Water Temperature of the Madison River in Grayling, MT

Current Water Temperature

32.0°F

Measurement Time: Saturday, September 26, 2026, 2:52 AM 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

37°F
Mostly Sunny
Mostly Sunny
83%
SSE 5 mph
32°F

Weather Forecast

Mostly Sunny
Today
59°F - Mostly Sunny
Mostly Cloudy
Tonight
39°F - Mostly Cloudy
Cloudy
Sunday
63°F - Cloudy
Cloudy then Slight Chance Light Rain
Sunday Night
39°F - Cloudy then Slight Chance Light Rain
Chance Light Rain then Chance Showers And Thunderstorms
Monday
60°F - Chance Light Rain then Chance Showers And Thunderstorms
Mostly Clear
Monday Night
35°F - Mostly Clear
Sunny
Tuesday
63°F - Sunny
Mostly Clear
Tuesday Night
37°F - Mostly Clear
Sunny
Wednesday
61°F - Sunny
Partly Cloudy
Wednesday Night
36°F - Partly Cloudy
Mostly Sunny
Thursday
61°F - Mostly Sunny
Partly Cloudy
Thursday Night
36°F - Partly Cloudy
Partly Sunny
Friday
58°F - Partly Sunny
Mostly Cloudy then Slight Chance Light Snow
Friday Night
32°F - Mostly Cloudy then Slight Chance Light Snow

Astronomical

Sunrise: 7:17 AM
Sun Transit: 1:16 PM
Sunset: 7:15 PM
Daylight: 11 hrs 57 mins
Moonrise: 7:03 PM
Moon Transit: 12:53 AM
Moonset: 7:17 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

12:23 AM - 2:53 AM
6:03 AM - 8:33 AM

Minor Periods

6:33 PM - 8:03 PM
6:47 AM - 8:17 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: 7:17 AM
Sun Transit: 1:16 PM
Sunset: 7:15 PM
Daylight: 11 hrs 57 mins
Moonrise: 7:03 PM
Moon Transit: 12:53 AM
Moonset: 7:17 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

12:23 AM - 2:53 AM
6:03 AM - 8:33 AM

Minor Periods

6:33 PM - 8:03 PM
6:47 AM - 8:17 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: 7:17 AM
Sun Transit: 1:16 PM
Sunset: 7:15 PM
Daylight: 11 hrs 57 mins
Moonrise: 7:03 PM
Moon Transit: 12:53 AM
Moonset: 7:17 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

12:23 AM - 2:53 AM
6:03 AM - 8:33 AM

Minor Periods

6:33 PM - 8:03 PM
6:47 AM - 8:17 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: 7:18 AM
Sun Transit: 1:16 PM
Sunset: 7:13 PM
Daylight: 11 hrs 54 mins
Moonrise: 7:24 PM
Moon Transit: 12:00 AM
Moonset: 8:32 AM
Moon Phase: Full
Moon Illumination: 97.3%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
10:37 AM - 1:07 PM

Minor Periods

6:54 PM - 8:24 PM
8:02 AM - 9:32 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: 7:18 AM
Sun Transit: 1:16 PM
Sunset: 7:13 PM
Daylight: 11 hrs 54 mins
Moonrise: 7:24 PM
Moon Transit: 12:00 AM
Moonset: 8:32 AM
Moon Phase: Full
Moon Illumination: 97.3%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
10:37 AM - 1:07 PM

Minor Periods

6:54 PM - 8:24 PM
8:02 AM - 9:32 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: 7:20 AM
Sun Transit: 1:15 PM
Sunset: 7:11 PM
Daylight: 11 hrs 51 mins
Moonrise: 7:49 PM
Moon Transit: 2:28 AM
Moonset: 9:48 AM
Moon Phase: Full
Moon Illumination: 92.4%

Best Times for Fishing or Hunting

Major Periods

1:58 AM - 4:28 AM
11:26 AM - 1:56 PM

Minor Periods

7:19 PM - 8:49 PM
9:18 AM - 10:48 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: 7:20 AM
Sun Transit: 1:15 PM
Sunset: 7:11 PM
Daylight: 11 hrs 51 mins
Moonrise: 7:49 PM
Moon Transit: 2:28 AM
Moonset: 9:48 AM
Moon Phase: Full
Moon Illumination: 92.4%

Best Times for Fishing or Hunting

Major Periods

1:58 AM - 4:28 AM
11:26 AM - 1:56 PM

Minor Periods

7:19 PM - 8:49 PM
9:18 AM - 10:48 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: 7:21 AM
Sun Transit: 1:15 PM
Sunset: 7:09 PM
Daylight: 11 hrs 48 mins
Moonrise: 8:20 PM
Moon Transit: 3:20 AM
Moonset: 11:08 AM
Moon Phase: Waning Gibbous
Moon Illumination: 85.4%

Best Times for Fishing or Hunting

Major Periods

2:50 AM - 5:20 AM
12:20 AM - 2:50 PM

Minor Periods

7:50 PM - 9:20 PM
10:38 AM - 12:08 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: 7:21 AM
Sun Transit: 1:15 PM
Sunset: 7:09 PM
Daylight: 11 hrs 48 mins
Moonrise: 8:20 PM
Moon Transit: 3:20 AM
Moonset: 11:08 AM
Moon Phase: Waning Gibbous
Moon Illumination: 85.4%

Best Times for Fishing or Hunting

Major Periods

2:50 AM - 5:20 AM
12:20 AM - 2:50 PM

Minor Periods

7:50 PM - 9:20 PM
10:38 AM - 12:08 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: 7:22 AM
Sun Transit: 1:15 PM
Sunset: 7:07 PM
Daylight: 11 hrs 45 mins
Moonrise: 9:00 PM
Moon Transit: 4:16 AM
Moonset: 12:28 AM
Moon Phase: Waning Gibbous
Moon Illumination: 76.5%

Best Times for Fishing or Hunting

Major Periods

3:46 AM - 6:16 AM
1:18 PM - 3:48 PM

Minor Periods

8:30 PM - 10:00 PM
11:58 AM - 1:28 PM

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: 7:22 AM
Sun Transit: 1:15 PM
Sunset: 7:07 PM
Daylight: 11 hrs 45 mins
Moonrise: 9:00 PM
Moon Transit: 4:16 AM
Moonset: 12:28 AM
Moon Phase: Waning Gibbous
Moon Illumination: 76.5%

Best Times for Fishing or Hunting

Major Periods

3:46 AM - 6:16 AM
1:18 PM - 3:48 PM

Minor Periods

8:30 PM - 10:00 PM
11:58 AM - 1:28 PM

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: 7:23 AM
Sun Transit: 1:14 PM
Sunset: 7:05 PM
Daylight: 11 hrs 42 mins
Moonrise: 9:53 PM
Moon Transit: 5:17 AM
Moonset: 1:43 PM
Moon Phase: Waning Gibbous
Moon Illumination: 66.3%

Best Times for Fishing or Hunting

Major Periods

4:47 AM - 7:17 AM
2:20 PM - 4:50 PM

Minor Periods

9:23 PM - 10:53 PM
1:13 PM - 2:43 PM

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: 7:23 AM
Sun Transit: 1:14 PM
Sunset: 7:05 PM
Daylight: 11 hrs 42 mins
Moonrise: 9:53 PM
Moon Transit: 5:17 AM
Moonset: 1:43 PM
Moon Phase: Waning Gibbous
Moon Illumination: 66.3%

Best Times for Fishing or Hunting

Major Periods

4:47 AM - 7:17 AM
2:20 PM - 4:50 PM

Minor Periods

9:23 PM - 10:53 PM
1:13 PM - 2:43 PM

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: 7:25 AM
Sun Transit: 1:14 PM
Sunset: 7:04 PM
Daylight: 11 hrs 39 mins
Moonrise: 10:58 PM
Moon Transit: 6:20 AM
Moonset: 2:47 PM
Moon Phase: Last Quarter
Moon Illumination: 55.3%

Best Times for Fishing or Hunting

Major Periods

5:50 AM - 8:20 AM
3:23 PM - 5:53 PM

Minor Periods

10:28 PM - 11:58 PM
2:17 PM - 3:47 PM

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: 7:25 AM
Sun Transit: 1:14 PM
Sunset: 7:04 PM
Daylight: 11 hrs 39 mins
Moonrise: 10:58 PM
Moon Transit: 6:20 AM
Moonset: 2:47 PM
Moon Phase: Last Quarter
Moon Illumination: 55.3%

Best Times for Fishing or Hunting

Major Periods

5:50 AM - 8:20 AM
3:23 PM - 5:53 PM

Minor Periods

10:28 PM - 11:58 PM
2:17 PM - 3:47 PM

Action Rating: 2 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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