Station Name: ARKANSAS RIVER BELOW JOHN MARTIN RESERVOIR, CO.
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 3,763 feet

Nearest Address:
John Martin Reservoir State Park
Hasty, CO 81044
Bent County

GPS Coordinates: 38.06639635, -102.9324228

Nearby Water Temperatures

Red Flag Warning issued April 16 at 1:08AM MDT until April 16 at 11:00PM MDT by NWS Pueblo CO

Effective: Thu April 16, 2026, 1:08 AM
Expires: Thu April 16, 2026, 5:15 PM

* AFFECTED AREA...Fire Weather Zones 220, 221, 222, 224, 225, 226, 227, 228, 229, 231, 232, 234, 235 and 236. * TIMING...From 11 AM this morning to 11 PM MDT this evening. * WINDS...Southwest 15 to 25 mph with gusts up to 40 mph across the plains and up to 60 mph across the high country. * RELATIVE HUMIDITY...As low as 12 percent across the mountains and as low as 7 percent across the plains. * 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.

Freeze Watch issued April 16 at 10:36AM MDT until April 18 at 8:00AM MDT by NWS Pueblo CO

Effective: Thu April 16, 2026, 10:36 AM
Expires: Thu April 16, 2026, 6:45 PM

* WHAT...Widespread temperatures in the 20s are expected by Saturday morning with teens across Monument Hill. * WHERE...Portions of central, east central, and southeast Colorado. * WHEN...From late Friday night through Saturday morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.

Take steps now to protect tender plants from the cold.

Freeze Warning issued April 16 at 5:34PM MDT until April 18 at 8:00AM MDT by NWS Pueblo CO

Effective: Thu April 16, 2026, 5:34 PM
Expires: Fri April 17, 2026, 1:45 AM

* WHAT...Sub-freezing temperatures are near certain with nearly all areas in the lower to mid 20s. Monument Hill will see temperatures in the teens. * WHERE...Southeast plains of Colorado * WHEN...From midnight Friday Night to 8 AM MDT Saturday. * IMPACTS...Freeze conditions will kill sensitive vegetation and damage unprotected outdoor plumbing, including sprinkler systems and swamp coolers.

Take steps now to protect tender plants from the cold.

Red Flag Warning issued April 16 at 12:44PM MDT until April 16 at 11:00PM MDT by NWS Pueblo CO

Effective: Thu April 16, 2026, 12:44 PM
Expires: Thu April 16, 2026, 11:00 PM

* AFFECTED AREA...Fire Weather Zones 220, 221, 222, 224, 225, 226, 227, 228, 229, 231, 232, 234, 235 and 236. * TIMING...Until 11 PM MDT this evening. * WINDS...Southwest 20 to 30 mph with gusts up to 45 mph. * RELATIVE HUMIDITY...As low as 7 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.