Water Temperature of the Lost River in Merrill, OR

Current Water Temperature

57.6°F

Measurement Time: Friday, May 16, 2025, 2:30 AM PDT

Temperature Locations

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Local Points of Interest

Hatfield, CA

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Lost River

Station Name: LOST RIVER AT STATELINE ROAD, NR HATFIELD, CA
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 4,045 feet / 1,233 meters

Nearest Address:
24817 Hatfield Hwy
Merrill, OR 97633
Klamath County

GPS Coordinates: 41.99830556, -121.5225

Nearby Water Temperatures

Lost River, Merrill, OR (2.1 mi)
Link River, Klamath Falls, OR (20.5 mi)
Link River, Klamath Falls, OR (20.9 mi)
Klamath River, Keno, OR (22.7 mi)
Klamath River, Keno, OR (24.4 mi)
Klamath River, Keno, OR (28.9 mi)
Upper Klamath Lake, Klamath Falls, OR (29.5 mi)
Upper Klamath Lake, Klamath Falls, OR (30.5 mi)
Williamson River, Chiloquin, OR (43.2 mi)
Sprague River, Chiloquin, OR (43.8 mi)
Hat Creek, Old Station, CA (90.6 mi)
North Umpqua River, Toketee Falls, OR (103.4 mi)
North Umpqua River, Toketee Falls, OR (103.4 mi)
Trinity River, Lewiston, CA (110.2 mi)
Klamath River, Orleans, CA (114.4 mi)

Weather for Merrill, Oregon

Current Weather

80.1°F
Clear
Conditions: Clear
Humidity: 30%
Feels Like: 80.8°F
Wind: NW 6.3 mph
Wind Gusts: 13.2 mph
Pressure: 30.06 in
Precipitation: 0 in
Cloud Cover: 25%
Visibility: 9 mi
UV Index: 0

Five Day Weather Forecast

Sunny
Wed
H: 87°F
L: 50°F
Moderate rain
Thu
H: 91°F
L: 51°F
Cloudy
Fri
H: 83°F
L: 53°F
Patchy rain nearby
Sat
H: 79°F
L: 51°F
Sunny
Sun
H: 81°F
L: 50°F

Air Quality

PM2.5: 9.62 μg/m3
PM10: 9.81 μg/m3
Carbon Monoxide: 286.75 μg/m3
Nitrogen Dioxide: 14.8 μg/m3
Sulphur Dioxide: 0.93 μg/m3
Ozone: 51 μg/m3

Astronomical

Sunrise: 5:51 AM
Sun Transit: 1:12 PM
Sunset: 8:34 PM
Daylight: 14 hrs 43 mins
Moonrise: 4:11 AM
Moon Transit: 12:20 AM
Moonset: 8:22 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.2%

Best Times for Fishing or Hunting

Major Periods

7:58 PM - 10:28 PM
11:50 AM - 2:20 PM

Minor Periods

7:52 PM - 9:22 PM
3:41 AM - 5:11 AM

Action Rating: 2 out of 5

Red Flag Warning issued July 23 at 12:16PM PDT until July 24 at 11:00PM PDT by NWS Medford OR

Effective: Wed July 23, 2025, 12:16 PM
Expires: Thu July 24, 2025, 7:00 AM

The National Weather Service in Medford has issued a Red Flag Warning, which is in effect from 1 PM to 11 PM PDT Thursday. A Fire Weather Watch has also been issued. This Fire Weather Watch is in effect from Friday afternoon through Friday evening. The Fire Weather Watch for Thursday has been upgraded. * AFFECTED AREA...In California...Fire weather zones 280, 281, 282, 284, and 285. This includes all of Siskiyou and Modoc counties on Thursday then the southern half of Siskiyou County and all but far northwest Modoc County on Friday. In Oregon...Fire weather zones 621, 623, 624, and 625. This includes the Fremont and Winema National Forest, and The Rogue River Siskiyou National Forest. Specifically, east of a line from Klamath Falls to Silver Lake on Thursday, then in southern Lake County on Friday. * THUNDERSTORMS...Scattered to widespread thunderstorm activity with abundant lightning. * OUTFLOW WINDS...Gusts around 40 to 60 mph are possible with any thunderstorms that develop. * DETAILED URL...View the hazard area in detail at https://www.wrh.noaa.gov/map/?wfo=mfr

Follow all fire restrictions. You can find your county's emergency sign up form as well as links to fire restrictions at weather.gov/medford/wildfire. One less spark, one less wildfire. Be sure you're signed up for your county's emergency alert system. Familiarize yourself with your emergency plan and make sure you listen to emergency services. Visit ready.gov/plan for more information. A Red Flag Warning is issued when we identify weather conditions that promote rapid spread of fire which may become life- threatening. This does not mean there is a fire. These conditions are either occurring now or will begin soon. It is important to have multiple ways to receive information from authorities. Follow all fire restrictions. Avoid activities that could cause sparks. Visit weather.gov/medford/wildfire for links to fire restrictions in your area. If you have not packet your go kit yet, now is the time to do so. This includes items like important documents and essentials you cannot live without. Fill your vehicle's fuel tank. Visit ready.gov/kit for more information. A Fire Weather Watch means that critical fire weather conditions are possible during the valid watch time. These conditions could promote the rapid spread of wildfires which could become life- threatening. Check weather.gov/medford for forecast updates and a possible upgrade of the this watch to a Red Flag Warning.


Fire Weather Watch issued July 23 at 12:16PM PDT until July 25 at 11:00PM PDT by NWS Medford OR

Effective: Wed July 23, 2025, 12:16 PM
Expires: Thu July 24, 2025, 7:00 AM

The National Weather Service in Medford has issued a Red Flag Warning, which is in effect from 1 PM to 11 PM PDT Thursday. A Fire Weather Watch has also been issued. This Fire Weather Watch is in effect from Friday afternoon through Friday evening. The Fire Weather Watch for Thursday has been upgraded. * AFFECTED AREA...In California...Fire weather zones 280, 281, 282, 284, and 285. This includes all of Siskiyou and Modoc counties on Thursday then the southern half of Siskiyou County and all but far northwest Modoc County on Friday. In Oregon...Fire weather zones 621, 623, 624, and 625. This includes the Fremont and Winema National Forest, and The Rogue River Siskiyou National Forest. Specifically, east of a line from Klamath Falls to Silver Lake on Thursday, then in southern Lake County on Friday. * THUNDERSTORMS...Scattered to widespread thunderstorm activity with abundant lightning. * OUTFLOW WINDS...Gusts around 40 to 60 mph are possible with any thunderstorms that develop. * DETAILED URL...View the hazard area in detail at https://www.wrh.noaa.gov/map/?wfo=mfr

Follow all fire restrictions. You can find your county's emergency sign up form as well as links to fire restrictions at weather.gov/medford/wildfire. One less spark, one less wildfire. Be sure you're signed up for your county's emergency alert system. Familiarize yourself with your emergency plan and make sure you listen to emergency services. Visit ready.gov/plan for more information. A Red Flag Warning is issued when we identify weather conditions that promote rapid spread of fire which may become life- threatening. This does not mean there is a fire. These conditions are either occurring now or will begin soon. It is important to have multiple ways to receive information from authorities. Follow all fire restrictions. Avoid activities that could cause sparks. Visit weather.gov/medford/wildfire for links to fire restrictions in your area. If you have not packet your go kit yet, now is the time to do so. This includes items like important documents and essentials you cannot live without. Fill your vehicle's fuel tank. Visit ready.gov/kit for more information. A Fire Weather Watch means that critical fire weather conditions are possible during the valid watch time. These conditions could promote the rapid spread of wildfires which could become life- threatening. Check weather.gov/medford for forecast updates and a possible upgrade of the this watch to a Red Flag Warning.


Red Flag Warning issued July 23 at 12:16PM PDT until July 24 at 11:00PM PDT by NWS Medford OR

Effective: Wed July 23, 2025, 12:16 PM
Expires: Thu July 24, 2025, 7:00 AM

The National Weather Service in Medford has issued a Red Flag Warning, which is in effect from 1 PM to 11 PM PDT Thursday. A Fire Weather Watch has also been issued. This Fire Weather Watch is in effect from Friday afternoon through Friday evening. The Fire Weather Watch for Thursday has been upgraded. * AFFECTED AREA...In California...Fire weather zones 280, 281, 282, 284, and 285. This includes all of Siskiyou and Modoc counties on Thursday then the southern half of Siskiyou County and all but far northwest Modoc County on Friday. In Oregon...Fire weather zones 621, 623, 624, and 625. This includes the Fremont and Winema National Forest, and The Rogue River Siskiyou National Forest. Specifically, east of a line from Klamath Falls to Silver Lake on Thursday, then in southern Lake County on Friday. * THUNDERSTORMS...Scattered to widespread thunderstorm activity with abundant lightning. * OUTFLOW WINDS...Gusts around 40 to 60 mph are possible with any thunderstorms that develop. * DETAILED URL...View the hazard area in detail at https://www.wrh.noaa.gov/map/?wfo=mfr

Follow all fire restrictions. You can find your county's emergency sign up form as well as links to fire restrictions at weather.gov/medford/wildfire. One less spark, one less wildfire. Be sure you're signed up for your county's emergency alert system. Familiarize yourself with your emergency plan and make sure you listen to emergency services. Visit ready.gov/plan for more information. A Red Flag Warning is issued when we identify weather conditions that promote rapid spread of fire which may become life- threatening. This does not mean there is a fire. These conditions are either occurring now or will begin soon. It is important to have multiple ways to receive information from authorities. Follow all fire restrictions. Avoid activities that could cause sparks. Visit weather.gov/medford/wildfire for links to fire restrictions in your area. If you have not packet your go kit yet, now is the time to do so. This includes items like important documents and essentials you cannot live without. Fill your vehicle's fuel tank. Visit ready.gov/kit for more information. A Fire Weather Watch means that critical fire weather conditions are possible during the valid watch time. These conditions could promote the rapid spread of wildfires which could become life- threatening. Check weather.gov/medford for forecast updates and a possible upgrade of the this watch to a Red Flag Warning.


Fire Weather Watch issued July 23 at 12:16PM PDT until July 25 at 11:00PM PDT by NWS Medford OR

Effective: Wed July 23, 2025, 12:16 PM
Expires: Thu July 24, 2025, 7:00 AM

The National Weather Service in Medford has issued a Red Flag Warning, which is in effect from 1 PM to 11 PM PDT Thursday. A Fire Weather Watch has also been issued. This Fire Weather Watch is in effect from Friday afternoon through Friday evening. The Fire Weather Watch for Thursday has been upgraded. * AFFECTED AREA...In California...Fire weather zones 280, 281, 282, 284, and 285. This includes all of Siskiyou and Modoc counties on Thursday then the southern half of Siskiyou County and all but far northwest Modoc County on Friday. In Oregon...Fire weather zones 621, 623, 624, and 625. This includes the Fremont and Winema National Forest, and The Rogue River Siskiyou National Forest. Specifically, east of a line from Klamath Falls to Silver Lake on Thursday, then in southern Lake County on Friday. * THUNDERSTORMS...Scattered to widespread thunderstorm activity with abundant lightning. * OUTFLOW WINDS...Gusts around 40 to 60 mph are possible with any thunderstorms that develop. * DETAILED URL...View the hazard area in detail at https://www.wrh.noaa.gov/map/?wfo=mfr

Follow all fire restrictions. You can find your county's emergency sign up form as well as links to fire restrictions at weather.gov/medford/wildfire. One less spark, one less wildfire. Be sure you're signed up for your county's emergency alert system. Familiarize yourself with your emergency plan and make sure you listen to emergency services. Visit ready.gov/plan for more information. A Red Flag Warning is issued when we identify weather conditions that promote rapid spread of fire which may become life- threatening. This does not mean there is a fire. These conditions are either occurring now or will begin soon. It is important to have multiple ways to receive information from authorities. Follow all fire restrictions. Avoid activities that could cause sparks. Visit weather.gov/medford/wildfire for links to fire restrictions in your area. If you have not packet your go kit yet, now is the time to do so. This includes items like important documents and essentials you cannot live without. Fill your vehicle's fuel tank. Visit ready.gov/kit for more information. A Fire Weather Watch means that critical fire weather conditions are possible during the valid watch time. These conditions could promote the rapid spread of wildfires which could become life- threatening. Check weather.gov/medford for forecast updates and a possible upgrade of the this watch to a Red Flag Warning.


Red Flag Warning issued July 23 at 12:31PM PDT until July 24 at 11:00PM PDT by NWS Eureka CA

Effective: Wed July 23, 2025, 12:31 PM
Expires: Wed July 23, 2025, 8:45 PM

...SCATTERED DRY THUNDERSTORMS POSSIBLE THURSDAY AFTERNOON AND EVENING AND FRIDAY ACROSS THE INTERIOR MOUNTAINS... .Scattered dry thunderstorms are forecast to develop in the Klamath Mountains Thursday afternoon and evening. The highest confidence of storms is in Siskiyou, Northern Humboldt, Eastern Del Norte, and Trinity counties. Some thunder potential also exists in southern Humboldt and in the Yolla Bollys. Thunderstorms are possible again on Friday, with storms possible further south into interior Mendocino and Northern Lake, along with interior Humboldt and Trinity Counties. The National Weather Service in Eureka has issued a Red Flag Warning, which is in effect from 11 AM to 11 PM PDT Thursday. a Fire Weather Watch has also been issued. This Fire Weather Watch is in effect from Friday morning through Friday evening. * THUNDERSTORMS...Scattered thunderstorms are possible in the afternoon, mostly over the higher terrain. * OUTFLOW WINDS...Gusty and erratic outflow winds up to 40 mph are possible. * IMPACTS...Lightning strikes may start fires.

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. A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings.


Wednesday, July 23, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 69.2°F
Average Humidity: 51%
Chance of Rain: 0%
Wind: 17.7 mph
UV Index: 2.5

Air Quality

AQI: 1 - Good
PM2.5: 9.9 μg/m3
PM10: 10.5 μg/m3
Carbon Monoxide: 251.08 μg/m3
Nitrogen Dioxide: 6.86 μg/m3
Sulphur Dioxide: 0.67 μg/m3
Ozone: 93.96 μg/m3

Astronomical

Sunrise: 5:51 AM
Sun Transit: 1:12 PM
Sunset: 8:34 PM
Daylight: 14 hrs 43 mins
Moonrise: 4:11 AM
Moon Transit: 12:20 AM
Moonset: 8:22 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.2%

Best Times for Fishing or Hunting

Major Periods

7:58 PM - 10:28 PM
11:50 AM - 2:20 PM

Minor Periods

7:52 PM - 9:22 PM
3:41 AM - 5:11 AM

Action Rating: 2 out of 5

Thursday, July 24, 2025

Weather Forecast

Conditions: Moderate rain
Average Temperature: 68.9°F
Average Humidity: 61%
Chance of Rain: 83%
Wind: 26.2 mph
UV Index: 2.6

Air Quality

AQI: 1 - Good
PM2.5: 8.94 μg/m3
PM10: 9.78 μg/m3
Carbon Monoxide: 266.55 μg/m3
Nitrogen Dioxide: 5.48 μg/m3
Sulphur Dioxide: 0.72 μg/m3
Ozone: 97.44 μg/m3

Astronomical

Sunrise: 5:52 AM
Sun Transit: 1:12 PM
Sunset: 8:33 PM
Daylight: 14 hrs 41 mins
Moonrise: 5:25 AM
Moon Transit: 1:18 PM
Moonset: 8:59 PM
Moon Phase: New
Moon Illumination: 0.4%

Best Times for Fishing or Hunting

Major Periods

8:54 PM - 11:24 PM
12:48 AM - 3:18 PM

Minor Periods

8:29 PM - 9:59 PM
4:55 AM - 6:25 AM

Action Rating: 5 out of 5

Friday, July 25, 2025

Weather Forecast

Conditions: Cloudy
Average Temperature: 66.5°F
Average Humidity: 66%
Chance of Rain: 0%
Wind: 15.2 mph
UV Index: 2.3

Air Quality

AQI: 1 - Good
PM2.5: 10.52 μg/m3
PM10: 11.91 μg/m3
Carbon Monoxide: 265.88 μg/m3
Nitrogen Dioxide: 9.19 μg/m3
Sulphur Dioxide: 0.7 μg/m3
Ozone: 91.92 μg/m3

Astronomical

Sunrise: 5:53 AM
Sun Transit: 1:12 PM
Sunset: 8:32 PM
Daylight: 14 hrs 39 mins
Moonrise: 6:41 AM
Moon Transit: 2:11 PM
Moonset: 9:28 PM
Moon Phase: New
Moon Illumination: 3.1%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
1:41 PM - 4:11 PM

Minor Periods

8:58 PM - 10:28 PM
6:11 AM - 7:41 AM

Action Rating: 5 out of 5

Saturday, July 26, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 62.7°F
Average Humidity: 64%
Chance of Rain: 88%
Wind: 17.7 mph
UV Index: 2.2

Air Quality

AQI: 1 - Good
PM2.5: 12.98 μg/m3
PM10: 15.71 μg/m3
Carbon Monoxide: 329.87 μg/m3
Nitrogen Dioxide: 13.62 μg/m3
Sulphur Dioxide: 0.6 μg/m3
Ozone: 86.92 μg/m3

Astronomical

Sunrise: 5:54 AM
Sun Transit: 1:12 PM
Sunset: 8:31 PM
Daylight: 14 hrs 37 mins
Moonrise: 7:53 AM
Moon Transit: 3:00 PM
Moonset: 9:52 PM
Moon Phase: New
Moon Illumination: 0.7%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
2:30 PM - 5:00 PM

Minor Periods

9:22 PM - 10:52 PM
7:23 AM - 8:53 AM

Action Rating: 3 out of 5

Sunday, July 27, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 60.4°F
Average Humidity: 65%
Chance of Rain: 0%
Wind: 11.2 mph
UV Index: 0

Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 5:55 AM
Sun Transit: 1:12 PM
Sunset: 8:30 PM
Daylight: 14 hrs 35 mins
Moonrise: 9:02 AM
Moon Transit: 3:43 PM
Moonset: 10:13 PM
Moon Phase: New
Moon Illumination: 3.8%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
3:13 PM - 5:43 PM

Minor Periods

9:43 PM - 11:13 PM
8:32 AM - 10:02 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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