Water Temperature of the Madison River in Grayling, MT

Current Water Temperature

36.1°F

Measurement Time: Friday, March 13, 2026, 5:45 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

28.7°F
Overcast
Overcast
18.5°F
28.7°F
77%
SW 6.5 mph
13.6 mph
18.5°F
22.4°F
0 in
89%
6 mi
1008 mbar
0

Five Day Weather Forecast

Moderate or heavy snow showers
Sat
H: 35°F
L: 8°F
Partly Cloudy
Sun
H: 25°F
L: 2°F
Moderate or heavy snow showers
Mon
H: 33°F
L: 12°F
Moderate or heavy snow showers
Tue
H: 47°F
L: 21°F
Sunny
Wed
H: 51°F
L: 25°F

Air Quality

PM2.5: 2.75 μg/m3
PM10: 5.75 μg/m3
Carbon Monoxide: 114.85 μg/m3
Nitrogen Dioxide: 2.15 μg/m3
Sulphur Dioxide: 0.95 μg/m3
Ozone: 97 μg/m3

Astronomical

Sunrise: 7:39 AM
Sun Transit: 12:00 AM
Sunset: 7:30 PM
Daylight: 11 hrs 51 mins
Moonrise: 5:47 AM
Moon Transit: 10:10 AM
Moonset: 2:41 PM
Moon Phase: Waning Crescent
Moon Illumination: 8.9%

Best Times for Fishing or Hunting

Major Periods

7:08 PM - 9:38 PM
9:40 AM - 12:10 AM

Minor Periods

2:11 PM - 3:41 PM
5:17 AM - 6:47 AM

Action Rating: 3 out of 5

High Wind Warning issued March 13 at 12:48PM MDT until March 14 at 9:00PM MDT by NWS Great Falls MT

Effective: Fri March 13, 2026, 12:48 PM
Expires: Sat March 14, 2026, 4:00 AM

* WHAT...Northwest winds 30 to 40 mph with gusts up to 60 mph expected. * WHERE...Southwestern Montana along and south of Interstate 90, Big Belt, Bridger and Castle Mountains, Elkhorn and Boulder Mountains, and Canyon Ferry Area. * WHEN...From noon to 9 PM MDT Saturday. * IMPACTS...High winds may move loose debris, damage property and cause power outages. Travel could be difficult, especially for high profile vehicles. Blowing dust could reduce visibility at times, particularly in the Interstate 90 Corridor. * ADDITIONAL DETAILS...A few heavy snow showers or snow squalls will be possible as well, particularly in the afternoon.

People are urged to secure loose objects that could be blown around or damaged by the wind. Remember, a High Wind Warning means that there is at least an 80% chance of 40 mph sustained winds or 58 mph wind gusts occurring during the warning period.


Wind Advisory issued March 13 at 12:20PM MDT until March 13 at 9:00PM MDT by NWS Pocatello ID

Effective: Fri March 13, 2026, 12:20 PM
Expires: Fri March 13, 2026, 9:30 PM

* WHAT...For the Wind Advisory today, southwest winds 25 to 35 mph with gusts up to 50 mph. For the High Wind Warning Saturday, west winds 35 to 45 mph with gusts up to 65 mph expected. For the Blowing Dust Warning Saturday, widespread blowing dust expected, and travel disruptions will be possible. * WHERE...Upper Snake River Plain. * WHEN...For the Wind Advisory, until 9 PM MDT this evening. For the High Wind Warning, from 9 AM to 9 PM MDT Saturday. For the Blowing Dust Warning, from noon to 9 PM MDT Saturday. * IMPACTS...Severely limited visibilities are expected. Travel will be dangerous and possibly life-threatening. Travel will be difficult, especially for high profile vehicles. Isolated damage to trees, powerlines, signs, and outbuildings is expected, along with isolated power outages. Loose outdoor objects will be blown around. Gusty winds could make driving difficult, especially for high profile vehicles. Unsecured objects may be blown around.

Persons with respiratory problems should make preparations to stay indoors until the storm passes. Be ready for a sudden drop in visibility to near zero. If you encounter blowing dust or blowing sand on the roadway or see it approaching, pull off the road as far as possible and put your vehicle in park. Turn the lights all the way off and keep foot off the brake pedal. Remember, 'Pull Aside, Stay Alive'. Secure or bring inside loose outdoor objects before the high winds begin. During the high winds, avoid being outside in forested areas or around trees, branches, and powerlines. Use caution if you must drive, and keep both hands firmly on the steering wheel. Drivers of high profile vehicles should consider delaying travel until the high winds subside. Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects.


Wind Advisory issued March 13 at 12:20PM MDT until March 13 at 9:00PM MDT by NWS Pocatello ID

Effective: Fri March 13, 2026, 12:20 PM
Expires: Fri March 13, 2026, 9:30 PM

* WHAT...For the Wind Advisory today, southwest winds 25 to 35 mph with gusts up to 45 mph. For the High Wind Warning Saturday, west winds 40 to 50 mph with gusts up to 65 mph expected. * WHERE...Teton Valley, Arco/Mud Lake Desert, and Lower Snake River Plain. * WHEN...For the Wind Advisory, until 9 PM MDT this evening. For the High Wind Warning, from 9 AM to 9 PM MDT Saturday. * IMPACTS...Travel will be difficult, especially for high profile vehicles. Isolated damage to trees, powerlines, signs, and outbuildings is expected, along with isolated power outages. Loose outdoor objects will be blown around. Gusty winds could make driving difficult, especially for high profile vehicles. Unsecured objects may be blown around.

Secure or bring inside loose outdoor objects before the high winds begin. During the high winds, avoid being outside in forested areas or around trees, branches, and powerlines. Use caution if you must drive, and keep both hands firmly on the steering wheel. Drivers of high profile vehicles should consider delaying travel until the high winds subside. Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects.


High Wind Warning issued March 13 at 12:20PM MDT until March 14 at 9:00PM MDT by NWS Pocatello ID

Effective: Fri March 13, 2026, 12:20 PM
Expires: Fri March 13, 2026, 9:30 PM

* WHAT...For the Wind Advisory today, southwest winds 25 to 35 mph with gusts up to 50 mph. For the High Wind Warning Saturday, west winds 35 to 45 mph with gusts up to 65 mph expected. For the Blowing Dust Warning Saturday, widespread blowing dust expected, and travel disruptions will be possible. * WHERE...Upper Snake River Plain. * WHEN...For the Wind Advisory, until 9 PM MDT this evening. For the High Wind Warning, from 9 AM to 9 PM MDT Saturday. For the Blowing Dust Warning, from noon to 9 PM MDT Saturday. * IMPACTS...Severely limited visibilities are expected. Travel will be dangerous and possibly life-threatening. Travel will be difficult, especially for high profile vehicles. Isolated damage to trees, powerlines, signs, and outbuildings is expected, along with isolated power outages. Loose outdoor objects will be blown around. Gusty winds could make driving difficult, especially for high profile vehicles. Unsecured objects may be blown around.

Persons with respiratory problems should make preparations to stay indoors until the storm passes. Be ready for a sudden drop in visibility to near zero. If you encounter blowing dust or blowing sand on the roadway or see it approaching, pull off the road as far as possible and put your vehicle in park. Turn the lights all the way off and keep foot off the brake pedal. Remember, 'Pull Aside, Stay Alive'. Secure or bring inside loose outdoor objects before the high winds begin. During the high winds, avoid being outside in forested areas or around trees, branches, and powerlines. Use caution if you must drive, and keep both hands firmly on the steering wheel. Drivers of high profile vehicles should consider delaying travel until the high winds subside. Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects.


High Wind Warning issued March 13 at 12:20PM MDT until March 14 at 9:00PM MDT by NWS Pocatello ID

Effective: Fri March 13, 2026, 12:20 PM
Expires: Fri March 13, 2026, 9:30 PM

* WHAT...For the Wind Advisory today, southwest winds 25 to 35 mph with gusts up to 45 mph. For the High Wind Warning Saturday, west winds 40 to 50 mph with gusts up to 65 mph expected. * WHERE...Teton Valley, Arco/Mud Lake Desert, and Lower Snake River Plain. * WHEN...For the Wind Advisory, until 9 PM MDT this evening. For the High Wind Warning, from 9 AM to 9 PM MDT Saturday. * IMPACTS...Travel will be difficult, especially for high profile vehicles. Isolated damage to trees, powerlines, signs, and outbuildings is expected, along with isolated power outages. Loose outdoor objects will be blown around. Gusty winds could make driving difficult, especially for high profile vehicles. Unsecured objects may be blown around.

Secure or bring inside loose outdoor objects before the high winds begin. During the high winds, avoid being outside in forested areas or around trees, branches, and powerlines. Use caution if you must drive, and keep both hands firmly on the steering wheel. Drivers of high profile vehicles should consider delaying travel until the high winds subside. Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects.


Saturday, March 14, 2026

Weather Forecast

Moderate or heavy snow showers
34.5°F
8.4°F
25.1°F
84%
0.21 in
77%
4%
22.6 mph
0.5


Air Quality

AQI: 1 - Good
PM2.5: 2.23 μg/m3
PM10: 4.03 μg/m3
Carbon Monoxide: 119.13 μg/m3
Nitrogen Dioxide: 1.79 μg/m3
Sulphur Dioxide: 0.95 μg/m3
Ozone: 94.96 μg/m3

Astronomical

Sunrise: 7:39 AM
Sun Transit: 12:00 AM
Sunset: 7:30 PM
Daylight: 11 hrs 51 mins
Moonrise: 5:47 AM
Moon Transit: 10:10 AM
Moonset: 2:41 PM
Moon Phase: Waning Crescent
Moon Illumination: 8.9%

Best Times for Fishing or Hunting

Major Periods

7:08 PM - 9:38 PM
9:40 AM - 12:10 AM

Minor Periods

2:11 PM - 3:41 PM
5:17 AM - 6:47 AM

Action Rating: 3 out of 5

Sunday, March 15, 2026

Weather Forecast

Partly Cloudy
25°F
1.6°F
13.1°F
57%
0 in
0%
0%
8.7 mph
0.9


Air Quality

AQI: 1 - Good
PM2.5: 2.45 μg/m3
PM10: 2.93 μg/m3
Carbon Monoxide: 141.05 μg/m3
Nitrogen Dioxide: 1.55 μg/m3
Sulphur Dioxide: 1.07 μg/m3
Ozone: 109.44 μg/m3

Astronomical

Sunrise: 7:37 AM
Sun Transit: 12:00 AM
Sunset: 7:31 PM
Daylight: 11 hrs 54 mins
Moonrise: 6:15 AM
Moon Transit: 10:58 AM
Moonset: 3:52 PM
Moon Phase: Waning Crescent
Moon Illumination: 3.6%

Best Times for Fishing or Hunting

Major Periods

7:56 PM - 10:26 PM
10:28 AM - 12:58 AM

Minor Periods

3:22 PM - 4:52 PM
5:45 AM - 7:15 AM

Action Rating: 4 out of 5

Monday, March 16, 2026

Weather Forecast

Moderate or heavy snow showers
32.7°F
11.7°F
22.3°F
82%
0.77 in
60%
39%
6 mph
0.8


Air Quality

AQI: 1 - Good
PM2.5: 3.23 μg/m3
PM10: 4.56 μg/m3
Carbon Monoxide: 139.55 μg/m3
Nitrogen Dioxide: 2.47 μg/m3
Sulphur Dioxide: 1.09 μg/m3
Ozone: 111 μg/m3

Astronomical

Sunrise: 7:35 AM
Sun Transit: 12:00 AM
Sunset: 7:33 PM
Daylight: 11 hrs 57 mins
Moonrise: 6:38 AM
Moon Transit: 11:46 AM
Moonset: 5:05 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.6%

Best Times for Fishing or Hunting

Major Periods

8:43 PM - 11:13 PM
11:16 AM - 1:46 PM

Minor Periods

4:35 PM - 6:05 PM
6:08 AM - 7:38 AM

Action Rating: 3 out of 5

Tuesday, March 17, 2026

Weather Forecast

Moderate or heavy snow showers
46.8°F
21°F
31.7°F
86%
0.12 in
82%
3%
7.6 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 5.84 μg/m3
PM10: 6.79 μg/m3
Carbon Monoxide: 154.62 μg/m3
Nitrogen Dioxide: 2.95 μg/m3
Sulphur Dioxide: 0.98 μg/m3
Ozone: 99.08 μg/m3

Astronomical

Sunrise: 7:34 AM
Sun Transit: 12:00 AM
Sunset: 7:34 PM
Daylight: 12 hrs mins
Moonrise: 6:59 AM
Moon Transit: 12:32 AM
Moonset: 6:19 PM
Moon Phase: New
Moon Illumination: 0.1%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:02 AM - 2:32 PM

Minor Periods

5:49 PM - 7:19 PM
6:29 AM - 7:59 AM

Action Rating: 5 out of 5

Wednesday, March 18, 2026

Weather Forecast

Sunny
50.9°F
24.9°F
32°F
75%
0 in
0%
0%
7.2 mph
2


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: 7:32 AM
Sun Transit: 12:00 AM
Sunset: 7:35 PM
Daylight: 12 hrs 4 mins
Moonrise: 7:18 AM
Moon Transit: 11:31 PM
Moonset: 7:34 PM
Moon Phase: New
Moon Illumination: 2.2%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:00 AM - 12:00 AM

Minor Periods

7:04 PM - 8:34 PM
6:48 AM - 8:18 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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