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

Air Quality Alert issued August 4 at 4:10PM MDT by NWS Grand Junction CO

Effective: Tue August 4, 2026, 4:10 PM
Expires: Wed August 5, 2026, 9:00 AM

The Colorado Department of Public Health and Environment has issued the following... WHAT...Air Quality Health Advisory for Wildfire Smoke. WHERE...Moffat, Routt, Grand, Rio Blanco, Eagle, Summit, Garfield, Pitkin, Mesa, Delta, Gunnison, Montrose, Ouray, San Miguel, Dolores, Montezuma, Saguache, San Juan, Hinsdale, Mineral, Sedgwick, Logan, Crowley, Jackson, Phillips, Morgan, Yuma, Washington, Gilpin, Clear Creek, Elbert, Kit Carson, Lake, Park, Lincoln, Teller, Cheyenne, El Paso, Chaffee, Fremont, Kiowa, Pueblo, Custer, Bent, Prowers, Otero, Huerfano, Rio Grande, Alamosa, Las Animas, Baca, Costilla and Conejos Counties. Locations include, but are not limited to Craig, Steamboat Springs, Granby, Hot Sulphur Springs, Kremmling, Meeker, Rangely, Eagle, Vail, Breckenridge, Glenwood Springs, Aspen, Grand Junction, Delta, Gunnison, Montrose, Nucla, Ouray, Telluride, Dove Creek, Cortez, Saguache, Silverton, Lake City, Creede, Julesburg, Sterling, Ordway, Walden, Holyoke, Fort Morgan, Wray, Akron, Central City, Georgetown, Kiowa, Burlington, Leadville, Fairplay, Limon, Cripple Creek, Cheyenne Wells, Colorado Springs, Buena Vista, Salida, Canon City, Eads, Pueblo, Westcliffe, Las Animas, Lamar, La Junta, Walsenburg, Del Norte, South Fork, Alamosa, Kim, Trinidad, Springfield, San Luis and Conejos. WHEN...900 AM Tuesday August 04 to 900 AM Wednesday August 05 IMPACTS...Areas of moderate to heavy smoke from out-of-state wildfires will be possible across Colorado through at least Wednesday morning. HEALTH INFORMATION...Public Health Recommendations: If smoke is thick or becomes thick in your neighborhood you may want to remain indoors. This is especially true for those with heart disease, respiratory illnesses, the very young, and older adults. Consider limiting outdoor activity when moderate to heavy smoke is present. Consider relocating temporarily if smoke is present indoors and is making you ill. If visibility is less than 5 miles in smoke in your neighborhood, smoke has reached levels that are unhealthy.

Red Flag Warning issued August 4 at 12:19PM MDT until August 5 at 8:00PM MDT by NWS Grand Junction CO

Effective: Tue August 4, 2026, 12:19 PM
Expires: Wed August 5, 2026, 9:00 AM

The National Weather Service in Grand Junction has issued a Red Flag Warning for gusty winds, low relative humidity and dry fuels, which is in effect from 1 PM to 8 PM MDT Wednesday. * AFFECTED AREA...In Colorado, Fire Weather Zone 205 Colorado River Headwaters. * TIMING...For the first Red Flag Warning, until 7 PM MDT this evening. For the second Red Flag Warning, from 1 PM to 8 PM MDT Wednesday. * WINDS...West 10 to 20 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...7 to 12 percent. * IMPACTS...Any fire that develops will catch and spread quickly. Outdoor burning is not recommended.

A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior.

Red Flag Warning issued August 4 at 12:19PM MDT until August 4 at 7:00PM MDT by NWS Grand Junction CO

Effective: Tue August 4, 2026, 12:19 PM
Expires: Wed August 5, 2026, 9:00 AM

The National Weather Service in Grand Junction has issued a Red Flag Warning for gusty winds, low relative humidity and dry fuels, which is in effect from 1 PM to 8 PM MDT Wednesday. * AFFECTED AREA...In Colorado, Fire Weather Zone 205 Colorado River Headwaters. * TIMING...For the first Red Flag Warning, until 7 PM MDT this evening. For the second Red Flag Warning, from 1 PM to 8 PM MDT Wednesday. * WINDS...West 10 to 20 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...7 to 12 percent. * IMPACTS...Any fire that develops will catch and spread quickly. Outdoor burning is not recommended.

A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior.

Red Flag Warning issued August 5 at 3:30AM MDT until August 5 at 8:00PM MDT by NWS Grand Junction CO

Effective: Wed August 5, 2026, 3:30 AM
Expires: Wed August 5, 2026, 8:00 PM

* AFFECTED AREA...In Colorado, Fire Weather Zone 205 Colorado River Headwaters and Fire Weather Zone 293 Gunnison Basin Forecast Area. * TIMING...From 1 PM this afternoon to 8 PM MDT this evening. * WINDS...West 10 to 20 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...8 to 13 percent. * IMPACTS...Any fire that develops will catch and spread quickly. Outdoor burning is not recommended.

A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior.