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

Andersen, Mariana Is, Andersen Air Force Base (PGUA)

Lat: 13.58°NLon: 144.93°EElev: 614ft.

Overcast

83°F

28°C

Humidity 80%
Wind Speed NE 15 mph
Barometer 30.02 in
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index91°F (33°C)
Last update 22 Apr 10:55 am ChST
Extended Forecast for

Andersen AFB GU

  • Today

    Today: Isolated showers. Mostly sunny, with a high near 88. East northeast wind around 14 mph.

    High: 88 °F

    Isolated
    Showers

  • Tonight

    Tonight: Isolated showers. Partly cloudy, with a low around 76. East northeast wind 9 to 13 mph.

    Low: 76 °F

    Isolated
    Showers

  • Thursday

    Thursday: Isolated showers. Mostly sunny, with a high near 88. East wind 11 to 15 mph, with gusts as high as 20 mph.

    High: 88 °F

    Isolated
    Showers

  • Thursday Night

    Thursday Night: Isolated showers. Partly cloudy, with a low around 76. East wind 10 to 14 mph, with gusts as high as 18 mph.

    Low: 76 °F

    Isolated
    Showers

  • Friday

    Friday: Isolated showers. Mostly sunny, with a high near 88. East wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 88 °F

    Isolated
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 76.

    Low: 76 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 76.

    Low: 76 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 89.

    High: 89 °F

    Mostly Sunny

Detailed Forecast

Today
Isolated showers. Mostly sunny, with a high near 88. East northeast wind around 14 mph.
Tonight
Isolated showers. Partly cloudy, with a low around 76. East northeast wind 9 to 13 mph.
Thursday
Isolated showers. Mostly sunny, with a high near 88. East wind 11 to 15 mph, with gusts as high as 20 mph.
Thursday Night
Isolated showers. Partly cloudy, with a low around 76. East wind 10 to 14 mph, with gusts as high as 18 mph.
Friday
Isolated showers. Mostly sunny, with a high near 88. East wind 10 to 15 mph, with gusts as high as 20 mph.
Friday Night
Partly cloudy, with a low around 76.
Saturday
Mostly sunny, with a high near 88.
Saturday Night
Partly cloudy, with a low around 76.
Sunday
Mostly sunny, with a high near 89.
Sunday Night
Partly cloudy, with a low around 76.
Monday
Mostly sunny, with a high near 88.
Monday Night
Partly cloudy, with a low around 76.
Tuesday
Mostly sunny, with a high near 89.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Andersen AFB GU
 13.56°N 144.93°E
Last Update:
6:07 am ChST Apr 22, 2026
Forecast Valid:
11am ChST Apr 22, 2026-6pm ChST Apr 28, 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

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Chance of Precipitation