Water Temperature of Halfmoon Creek in Twin Lakes, CO

Current Water Temperature

61.7°F

Measurement Time: Monday, July 20, 2026, 11:30 AM MDT

Temperature Locations

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Local Points of Interest

Malta, CO; Leadville, CO; Mount Massive Wilderness

Halfmoon Creek

Station Name: HALFMOON CREEK NEAR MALTA, CO
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 9,875 feet

Nearest Address:
Halfmoon Rd
Twin Lakes, CO 81251
Lake County

GPS Coordinates: 39.17221259, -106.3891926

Nearby Water Temperatures

Arkansas River, Granite, CO (11.1 mi)
Roaring Fork River, Aspen, CO (25.3 mi)
Roaring Fork River, Basalt, CO (39.7 mi)
Eagle River, Edwards, CO (41 mi)
Eagle River, Gypsum, CO (45.2 mi)
Colorado River, Burns, CO (55 mi)
Colorado River, Glenwood Springs, CO (55.1 mi)
Roaring Fork River, Glenwood Springs, CO (56.6 mi)
Colorado River, Glenwood Springs, CO (56.6 mi)
Colorado River, Glenwood Springs, CO (60.6 mi)
Fraser River, Tabernash, CO (63.9 mi)
Fraser River, Tabernash, CO (64.5 mi)
South Platte River, Roxborough Park, CO (68.3 mi)
South Boulder Creek, Eldorado Springs, CO (77.9 mi)
Arkansas River, Cañon City, CO (79.5 mi)

Weather for Twin Lakes, Colorado

Current Weather

66°F
Overcast
Overcast
66°F
61.4°F
45%
NNE 7.4 mph
8.5 mph
61.4°F
47.9°F
0 in
100%
9 mi
1034 mbar
0.8

Five Day Weather Forecast

Sunny
Mon
H: 78°F
L: 43°F
Sunny
Tue
H: 76°F
L: 44°F
Patchy rain nearby
Wed
H: 73°F
L: 43°F
Patchy rain nearby
Thu
H: 70°F
L: 42°F
Sunny
Fri
H: 75°F
L: 42°F

Air Quality

AQI: 1 - Good
PM2.5: 4.4 μg/m3
PM10: 5.3 μg/m3
Carbon Monoxide: 102 μg/m3
Nitrogen Dioxide: 0.7 μg/m3
Sulphur Dioxide: 0.2 μg/m3
Ozone: 120 μg/m3

Astronomical

Sunrise: 5:56 AM
Sun Transit: 1:12 PM
Sunset: 8:28 PM
Daylight: 14 hrs 32 mins
Moonrise: 1:00 PM
Moon Transit: 6:29 PM
Moonset: 12:28 AM
Moon Phase: Waxing Crescent
Moon Illumination: 32.7%

Best Times for Fishing or Hunting

Major Periods

3:23 AM - 5:53 AM
5:59 PM - 8:29 PM

Minor Periods

12:30 AM - 2:00 PM
12:00 AM - 12:00 AM

Action Rating: 4 out of 5

Flood Advisory issued July 20 at 4:34PM MDT until July 20 at 6:30PM MDT by NWS Grand Junction CO

Effective: Mon July 20, 2026, 4:34 PM
Expires: Mon July 20, 2026, 6:30 PM

* WHAT...Urban and small stream flooding caused by excessive rainfall is expected. * WHERE...A portion of northwest Colorado, including the following county, Eagle. * WHEN...Until 630 PM MDT. * IMPACTS...Minor flooding in low-lying and poor drainage areas. Water over roadways. * ADDITIONAL DETAILS... - At 434 PM MDT, Doppler radar indicated heavy rain due to thunderstorms. This will cause urban and small stream flooding. Between 0.5 and 0.7 inches of rain have fallen. - Some locations that will experience flooding include... Eagle, Gypsum, Avon, Edwards, Wolcott and Eagle-Vail. - http://www.weather.gov/safety/flood

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.


Flood Advisory issued July 20 at 6:05PM MDT until July 20 at 7:30PM MDT by NWS Denver CO

Effective: Mon July 20, 2026, 6:05 PM
Expires: Mon July 20, 2026, 7:30 PM

* WHAT...Small stream flooding caused by excessive rainfall continues. * WHERE...Northwestern Clear Creek County in central Colorado... Central Summit County in central Colorado... South Central Grand County in north central Colorado... * WHEN...Until 730 PM MDT. * IMPACTS...Minor flooding in low-lying and poor drainage areas. Rises in small streams and normally dry creeks. * ADDITIONAL DETAILS... - At 605 PM MDT, Doppler radar and automated rain gauges indicated heavy rain due to thunderstorms. This may cause small stream flooding. Between 1 and 2 inches of rain have fallen. - Some locations that will experience flooding include... Silverthorne, Berthoud Falls and Berthoud Pass.

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. In hilly terrain there are hundreds of low water crossings which are potentially dangerous in heavy rain. Do not attempt to cross flooded roads. Find an alternate route.


Flood Advisory issued July 20 at 4:25PM MDT until July 20 at 7:30PM MDT by NWS Denver CO

Effective: Mon July 20, 2026, 4:25 PM
Expires: Mon July 20, 2026, 7:30 PM

* WHAT...Small stream flooding caused by excessive rainfall is expected. * WHERE...Northwestern Clear Creek County in central Colorado... Central Summit County in central Colorado... South Central Grand County in north central Colorado... * WHEN...Until 730 PM MDT. * IMPACTS...Minor flooding in low-lying and poor drainage areas. Rises in small streams and normally dry creeks. * ADDITIONAL DETAILS... - At 425 PM MDT, Doppler radar and automated rain gauges indicated heavy rain due to thunderstorms. This may cause small stream flooding. Between 1 and 2 inches of rain have fallen. - Some locations that will experience flooding include... Silverthorne, Berthoud Falls and Berthoud Pass.

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. In hilly terrain there are hundreds of low water crossings which are potentially dangerous in heavy rain. Do not attempt to cross flooded roads. Find an alternate route.


Flood Advisory issued July 20 at 5:06PM MDT until July 20 at 7:00PM MDT by NWS Grand Junction CO

Effective: Mon July 20, 2026, 5:06 PM
Expires: Mon July 20, 2026, 7:00 PM

* WHAT...Urban and small stream flooding caused by excessive rainfall is expected. * WHERE...A portion of northwest Colorado, including the following county, Eagle. * WHEN...Until 700 PM MDT. * IMPACTS...Minor flooding in low-lying and poor drainage areas. Ponding of water in urban or other areas is occurring or is imminent. * ADDITIONAL DETAILS... - At 506 PM MDT, Doppler radar indicated heavy rain due to thunderstorms. This will cause urban and small stream flooding. Between 0.5 and 0.7 inches of rain have fallen. - Some locations that will experience flooding include... Gypsum, Sweetwater and Dotsero. - http://www.weather.gov/safety/flood

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.


Monday, July 20, 2026

Weather Forecast

Sunny
77.9°F
43.1°F
58.4°F
53%
0.03 in
36%
0%
10.7 mph
12.7


Air Quality

AQI: 1 - Good
PM2.5: 6.17 μg/m3
PM10: 7.48 μg/m3
Carbon Monoxide: 130.17 μg/m3
Nitrogen Dioxide: 3.7 μg/m3
Sulphur Dioxide: 0.42 μg/m3
Ozone: 108.71 μg/m3

Astronomical

Sunrise: 5:56 AM
Sun Transit: 1:12 PM
Sunset: 8:28 PM
Daylight: 14 hrs 32 mins
Moonrise: 1:00 PM
Moon Transit: 6:29 PM
Moonset: 12:28 AM
Moon Phase: Waxing Crescent
Moon Illumination: 32.7%

Best Times for Fishing or Hunting

Major Periods

3:23 AM - 5:53 AM
5:59 PM - 8:29 PM

Minor Periods

12:30 AM - 2:00 PM
12:00 AM - 12:00 AM

Action Rating: 4 out of 5

Tuesday, July 21, 2026

Weather Forecast

Sunny
75.9°F
43.6°F
60°F
48%
0 in
2%
0%
15.9 mph
13


Air Quality

AQI: 1 - Good
PM2.5: 4.14 μg/m3
PM10: 4.9 μg/m3
Carbon Monoxide: 126.42 μg/m3
Nitrogen Dioxide: 3.33 μg/m3
Sulphur Dioxide: 0.26 μg/m3
Ozone: 91.25 μg/m3

Astronomical

Sunrise: 5:57 AM
Sun Transit: 1:12 PM
Sunset: 8:27 PM
Daylight: 14 hrs 31 mins
Moonrise: 2:03 PM
Moon Transit: 7:14 PM
Moonset: 12:52 AM
Moon Phase: First Quarter
Moon Illumination: 43.7%

Best Times for Fishing or Hunting

Major Periods

4:06 AM - 6:36 AM
6:44 PM - 9:14 PM

Minor Periods

1:33 PM - 3:03 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Wednesday, July 22, 2026

Weather Forecast

Patchy rain nearby
73°F
42.8°F
56.9°F
62%
0.14 in
57%
0%
8.3 mph
11.1


Air Quality

AQI: 1 - Good
PM2.5: 2.51 μg/m3
PM10: 4.19 μg/m3
Carbon Monoxide: 124.54 μg/m3
Nitrogen Dioxide: 2.63 μg/m3
Sulphur Dioxide: 0.25 μg/m3
Ozone: 96.5 μg/m3

Astronomical

Sunrise: 5:57 AM
Sun Transit: 1:12 PM
Sunset: 8:27 PM
Daylight: 14 hrs 29 mins
Moonrise: 3:06 PM
Moon Transit: 8:00 PM
Moonset: 12:18 AM
Moon Phase: First Quarter
Moon Illumination: 55.0%

Best Times for Fishing or Hunting

Major Periods

4:51 AM - 7:21 AM
7:30 PM - 10:00 PM

Minor Periods

2:36 PM - 4:06 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Thursday, July 23, 2026

Weather Forecast

Patchy rain nearby
69.6°F
42.4°F
56.7°F
68%
0.08 in
57%
0%
11.4 mph
11.1


Air Quality

AQI: 1 - Good
PM2.5: 1.61 μg/m3
PM10: 1.77 μg/m3
Carbon Monoxide: 120.21 μg/m3
Nitrogen Dioxide: 3.53 μg/m3
Sulphur Dioxide: 0.13 μg/m3
Ozone: 87.79 μg/m3

Astronomical

Sunrise: 5:58 AM
Sun Transit: 1:12 PM
Sunset: 8:26 PM
Daylight: 14 hrs 27 mins
Moonrise: 4:09 PM
Moon Transit: 8:48 PM
Moonset: 12:48 AM
Moon Phase: First Quarter
Moon Illumination: 66.1%

Best Times for Fishing or Hunting

Major Periods

5:38 AM - 8:08 AM
8:18 PM - 10:48 PM

Minor Periods

3:39 PM - 5:09 PM
12:18 AM - 1:48 AM

Action Rating: 4 out of 5

Friday, July 24, 2026

Weather Forecast

Sunny
75.3°F
42.2°F
58.4°F
54%
0.02 in
36%
0%
6.3 mph
12


Air Quality

AQI: 1 - Good
PM2.5: 1.4 μg/m3
PM10: 1.41 μg/m3
Carbon Monoxide: 142.57 μg/m3
Nitrogen Dioxide: 7.31 μg/m3
Sulphur Dioxide: 0.1 μg/m3
Ozone: 61 μg/m3

Astronomical

Sunrise: 5:59 AM
Sun Transit: 1:12 PM
Sunset: 8:25 PM
Daylight: 14 hrs 26 mins
Moonrise: 5:08 PM
Moon Transit: 9:38 PM
Moonset: 1:23 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 76.3%

Best Times for Fishing or Hunting

Major Periods

6:27 AM - 8:57 AM
9:08 PM - 11:38 PM

Minor Periods

4:38 PM - 6:08 PM
12:53 AM - 2:23 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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