Water Temperature of the Sun River in Simms, MT

Current Water Temperature

67.5°F

Measurement Time: Thursday, July 31, 2025, 11:30 PM MDT

Temperature Locations

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Sun River

Station Name: Sun River at Simms MT
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 3,550 feet / 1,082 meters

Nearest Address:
99 Simms Fairfield Rd
Simms, MT 59477
Cascade County

GPS Coordinates: 47.50162778, -111.9319139

Nearby Water Temperatures

Missouri River, Wolf Creek, MT (35.2 mi)
Birch Creek, Valier, MT (64.0 mi)
Camas Creek, White Sulphur Springs, MT (66.7 mi)
Marias River, Loma, MT (69.9 mi)
Missouri River, Toston, MT (96.7 mi)
Warm Springs Creek, Warm Springs, MT (99.8 mi)
Clark Fork, East Missoula, MT (103.4 mi)
Jefferson River, Three Forks, MT (112.0 mi)
South Fork Flathead River, Columbia Falls, MT (114.0 mi)
Jefferson River, Waterloo, MT (121.8 mi)
Jefferson River, Twin Bridges, MT (131.8 mi)
Ruby River, Twin Bridges, MT (139.1 mi)
Madison River, Norris, MT (139.7 mi)
Big Hole River, Glen, MT (145.5 mi)
Big Hole River, Wisdom, MT (148.9 mi)

Weather for Simms, Montana

Current Weather

59.5°F
Thundery outbreaks in nearby
Conditions: Thundery outbreaks in nearby
Humidity: 87%
Feels Like: 59.5°F
Wind: WNW 3.8 mph
Wind Gusts: 7.1 mph
Pressure: 30.11 in
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 0

Five Day Weather Forecast

Moderate rain
Fri
H: 85°F
L: 60°F
Moderate rain
Sat
H: 80°F
L: 61°F
Sunny
Sun
H: 84°F
L: 50°F
Moderate rain
Mon
H: 85°F
L: 57°F
Sunny
Tue
H: 82°F
L: 56°F

Air Quality

AQI: 1 - Good
PM2.5: 22.76 μg/m3
PM10: 25.72 μg/m3
Carbon Monoxide: 314.5 μg/m3
Nitrogen Dioxide: 1.85 μg/m3
Sulphur Dioxide: 0.56 μg/m3
Ozone: 98 μg/m3

Astronomical

Sunrise: 6:06 AM
Sun Transit: 1:34 PM
Sunset: 9:01 PM
Daylight: 14 hrs 55 mins
Moonrise: 2:58 PM
Moon Transit: 7:32 PM
Moonset: 12:37 AM
Moon Phase: First Quarter
Moon Illumination: 47.9%

Best Times for Fishing or Hunting

Major Periods

3:39 AM - 6:09 AM
7:02 PM - 9:32 PM

Minor Periods

2:28 PM - 3:58 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Friday, August 1, 2025

Weather Forecast

Conditions: Moderate rain
Average Temperature: 72°F
Average Humidity: 68%
Chance of Rain: 67%
Wind: 20.6 mph
UV Index: 2

Air Quality

AQI: 2 - Moderate
PM2.5: 16.94 μg/m3
PM10: 18.73 μg/m3
Carbon Monoxide: 323.97 μg/m3
Nitrogen Dioxide: 6.05 μg/m3
Sulphur Dioxide: 0.44 μg/m3
Ozone: 80.96 μg/m3

Astronomical

Sunrise: 6:06 AM
Sun Transit: 1:34 PM
Sunset: 9:01 PM
Daylight: 14 hrs 55 mins
Moonrise: 2:58 PM
Moon Transit: 7:32 PM
Moonset: 12:37 AM
Moon Phase: First Quarter
Moon Illumination: 47.9%

Best Times for Fishing or Hunting

Major Periods

3:39 AM - 6:09 AM
7:02 PM - 9:32 PM

Minor Periods

2:28 PM - 3:58 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Saturday, August 2, 2025

Weather Forecast

Conditions: Moderate rain
Average Temperature: 70.2°F
Average Humidity: 62%
Chance of Rain: 86%
Wind: 17.2 mph
UV Index: 1.8

Air Quality

AQI: 1 - Good
PM2.5: 12.54 μg/m3
PM10: 14.35 μg/m3
Carbon Monoxide: 308.65 μg/m3
Nitrogen Dioxide: 6.67 μg/m3
Sulphur Dioxide: 0.23 μg/m3
Ozone: 80.48 μg/m3

Astronomical

Sunrise: 6:07 AM
Sun Transit: 1:34 PM
Sunset: 9:00 PM
Daylight: 14 hrs 52 mins
Moonrise: 4:08 PM
Moon Transit: 8:18 PM
Moonset: 12:58 AM
Moon Phase: First Quarter
Moon Illumination: 59.1%

Best Times for Fishing or Hunting

Major Periods

4:24 AM - 6:54 AM
7:48 PM - 10:18 PM

Minor Periods

3:38 PM - 5:08 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Sunday, August 3, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 69.9°F
Average Humidity: 49%
Chance of Rain: 0%
Wind: 13.9 mph
UV Index: 1.9

Air Quality

AQI: 1 - Good
PM2.5: 6.27 μg/m3
PM10: 6.6 μg/m3
Carbon Monoxide: 249.75 μg/m3
Nitrogen Dioxide: 6.18 μg/m3
Sulphur Dioxide: 0.17 μg/m3
Ozone: 77.92 μg/m3

Astronomical

Sunrise: 6:09 AM
Sun Transit: 1:33 PM
Sunset: 8:58 PM
Daylight: 14 hrs 50 mins
Moonrise: 5:15 PM
Moon Transit: 9:08 PM
Moonset: 12:24 AM
Moon Phase: First Quarter
Moon Illumination: 70.0%

Best Times for Fishing or Hunting

Major Periods

5:11 AM - 7:41 AM
8:38 PM - 11:08 PM

Minor Periods

4:45 PM - 6:15 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Monday, August 4, 2025

Weather Forecast

Conditions: Moderate rain
Average Temperature: 67.3°F
Average Humidity: 57%
Chance of Rain: 76%
Wind: 13.6 mph
UV Index: 1.7

Air Quality

AQI: 1 - Good
PM2.5: 6.28 μg/m3
PM10: 6.53 μg/m3
Carbon Monoxide: 248.49 μg/m3
Nitrogen Dioxide: 10 μg/m3
Sulphur Dioxide: 0.31 μg/m3
Ozone: 78.36 μg/m3

Astronomical

Sunrise: 6:10 AM
Sun Transit: 1:33 PM
Sunset: 8:57 PM
Daylight: 14 hrs 47 mins
Moonrise: 6:19 PM
Moon Transit: 10:01 PM
Moonset: 12:58 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 79.8%

Best Times for Fishing or Hunting

Major Periods

6:02 AM - 8:32 AM
12:00 AM - 12:00 AM

Minor Periods

5:49 PM - 7:19 PM
12:28 AM - 1:58 AM

Action Rating: 3 out of 5

Tuesday, August 5, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 67.8°F
Average Humidity: 50%
Chance of Rain: 0%
Wind: 15.9 mph
UV Index: 0

Air Quality

AQI: 1 - Good
PM2.5: 5.96 μg/m3
PM10: 6.87 μg/m3
Carbon Monoxide: 214.6 μg/m3
Nitrogen Dioxide: 5.35 μg/m3
Sulphur Dioxide: 0.48 μg/m3
Ozone: 94.69 μg/m3

Astronomical

Sunrise: 6:11 AM
Sun Transit: 1:33 PM
Sunset: 8:55 PM
Daylight: 14 hrs 44 mins
Moonrise: 7:13 PM
Moon Transit: 10:55 PM
Moonset: 1:43 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 88.0%

Best Times for Fishing or Hunting

Major Periods

6:56 AM - 9:26 AM
12:00 AM - 12:00 AM

Minor Periods

6:43 PM - 8:13 PM
1:13 AM - 2:43 AM

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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