavy snow showers
Tue
H: 39°F
L: 12°F
Moderate or heavy snow showers
Wed
H: 30°F
L: 12°F
Moderate or heavy snow showers
Thu
H: 29°F
L: -4°F
Cloudy
Fri
H: 29°F
L: 5°F
Partly Cloudy
Sat
H: 31°F
L: 15°F

Air Quality

AQI: 1 - Good
PM2.5: 1.25 μg/m3
PM10: 1.55 μg/m3
Carbon Monoxide: 148.85 μg/m3
Nitrogen Dioxide: 1.25 μg/m3
Sulphur Dioxide: 1.85 μg/m3
Ozone: 98 μg/m3

Astronomical

Sunrise: 7:27 AM
Sun Transit: 12:42 AM
Sunset: 5:59 PM
Daylight: 10 hrs 31 mins
Moonrise: 7:41 AM
Moon Transit: 12:58 AM
Moonset: 6:29 PM
Moon Phase: New
Moon Illumination: 0.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:28 AM - 2:58 PM

Minor Periods

5:59 PM - 7:29 PM
7:11 AM - 8:41 AM

Action Rating: 5 out of 5

Winter Weather Advisory issued February 15 at 12:17PM MST until February 17 at 5:00PM MST by NWS Missoula MT

Effective: Sun February 15, 2026, 7:17 PM
Expires: Wed February 18, 2026, 12:00 AM

* WHAT...Snow expected. There is a likelihood of moderate winter weather impacts. Total snow accumulations between 1 and 3 inches, with 4 to 6 inches in the mountains. * WHERE...Homestake Pass, Georgetown Lake, Butte, Highway 12 Garrison to Elliston, and MacDonald Pass. * WHEN...From 2 AM to 5 PM MST Tuesday. * IMPACTS...For MODERATE winter weather impacts, expect disruptions to normal activities. Hazardous traveling conditions. Use extra caution while driving. Closures and disruptions to infrastructure may occur. The hazardous conditions could impact the Tuesday morning and evening commutes, especially over higher passes. * ADDITIONAL DETAILS...A passing cold front Tuesday morning will bring an elevated risk for snow squalls capable of producing bursts of heavy snow, gusty winds, and freezing roadways.

Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1.


Winter Weather Advisory issued February 16 at 1:23PM MST until February 17 at 5:00PM MST by NWS Great Falls MT

Effective: Mon February 16, 2026, 8:23 PM
Expires: Tue February 17, 2026, 11:30 AM

* WHAT...Snow expected. Total snow accumulations between 2 and 5 inches. Winds gusting as high as 45 mph. * WHERE...The Continental Divide along the Rocky Mountain Front, Upper Blackfoot and MacDonald Pass, Elkhorn and Boulder Mountains, and Northwest Beaverhead County. * WHEN...From 2 AM to 5 PM MST Tuesday. * IMPACTS...Travel could be very difficult. Gusty winds could create areas of reduced visibility in blowing and drifting snow.

Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website.


Winter Weather Advisory issued February 16 at 1:23PM MST until February 17 at 5:00PM MST by NWS Great Falls MT

Effective: Mon February 16, 2026, 8:23 PM
Expires: Tue February 17, 2026, 11:30 AM

* WHAT...Snow expected. Total snow accumulations between 2 and 6 inches with up to 10 inches above 70000 feet near the continental divide. Winds gusting as high as 50 mpg over ridgetops and through north to south oriented valleys. * WHERE...Gallatin and Madison County Mountains and Centennial Mountains and Ruby Mountains and Southern Beaverhead Mountains. * WHEN...From 11 PM this evening to 5 PM MST Tuesday. * IMPACTS...Tire chains may be required for some vehicles if traveling through mountain passes. Gusty winds will create areas of reduced visibility in blowing and drifting snow.

Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website.


Tuesday, February 17, 2026

Weather Forecast

Moderate or heavy snow showers
39.2°F
11.8°F
28.7°F
68%
0.12 in
84%
4%
17 mph
0.3


Air Quality

AQI: 1 - Good
PM2.5: 3.31 μg/m3
PM10: 5.87 μg/m3
Carbon Monoxide: 140.81 μg/m3
Nitrogen Dioxide: 2.33 μg/m3
Sulphur Dioxide: 1.54 μg/m3
Ozone: 100.88 μg/m3

Astronomical

Sunrise: 7:27 AM
Sun Transit: 12:42 AM
Sunset: 5:59 PM
Daylight: 10 hrs 31 mins
Moonrise: 7:41 AM
Moon Transit: 12:58 AM
Moonset: 6:29 PM
Moon Phase: New
Moon Illumination: 0.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:28 AM - 2:58 PM

Minor Periods

5:59 PM - 7:29 PM
7:11 AM - 8:41 AM

Action Rating: 5 out of 5

Wednesday, February 18, 2026

Weather Forecast

Moderate or heavy snow showers
30°F
11.7°F
19.8°F
80%
0.12 in
79%
15%
10.7 mph
0.3


Air Quality

AQI: 1 - Good
PM2.5: 3.19 μg/m3
PM10: 4.22 μg/m3
Carbon Monoxide: 164.53 μg/m3
Nitrogen Dioxide: 3.25 μg/m3
Sulphur Dioxide: 1.55 μg/m3
Ozone: 77.32 μg/m3

Astronomical

Sunrise: 7:26 AM
Sun Transit: 12:42 AM
Sunset: 6:00 PM
Daylight: 10 hrs 35 mins
Moonrise: 7:59 AM
Moon Transit: 1:44 PM
Moonset: 7:43 PM
Moon Phase: New
Moon Illumination: 1.3%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
1:14 PM - 3:44 PM

Minor Periods

7:13 PM - 8:43 PM
7:29 AM - 8:59 AM

Action Rating: 4 out of 5

Thursday, February 19, 2026

Weather Forecast

Moderate or heavy snow showers
28.6°F
-3.8°F
16.4°F
77%
0.22 in
76%
15%
9.2 mph
0.4


Air Quality

AQI: 1 - Good
PM2.5: 2.92 μg/m3
PM10: 3.49 μg/m3
Carbon Monoxide: 166.97 μg/m3
Nitrogen Dioxide: 3.67 μg/m3
Sulphur Dioxide: 1.27 μg/m3
Ozone: 69.88 μg/m3

Astronomical

Sunrise: 7:24 AM
Sun Transit: 12:42 AM
Sunset: 6:02 PM
Daylight: 10 hrs 38 mins
Moonrise: 8:17 AM
Moon Transit: 2:07 PM
Moonset: 8:58 PM
Moon Phase: Waxing Crescent
Moon Illumination: 5.2%

Best Times for Fishing or Hunting

Major Periods

1:37 PM - 4:07 PM
1:37 PM - 4:07 PM

Minor Periods

8:28 PM - 9:58 PM
7:47 AM - 9:17 AM

Action Rating: 3 out of 5

Friday, February 20, 2026

Weather Forecast

Cloudy
28.5°F
4.8°F
18.8°F
66%
0 in
0%
3%
14.1 mph
0.4


Air Quality

AQI: 1 - Good
PM2.5: 3.72 μg/m3
PM10: 4.73 μg/m3
Carbon Monoxide: 151.07 μg/m3
Nitrogen Dioxide: 3.61 μg/m3
Sulphur Dioxide: 1.21 μg/m3
Ozone: 97.2 μg/m3

Astronomical

Sunrise: 7:22 AM
Sun Transit: 12:42 AM
Sunset: 6:03 PM
Daylight: 10 hrs 41 mins
Moonrise: 8:36 AM
Moon Transit: 3:16 PM
Moonset: 10:15 PM
Moon Phase: Waxing Crescent
Moon Illumination: 11.3%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
2:46 PM - 5:16 PM

Minor Periods

9:45 PM - 11:15 PM
8:06 AM - 9:36 AM

Action Rating: 2 out of 5

Saturday, February 21, 2026

Weather Forecast

Partly Cloudy
30.9°F
15.2°F
21.7°F
73%
0 in
0%
18%
11 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 3.33 μg/m3
PM10: 3.77 μg/m3
Carbon Monoxide: 199.76 μg/m3
Nitrogen Dioxide: 7.37 μg/m3
Sulphur Dioxide: 1.1 μg/m3
Ozone: 83.08 μg/m3

Astronomical

Sunrise: 7:21 AM
Sun Transit: 12:42 AM
Sunset: 6:04 PM
Daylight: 10 hrs 44 mins
Moonrise: 8:55 AM
Moon Transit: 4:06 PM
Moonset: 11:34 PM
Moon Phase: Waxing Crescent
Moon Illumination: 19.4%

Best Times for Fishing or Hunting

Major Periods

12:07 AM - 2:37 AM
3:36 PM - 6:06 PM

Minor Periods

12:00 AM - 12:00 AM
8:25 AM - 9:55 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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