Harper, California Weather
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Weather Forecast for Harper, California : Modoc County
Issued: 4:40 am PDT Aug 16, 2025 Latitude: 41.2148912 Longitude: -120.9316338 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Sunday Monday Tuesday Wednesday Thursday Friday
20% chance of thunderstorms on Today 20% chance of thunderstorms on Tonight 20% chance of thunderstorms on Sunday Sunny on Monday Sunny on Tuesday Sunny on Wednesday Sunny on Thursday Sunny on Friday
High: 81°F Low: 55°F High: 76°F High: 79°F High: 82°F High: 87°F High: 90°F High: 91°F
Low: 50°F Low: 48°F Low: 50°F Low: 52°F Low: 56°F  
Thunderstorms Thunderstorms Thunderstorms Sunny Sunny Sunny Sunny Sunny
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Current Conditions at
ALTURAS - (KAAT)
55°
Clear
as of 6:55 AM PDST
Rel. Humidity: 71%
Dew Point: 46°F
Visibility: 10 Miles
Pressure: 30.11 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
MT SHASTA - (KMHS)
63°
Mostly Clear
as of 6:56 AM PDST
Rel. Humidity: 77%
Dew Point: 55°F
Visibility: 10 Miles
Pressure: 30.06 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Few at 10000ft
Current Conditions at
LAKEVIEW - (KLKV)
57°
Clear
as of 6:53 AM PDST
Rel. Humidity: 82%
Dew Point: 52°F
Visibility: 10 Miles
Pressure: 30.12 in.
Flight Rule: VFR
Wind Data
3 MPH
090° East
Cloud Level(s): Clear
Current Conditions at
KLAMATH FALLS - (KLMT)
61°
Cloudy
as of 6:53 AM PDST
Rel. Humidity: 82%
Dew Point: 55°F
Visibility: 10 Miles
Pressure: 30.08 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Few at 6500ft, Solid Overcast at 10000ft
20% chance of thunderstorms Today Today... A 20 percent chance of showers and thunderstorms after 11am. Increasing clouds, with a high near 81. Light and variable wind becoming west southwest 8 to 13 mph in the afternoon. Winds could gust as high as 20 mph.
20% chance of thunderstorms Tonight Tonight... A slight chance of showers and thunderstorms. Partly cloudy, with a low around 55. West southwest wind 10 to 15 mph becoming light and variable in the evening. Winds could gust as high as 23 mph. Chance of precipitation is 20%.
20% chance of thunderstorms Sunday Sunday... A slight chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 76. Light south wind becoming west southwest 5 to 10 mph in the afternoon. Chance of precipitation is 20%.
Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 50. West southwest wind 9 to 14 mph becoming light and variable in the evening. Winds could gust as high as 21 mph.
Sunny on Monday Monday... Sunny, with a high near 79. Light and variable wind becoming west southwest 6 to 11 mph in the afternoon.
Clear on Monday Night Monday Night... Clear, with a low around 48.
Sunny on Tuesday Tuesday... Sunny, with a high near 82.
Clear on Tuesday Night Tuesday Night... Clear, with a low around 50.
Sunny on Wednesday Wednesday... Sunny, with a high near 87.
Clear on Wednesday Night Wednesday Night... Clear, with a low around 52.
Sunny on Thursday Thursday... Sunny, with a high near 90.
Mostly Clear on Thursday Night Thursday Night... Mostly clear, with a low around 56.
Sunny on Friday Friday... Sunny, with a high near 91.
Current Radar Image


Sun Almanac for Harper, California
Sunrise: 06:15 AM
Sunset: 8:01 PM
Civil Sunrise:05:45 AM
Civil Sunset: 8:30 PM
Nautical Sunrise: 05:10 AM
Nautical Sunset: 9:06 PM
Astro Sunrise: 04:31 AM
Astro Sunset: 9:45 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.