Water Temperature of the Arkansas River in Hasty, CO

Current Water Temperature

64.9°F

Measurement Time: Thursday, April 2, 2026, 12:00 PM MDT

Temperature Locations

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Local Points of Interest

John Martin Reservoir; Lake Hasty

Arkansas River

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

Arkansas River, Las Animas, CO (15.7 mi)
Arkansas River, Rocky Ford, CO (41 mi)
Purgatoire River, Kim, CO (47.5 mi)
Arkansas River, Manzanola, CO (53.4 mi)
Purgatoire River, Trinchera, CO (72.1 mi)
Arkansas River, Avondale, CO (80.7 mi)
Arkansas River, Pueblo, CO (91.7 mi)
Arkansas River, Pueblo, CO (91.8 mi)
Fountain Creek, Pueblo, CO (91.9 mi)
Fountain Creek, Fountain, CO (101.2 mi)
Arkansas River, Portland, CO (115.3 mi)
Arkansas River, Cañon City, CO (128.7 mi)
South Platte River, Roxborough Park, CO (151.6 mi)
South Platte River, Englewood, CO (156.9 mi)
South Platte River, Denver, CO (162.5 mi)

Weather for Hasty, Colorado

Current Weather

82°F
Sunny
Sunny
78.5°F
75.9°F
12%
SSW 18.6 mph
23 mph
78.5°F
20.5°F
0 in
0%
9 mi
1000 mbar
0.4

Five Day Weather Forecast

Sunny
Thu
H: 82°F
L: 39°F
Partly Cloudy
Fri
H: 67°F
L: 46°F
Sunny
Sat
H: 68°F
L: 31°F
Sunny
Sun
H: 77°F
L: 32°F
Sunny
Mon
H: 73°F
L: 40°F

Air Quality

AQI: 1 - Good
PM2.5: 12.45 μg/m3
PM10: 92.85 μg/m3
Carbon Monoxide: 134.85 μg/m3
Nitrogen Dioxide: 1.95 μg/m3
Sulphur Dioxide: 1.25 μg/m3
Ozone: 89 μg/m3

Astronomical

Sunrise: 6:35 AM
Sun Transit: 12:00 AM
Sunset: 7:16 PM
Daylight: 12 hrs 40 mins
Moonrise: 8:15 PM
Moon Transit: 1:00 AM
Moonset: 6:37 AM
Moon Phase: Full
Moon Illumination: 99.5%

Best Times for Fishing or Hunting

Major Periods

12:30 AM - 3:00 AM
11:03 AM - 1:33 PM

Minor Periods

7:45 PM - 9:15 PM
6:07 AM - 7:37 AM

Action Rating: 5 out of 5

Red Flag Warning issued April 2 at 12:26AM MDT until April 2 at 8:00PM MDT by NWS Pueblo CO

Effective: Thu April 2, 2026, 12:26 AM
Expires: Thu April 2, 2026, 4:30 PM

* AFFECTED AREA...Fire Weather Zones 227, 231, 232, 233, 234, 235, 236 and 237. * WINDS...Southwest 15 to 25 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...As low as 11 percent. * IMPACTS...Fires will catch and spread quickly. Exercise extreme caution and avoid any outdoor burning.

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 April 2 at 2:51PM MDT until April 2 at 8:00PM MDT by NWS Pueblo CO

Effective: Thu April 2, 2026, 2:51 PM
Expires: Fri April 3, 2026, 7:00 AM

The National Weather Service in Pueblo has issued a Red Flag Warning for gusty winds and low relative humidity, which is in effect from 11 AM to 8 PM MDT Friday. * AFFECTED AREA...Fire Weather Zones 227, 231, 232, 234, 235 and 236. * WINDS...West 15 to 25 mph with gusts up to 40 mph. * RELATIVE HUMIDITY...As low as 9 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 April 2 at 2:51PM MDT until April 3 at 8:00PM MDT by NWS Pueblo CO

Effective: Thu April 2, 2026, 2:51 PM
Expires: Fri April 3, 2026, 7:00 AM

The National Weather Service in Pueblo has issued a Red Flag Warning for gusty winds and low relative humidity, which is in effect from 11 AM to 8 PM MDT Friday. * AFFECTED AREA...Fire Weather Zones 227, 231, 232, 234, 235 and 236. * WINDS...West 15 to 25 mph with gusts up to 40 mph. * RELATIVE HUMIDITY...As low as 9 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.
Thursday, April 2, 2026

Weather Forecast

Sunny
81.9°F
39.4°F
60.4°F
45%
0 in
0%
0%
21.7 mph
1.8


Air Quality

AQI: 1 - Good
PM2.5: 8.93 μg/m3
PM10: 73.11 μg/m3
Carbon Monoxide: 135.97 μg/m3
Nitrogen Dioxide: 2.49 μg/m3
Sulphur Dioxide: 1.09 μg/m3
Ozone: 85.76 μg/m3

Astronomical

Sunrise: 6:35 AM
Sun Transit: 12:00 AM
Sunset: 7:16 PM
Daylight: 12 hrs 40 mins
Moonrise: 8:15 PM
Moon Transit: 1:00 AM
Moonset: 6:37 AM
Moon Phase: Full
Moon Illumination: 99.5%

Best Times for Fishing or Hunting

Major Periods

12:30 AM - 3:00 AM
11:03 AM - 1:33 PM

Minor Periods

7:45 PM - 9:15 PM
6:07 AM - 7:37 AM

Action Rating: 5 out of 5

Friday, April 3, 2026

Weather Forecast

Partly Cloudy
66.9°F
45.9°F
55.1°F
26%
0 in
0%
0%
18.3 mph
1.7


Air Quality

AQI: 1 - Good
PM2.5: 8.45 μg/m3
PM10: 61.91 μg/m3
Carbon Monoxide: 133.05 μg/m3
Nitrogen Dioxide: 2.04 μg/m3
Sulphur Dioxide: 1.31 μg/m3
Ozone: 102.52 μg/m3

Astronomical

Sunrise: 6:34 AM
Sun Transit: 12:00 AM
Sunset: 7:17 PM
Daylight: 12 hrs 43 mins
Moonrise: 9:18 PM
Moon Transit: 1:42 AM
Moonset: 7:01 AM
Moon Phase: Full
Moon Illumination: 96.6%

Best Times for Fishing or Hunting

Major Periods

1:12 AM - 3:42 AM
11:47 AM - 2:17 PM

Minor Periods

8:48 PM - 10:18 PM
6:31 AM - 8:01 AM

Action Rating: 4 out of 5

Saturday, April 4, 2026

Weather Forecast

Sunny
68.2°F
31.3°F
51.7°F
29%
0 in
0%
0%
12.3 mph
1.8


Air Quality

AQI: 1 - Good
PM2.5: 3.31 μg/m3
PM10: 13.52 μg/m3
Carbon Monoxide: 144.65 μg/m3
Nitrogen Dioxide: 3.73 μg/m3
Sulphur Dioxide: 1.24 μg/m3
Ozone: 89.88 μg/m3

Astronomical

Sunrise: 6:32 AM
Sun Transit: 12:54 AM
Sunset: 7:18 PM
Daylight: 12 hrs 45 mins
Moonrise: 10:21 PM
Moon Transit: 2:26 AM
Moonset: 7:28 AM
Moon Phase: Full
Moon Illumination: 91.3%

Best Times for Fishing or Hunting

Major Periods

1:56 AM - 4:26 AM
12:32 AM - 3:02 PM

Minor Periods

9:51 PM - 11:21 PM
6:58 AM - 8:28 AM

Action Rating: 4 out of 5

Sunday, April 5, 2026

Weather Forecast

Sunny
77.4°F
32.2°F
56.1°F
29%
0 in
0%
0%
17 mph
1.8


Air Quality

AQI: 1 - Good
PM2.5: 4.81 μg/m3
PM10: 30.44 μg/m3
Carbon Monoxide: 145.81 μg/m3
Nitrogen Dioxide: 3.01 μg/m3
Sulphur Dioxide: 1.09 μg/m3
Ozone: 82.44 μg/m3

Astronomical

Sunrise: 6:31 AM
Sun Transit: 12:54 AM
Sunset: 7:18 PM
Daylight: 12 hrs 48 mins
Moonrise: 11:22 PM
Moon Transit: 3:13 AM
Moonset: 8:00 AM
Moon Phase: Waning Gibbous
Moon Illumination: 83.9%

Best Times for Fishing or Hunting

Major Periods

2:43 AM - 5:13 AM
1:20 PM - 3:50 PM

Minor Periods

12:00 AM - 12:00 AM
7:30 AM - 9:00 AM

Action Rating: 2 out of 5

Monday, April 6, 2026

Weather Forecast

Sunny
73.4°F
40.4°F
57°F
36%
0 in
0%
0%
30.2 mph
1.8


Air Quality

AQI: 1 - Good
PM2.5: 11.13 μg/m3
PM10: 95.5 μg/m3
Carbon Monoxide: 148.13 μg/m3
Nitrogen Dioxide: 2.47 μg/m3
Sulphur Dioxide: 1 μg/m3
Ozone: 93.15 μg/m3

Astronomical

Sunrise: 6:29 AM
Sun Transit: 12:54 AM
Sunset: 7:19 PM
Daylight: 12 hrs 50 mins
Moonrise: 12:22 AM
Moon Transit: 4:01 AM
Moonset: 8:38 AM
Moon Phase: Waning Gibbous
Moon Illumination: 74.7%

Best Times for Fishing or Hunting

Major Periods

3:31 AM - 6:01 AM
2:10 PM - 4:40 PM

Minor Periods

8:08 AM - 9:38 AM
12:00 AM - 12:00 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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