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Glenn, CA Weather Forecast

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Clear

82°F

Updated	10:34 pm
Feels Like	70°F
Humidity	20%
Wind	E 3 mph
Barometer	30 in
Dew Point	37°F

Clear

28°C

Updated	10:34 pm
Feels Like	21°C
Humidity	20%
Wind	E 5 km/h
Barometer	101.6 kPa
Dew Point	3°C

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Cloud Cover	44%
uv UV Index	7
Sunrise	6:43 AM
Sunset	7:28 PM
Moonrise	3:46 AM
Moonset	6:17 PM

Civil Twilight
6:14 AM to 6:41 AM
7:26 PM to 7:53 PM
Glenn CA Weather - Waning Crescent Moon

Waning Crescent Moon

Glenn Weather Forecast

TONIGHT	WEDNESDAY	WEDNESDAY NIGHT	THURSDAY	THURSDAY NIGHT	FRIDAY	FRIDAY NIGHT	SATURDAY	SUNDAY	MONDAY	TUESDAY

Clear	Sunny	Partly Cloudy	Clearing	Mostly Clear	Sunny	Clear	Clear	Clear	Clear	Clear
Lo: 61°FLo: 16°C	Hi: 98°FHi: 37°C	Lo: 64°FLo: 18°C	Hi: 96°FHi: 36°C	Lo: 63°FLo: 17°C	Hi: 92°FHi: 33°C	Lo: 60°FLo: 16°C	Hi: 84°FHi: 29°C Lo: 59°FLo: 15°C	Hi: 84°FHi: 29°C Lo: 59°FLo: 15°C	Hi: 84°FHi: 29°C Lo: 59°FLo: 15°C	Hi: 84°FHi: 29°C Lo: 59°FLo: 15°C

POP = Probability of Precipitation.

Weather Outlook Updated: 800 PM PDT Tue Sep 08 2026 Glenn, CA Weather - WeatherWorld.com

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Issued: 1247 PM PDT Tue Sep 8 2026

Key Messages

Drying and warming trend through Thursday, with areas of Moderate to Major HeatRisk Wednesday and Thursday.
Heat Advisory is in effect 10 am Wednesday - 10 pm Thursday for the Delta, Valley, and foothills.
Cooling temperatures late week into the weekend.
Breezy onshore winds Friday-Saturday followed by gustier north winds Sunday-Monday.

Discussion

...

Today-Thursday: A fluctuating weather pattern is setting up across the region today with split flow aloft currently over interior NorCal....

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UCP

(Unit Control Position): The WSR-88D radar operator uses this to control the entire radar system. One of the main things that the radar operator will do at the UCP is change volume scan strategies of the antenna. These volume scan strategies tell the radar how many elevation angles will be used during a single volume scan (a volume scan is the completion of a sequence of elevation angles), and the amount of time it will take to complete that sequence of elevation cuts, each one being a single rotation of the antenna's 1 degree beam at selected elevation angles. The WSR-88D uses 3 scan strategies. They are the following: 14 elevation angles in 5 minutes (this is used during severe weather situations), 9 elevation angles in 6 minutes (this is used when there is precipitation within 248 nautical miles of the radar), and 5 elevation angles in 10 minutes (this is used when there is no precipitation within 248 nautical miles). The radar operator at the UCP can also adjust the radar products and help the users out with their communication problems.