Water Temperature of the Madison River in Grayling, MT
Current Water Temperature
Measurement Time: Monday, October 27, 2025, 11:45 AM MDT
Temperature Locations
View Nearby Locations View All Montana Locations View Locations Near Me
Local Points of Interest
Hebgen Lake; West Yellowstone, MTSponsored Content
Station Name: Madison River bl Hebgen Lake nr Grayling MT
Data Source: Water Data - usgc.gov
Elevation Above Sea Level: 6,503 feet / 1,982 meters
Nearest Address:
8998 Hebgen Lake Rd
Grayling, MT 59758
Gallatin County
GPS Coordinates: 44.86639167, -111.3387806
Nearby Water Temperatures
Madison River, Cameron, MT (12.0 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 (32.0 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

Humidity: 43%
Feels Like: 19.4°F
Wind: WNW 10.1 mph
Wind Gusts: 21 mph
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 0
Five Day Weather Forecast

Mon
H: 32°F
L: 18°F

Tue
H: 37°F
L: 15°F

Wed
H: 44°F
L: 15°F

Thu
H: 43°F
L: 20°F

Fri
H: 45°F
L: 18°F
Air Quality
Nitrogen Dioxide: 3.05 μg/m3
Sulphur Dioxide: 4.95 μg/m3
Ozone: 85 μg/m3
Astronomical
Sun Transit: 1:09 PM
Sunset: 6:21 PM
Daylight: 10 hrs 23 mins
Moon Transit: 6:09 PM
Moonset: 10:18 PM
Moon Phase: Waxing Crescent
Moon Illumination: 30.3%
Best Times for Fishing or Hunting
Major Periods
2:16 AM - 4:46 AM5:39 PM - 8:09 PM
Minor Periods
9:48 PM - 11:18 PM1:36 PM - 3:06 PM
Action Rating: 2 out of 5
Winter Weather Advisory issued October 27 at 2:01AM MDT until October 27 at 3:00PM MDT by NWS Pocatello ID
Effective: Mon October 27, 2025, 2:01 AM
Expires: Mon October 27, 2025, 3:00 PM
* WHAT...Snow. Additional snow accumulations of around 2 to 4 inches with up to 6 inches possible for extreme eastern mountain areas. Winds gusting as high as 40 mph. * WHERE...Big Hole Mountains, Centennial Mountains - Island Park, Bear River Range, and Caribou Range. * WHEN...Until 3 PM MDT this afternoon. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the Monday morning commute. Gusty winds could bring down tree branches and patchy blowing snow could reduce visibility at times.
Slow down and use caution while traveling. Call 5 1 1 or visit 511.idaho.gov for the latest road conditions.
Weather Forecast
Average Temperature: 25.5°F
Average Humidity: 70%
Wind: 13.6 mph
UV Index: 0.6
Air Quality
Nitrogen Dioxide: 1.67 μg/m3
Sulphur Dioxide: 2.45 μg/m3
Ozone: 89.52 μg/m3
Astronomical
Sun Transit: 1:09 PM
Sunset: 6:21 PM
Daylight: 10 hrs 23 mins
Moon Transit: 6:09 PM
Moonset: 10:18 PM
Moon Phase: Waxing Crescent
Moon Illumination: 30.3%
Best Times for Fishing or Hunting
Major Periods
2:16 AM - 4:46 AM5:39 PM - 8:09 PM
Minor Periods
9:48 PM - 11:18 PM1:36 PM - 3:06 PM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 22.5°F
Average Humidity: 63%
Wind: 5.1 mph
UV Index: 0.7
Air Quality
Nitrogen Dioxide: 2.29 μg/m3
Sulphur Dioxide: 3.27 μg/m3
Ozone: 87 μg/m3
Astronomical
Sun Transit: 1:09 PM
Sunset: 6:19 PM
Daylight: 10 hrs 20 mins
Moon Transit: 7:00 PM
Moonset: 11:25 PM
Moon Phase: First Quarter
Moon Illumination: 41.2%
Best Times for Fishing or Hunting
Major Periods
3:08 AM - 5:38 AM6:30 PM - 9:00 PM
Minor Periods
12:00 AM - 12:00 AM2:13 PM - 3:43 PM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 28.8°F
Average Humidity: 48%
Wind: 6.9 mph
UV Index: 0.6
Air Quality
Nitrogen Dioxide: 2.84 μg/m3
Sulphur Dioxide: 1.86 μg/m3
Ozone: 95.6 μg/m3
Astronomical
Sun Transit: 1:09 PM
Sunset: 6:18 PM
Daylight: 10 hrs 18 mins
Moon Transit: 7:50 PM
Moonset: 12:25 AM
Moon Phase: First Quarter
Moon Illumination: 52.5%
Best Times for Fishing or Hunting
Major Periods
3:59 AM - 6:29 AM7:20 PM - 9:50 PM
Minor Periods
2:42 PM - 4:12 PM12:00 AM - 12:00 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 29.5°F
Average Humidity: 62%
Wind: 3.6 mph
UV Index: 0.5
Air Quality
Nitrogen Dioxide: 4.27 μg/m3
Sulphur Dioxide: 1.21 μg/m3
Ozone: 99.2 μg/m3
Astronomical
Sun Transit: 1:09 PM
Sunset: 6:16 PM
Daylight: 10 hrs 15 mins
Moon Transit: 8:38 PM
Moonset: 12:37 AM
Moon Phase: First Quarter
Moon Illumination: 63.7%
Best Times for Fishing or Hunting
Major Periods
4:47 AM - 7:17 AM8:08 PM - 10:38 PM
Minor Periods
3:06 PM - 4:36 PM12:07 AM - 1:37 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 29.6°F
Average Humidity: 78%
Wind: 5.6 mph
UV Index: 0
Air Quality
Nitrogen Dioxide: 8.5 μg/m3
Sulphur Dioxide: 1.2 μg/m3
Ozone: 81.46 μg/m3
Astronomical
Sun Transit: 1:08 PM
Sunset: 6:15 PM
Daylight: 10 hrs 12 mins
Moon Transit: 9:25 PM
Moonset: 1:50 AM
Moon Phase: First Quarter
Moon Illumination: 74.1%
Best Times for Fishing or Hunting
Major Periods
5:35 AM - 8:05 AM8:55 PM - 11:25 PM
Minor Periods
3:28 PM - 4:58 PM1:20 AM - 2:50 AM
Action Rating: 3 out of 5
