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

Winter Weather Advisory issued May 17 at 11:50AM MDT until May 18 at 9:00PM MDT by NWS Denver CO

Effective: Sun May 17, 2026, 11:50 AM
Expires: Mon May 18, 2026, 6:00 AM

* WHAT...Snow expected. Total snow accumulations of 4 to 12 inches over most of the Advisory area. However, little if any accumulation in the valleys of Summit County while the heaviest amounts occur in the mountains north of I-70. * WHERE...Rocky Mountain National Park and the Medicine Bow Range, the Mountains of Summit County, the Mosquito Range, and the Indian Peaks. * WHEN...From midnight tonight to 9 PM MDT Monday. * IMPACTS...Travel could be slippery with snow covered roads at times, especially late tonight and during the periods of heaviest snowfall on Monday. The hazardous conditions may impact the Monday morning and evening commutes.

Slow down and use caution while traveling. The latest road conditions for Colorado can be obtained by calling 5 1 1 or by going to www.cotrip.org.

Special Weather Statement issued May 17 at 6:25PM MDT by NWS Denver CO

Effective: Sun May 17, 2026, 6:25 PM
Expires: Sun May 17, 2026, 7:00 PM

At 625 PM MDT, Doppler radar was tracking a strong thunderstorm 6 miles north of Green Mountain Reservoir, moving northeast at 40 mph. HAZARD...Wind gusts up to 40 mph and half inch size hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor damage to outdoor objects is possible. Locations impacted include... Granby, Kremmling, Hot Sulphur Springs, Williams Fork Reservoir, Parshall, Hot Sulphur Spring, Green Mountain Reservoir, Elkdale, Tabernash and Heeney.

Monitor the weather situation closely and be alert for threatening weather conditions.

Red Flag Warning issued May 17 at 12:37AM MDT until May 17 at 9:00PM MDT by NWS Pueblo CO

Effective: Sun May 17, 2026, 12:37 AM
Expires: Sun May 17, 2026, 4:45 PM

* AFFECTED AREA...Fire Weather Zones 222, 225, 228, 229, 231, 232, 234, 235 and 236. * TIMING...From 10 AM this morning to 9 PM MDT this evening. * WINDS...Southwest 15 to 25 mph with gusts up to 40 mph. * RELATIVE HUMIDITY...As low as 11 percent. * IMPACTS...Elevated fire danger is expected. Fires will catch and spread rapidly and erratically.

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 May 17 at 12:57PM MDT until May 17 at 9:00PM MDT by NWS Pueblo CO

Effective: Sun May 17, 2026, 12:57 PM
Expires: Sun May 17, 2026, 9:00 PM

* AFFECTED AREA...Fire Weather Zones 222, 225, 228, 229, 231, 232, 234, 235 and 236. * TIMING...Until 9 PM MDT this evening. * WINDS...Southwest 15 to 25 mph with gusts up to 40 mph. * RELATIVE HUMIDITY...As low as 10 percent. * IMPACTS...Elevated fire danger is expected. Fires will catch and spread rapidly and erratically.

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.