National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Strong Storm System Brings Heavy Mountain Snow to the Sierra Nevada and Critical Fire Weather Conditions to the Plains

A Pacific storm system will continue to bring low elevation rain and mountain snow to much of the West through Wednesday, with heavy mountain snow expected in the higher elevations of the Sierra Nevada. This system will also bring strong winds to the Intermountain West, Rockies, and Plains, which will create Critical fire weather conditions for the High Plains. Read More >

Current conditions at

Guam International Airport (PGUM)

Lat: 13.48°NLon: 144.8°EElev: 304ft.

Fair

81°F

27°C

Humidity 79%
Wind Speed E 12 mph
Barometer 29.89 in (1011.2 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 22 Apr 7:54 pm ChST
Extended Forecast for

Santa Rosa GU

  • Tonight

    Tonight: Isolated showers. Partly cloudy, with a low around 77. East northeast wind 11 to 14 mph.

    Low: 77 °F

    Isolated
    Showers

  • Thursday

    Thursday: Isolated showers. Mostly sunny, with a high near 88. East wind 13 to 18 mph, with gusts as high as 24 mph.

    High: 88 °F

    Isolated
    Showers

  • Thursday Night

    Thursday Night: Isolated showers. Partly cloudy, with a low around 77. East wind 10 to 16 mph, with gusts as high as 21 mph.

    Low: 77 °F

    Isolated
    Showers

  • Friday

    Friday: Isolated showers. Mostly sunny, with a high near 88. East wind 10 to 16 mph, with gusts as high as 21 mph.

    High: 88 °F

    Isolated
    Showers

  • Friday Night

    Friday Night: Isolated showers. Partly cloudy, with a low around 77. East northeast wind 8 to 13 mph.

    Low: 77 °F

    Isolated
    Showers

  • Saturday

    Saturday: Isolated showers. Mostly sunny, with a high near 87.

    High: 87 °F

    Isolated
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 77.

    Low: 77 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A chance of showers. Mostly cloudy, with a low around 78.

    Low: 78 °F

    Chance
    Showers

Detailed Forecast

Tonight
Isolated showers. Partly cloudy, with a low around 77. East northeast wind 11 to 14 mph.
Thursday
Isolated showers. Mostly sunny, with a high near 88. East wind 13 to 18 mph, with gusts as high as 24 mph.
Thursday Night
Isolated showers. Partly cloudy, with a low around 77. East wind 10 to 16 mph, with gusts as high as 21 mph.
Friday
Isolated showers. Mostly sunny, with a high near 88. East wind 10 to 16 mph, with gusts as high as 21 mph.
Friday Night
Isolated showers. Partly cloudy, with a low around 77. East northeast wind 8 to 13 mph.
Saturday
Isolated showers. Mostly sunny, with a high near 87.
Saturday Night
Partly cloudy, with a low around 77.
Sunday
Mostly sunny, with a high near 88.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 78.
Monday
A chance of showers. Partly sunny, with a high near 85.
Monday Night
A chance of showers. Mostly cloudy, with a low around 78.
Tuesday
A chance of showers. Partly sunny, with a high near 88.
Tuesday Night
Partly cloudy, with a low around 77.
Wednesday
Mostly sunny, with a high near 88.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Santa Rosa GU
 13.4°N 144.67°E
Last Update:
6:06 pm ChST Apr 22, 2026
Forecast Valid:
8pm ChST Apr 22, 2026-6pm ChST Apr 29, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation