Water Temperature of the Madison River in Grayling, MT

Current Water Temperature

59.5°F

Measurement Time: Friday, September 18, 2026, 10:45 PM MDT

Temperature Locations

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Local Points of Interest

Hebgen Lake; West Yellowstone, MT

Madison River

Station Name: Madison River bl Hebgen Lake nr Grayling MT
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 6,503 feet

Nearest Address:
8998 Hebgen Lake Rd
Grayling, MT 59758
Gallatin County

GPS Coordinates: 44.86639167, -111.3387806

Nearby Water Temperatures

Madison River, Cameron, MT (12 mi)
Madison River, West Yellowstone, MT (19.6 mi)
Gibbon River, Yellowstone National Park, WY (28.1 mi)
Firehole River, Yellowstone National Park, WY (28.9 mi)
Yellowstone River, Corwin Springs, MT (31.6 mi)
Tantalus Creek, Yellowstone National Park, WY (32 mi)
Madison River, Ennis, MT (32.4 mi)
Boiling River Hot Springs, Yellowstone National Park, WY (32.8 mi)
Firehole River, Yellowstone National Park, WY (37.9 mi)
Madison River, Norris, MT (45.4 mi)
Lamar River, Yellowstone National Park, WY (46.4 mi)
Snake River, Flagg Ranch, WY (62.5 mi)
Ruby River, Twin Bridges, MT (65.5 mi)
Jefferson River, Twin Bridges, MT (70.6 mi)
Big Hole River, Glen, MT (71.3 mi)

Weather for Grayling, Montana

Current Weather

42°F
Areas Of Fog
Areas Of Fog
100%
0 mph
42°F

Weather Forecast

Areas Of Fog
Overnight
41°F - Areas Of Fog
Areas Of Fog then Showers And Thunderstorms
Saturday
56°F - Areas Of Fog then Showers And Thunderstorms
Chance Showers And Thunderstorms then Areas Of Fog
Saturday Night
37°F - Chance Showers And Thunderstorms then Areas Of Fog
Areas Of Fog then Partly Sunny
Sunday
60°F - Areas Of Fog then Partly Sunny
Partly Cloudy
Sunday Night
36°F - Partly Cloudy
Sunny
Monday
67°F - Sunny
Mostly Clear
Monday Night
39°F - Mostly Clear
Mostly Sunny
Tuesday
69°F - Mostly Sunny
Partly Cloudy
Tuesday Night
40°F - Partly Cloudy
Mostly Sunny
Wednesday
69°F - Mostly Sunny
Mostly Clear
Wednesday Night
40°F - Mostly Clear
Sunny
Thursday
70°F - Sunny
Mostly Clear
Thursday Night
41°F - Mostly Clear
Mostly Sunny
Friday
70°F - Mostly Sunny

Astronomical

Sunrise: 7:09 AM
Sun Transit: 1:19 PM
Sunset: 7:28 PM
Daylight: 12 hrs 19 mins
Moonrise: 4:13 PM
Moon Transit: 8:16 PM
Moonset: 12:25 AM
Moon Phase: First Quarter
Moon Illumination: 54.3%

Best Times for Fishing or Hunting

Major Periods

4:24 AM - 6:54 AM
7:46 PM - 10:16 PM

Minor Periods

3:43 PM - 5:13 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: 7:09 AM
Sun Transit: 1:19 PM
Sunset: 7:28 PM
Daylight: 12 hrs 19 mins
Moonrise: 4:13 PM
Moon Transit: 8:16 PM
Moonset: 12:25 AM
Moon Phase: First Quarter
Moon Illumination: 54.3%

Best Times for Fishing or Hunting

Major Periods

4:24 AM - 6:54 AM
7:46 PM - 10:16 PM

Minor Periods

3:43 PM - 5:13 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: 7:09 AM
Sun Transit: 1:19 PM
Sunset: 7:28 PM
Daylight: 12 hrs 19 mins
Moonrise: 4:13 PM
Moon Transit: 8:16 PM
Moonset: 12:25 AM
Moon Phase: First Quarter
Moon Illumination: 54.3%

Best Times for Fishing or Hunting

Major Periods

4:24 AM - 6:54 AM
7:46 PM - 10:16 PM

Minor Periods

3:43 PM - 5:13 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: 7:09 AM
Sun Transit: 1:19 PM
Sunset: 7:28 PM
Daylight: 12 hrs 19 mins
Moonrise: 4:13 PM
Moon Transit: 8:16 PM
Moonset: 12:25 AM
Moon Phase: First Quarter
Moon Illumination: 54.3%

Best Times for Fishing or Hunting

Major Periods

4:24 AM - 6:54 AM
7:46 PM - 10:16 PM

Minor Periods

3:43 PM - 5:13 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: 1:18 PM
Sunset: 7:26 PM
Daylight: 12 hrs 16 mins
Moonrise: 4:50 PM
Moon Transit: 9:06 PM
Moonset: 12:25 AM
Moon Phase: First Quarter
Moon Illumination: 65.4%

Best Times for Fishing or Hunting

Major Periods

5:15 AM - 7:45 AM
8:36 PM - 11:06 PM

Minor Periods

4:20 PM - 5:50 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: 7:10 AM
Sun Transit: 1:18 PM
Sunset: 7:26 PM
Daylight: 12 hrs 16 mins
Moonrise: 4:50 PM
Moon Transit: 9:06 PM
Moonset: 12:25 AM
Moon Phase: First Quarter
Moon Illumination: 65.4%

Best Times for Fishing or Hunting

Major Periods

5:15 AM - 7:45 AM
8:36 PM - 11:06 PM

Minor Periods

4:20 PM - 5:50 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: 1:18 PM
Sunset: 7:24 PM
Daylight: 12 hrs 13 mins
Moonrise: 5:20 PM
Moon Transit: 9:54 PM
Moonset: 1:29 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 75.7%

Best Times for Fishing or Hunting

Major Periods

6:04 AM - 8:34 AM
9:24 PM - 11:54 PM

Minor Periods

4:50 PM - 6:20 PM
12:59 AM - 2:29 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: 1:18 PM
Sunset: 7:24 PM
Daylight: 12 hrs 13 mins
Moonrise: 5:20 PM
Moon Transit: 9:54 PM
Moonset: 1:29 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 75.7%

Best Times for Fishing or Hunting

Major Periods

6:04 AM - 8:34 AM
9:24 PM - 11:54 PM

Minor Periods

4:50 PM - 6:20 PM
12:59 AM - 2:29 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: 1:17 PM
Sunset: 7:22 PM
Daylight: 12 hrs 10 mins
Moonrise: 5:45 PM
Moon Transit: 10:40 PM
Moonset: 2:37 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 84.7%

Best Times for Fishing or Hunting

Major Periods

6:51 AM - 9:21 AM
12:00 AM - 12:00 AM

Minor Periods

5:15 PM - 6:45 PM
2:07 AM - 3:37 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: 7:12 AM
Sun Transit: 1:17 PM
Sunset: 7:22 PM
Daylight: 12 hrs 10 mins
Moonrise: 5:45 PM
Moon Transit: 10:40 PM
Moonset: 2:37 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 84.7%

Best Times for Fishing or Hunting

Major Periods

6:51 AM - 9:21 AM
12:00 AM - 12:00 AM

Minor Periods

5:15 PM - 6:45 PM
2:07 AM - 3:37 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: 7:14 AM
Sun Transit: 1:17 PM
Sunset: 7:20 PM
Daylight: 12 hrs 7 mins
Moonrise: 6:06 PM
Moon Transit: 11:25 PM
Moonset: 3:45 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 91.9%

Best Times for Fishing or Hunting

Major Periods

7:37 AM - 10:07 AM
12:00 AM - 12:00 AM

Minor Periods

5:36 PM - 7:06 PM
3:15 AM - 4:45 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: 7:14 AM
Sun Transit: 1:17 PM
Sunset: 7:20 PM
Daylight: 12 hrs 7 mins
Moonrise: 6:06 PM
Moon Transit: 11:25 PM
Moonset: 3:45 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 91.9%

Best Times for Fishing or Hunting

Major Periods

7:37 AM - 10:07 AM
12:00 AM - 12:00 AM

Minor Periods

5:36 PM - 7:06 PM
3:15 AM - 4:45 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: 7:15 AM
Sun Transit: 1:17 PM
Sunset: 7:18 PM
Daylight: 12 hrs 4 mins
Moonrise: 6:26 PM
Moon Transit: 12:00 AM
Moonset: 4:55 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
8:21 AM - 10:51 AM

Minor Periods

5:56 PM - 7:26 PM
4:25 AM - 5:55 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: 1:17 PM
Sunset: 7:18 PM
Daylight: 12 hrs 4 mins
Moonrise: 6:26 PM
Moon Transit: 12:00 AM
Moonset: 4:55 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
8:21 AM - 10:51 AM

Minor Periods

5:56 PM - 7:26 PM
4:25 AM - 5:55 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: 7:16 AM
Sun Transit: 1:16 PM
Sunset: 7:17 PM
Daylight: 12 hrs 1 mins
Moonrise: 6:44 PM
Moon Transit: 12:09 AM
Moonset: 6:06 AM
Moon Phase: Full
Moon Illumination: 99.6%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:05 AM - 11:35 AM

Minor Periods

6:14 PM - 7:44 PM
5:36 AM - 7:06 AM

Action Rating: 5 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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