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Showers and Thunderstorms for the Eastern Third of the Country; Fire Weather Concerns; Flooding Issues for the Great Lakes Region

Showers and thunderstorms will continue along and ahead of a cold front for the eastern third of the country. The rainfall for the Great Lakes region could prolong the ongoing flooding. Much cooler weather will filter in behind this cold front along and east of the Rockies. Where the rain is needed, the Southern High Plains, critical fire weather concerns through this weekend. Read More >

Hazardous Weather Conditions

Current conditions at

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

Lat: 13.58°NLon: 144.93°EElev: 614ft.

Fair

78°F

26°C

Humidity 88%
Wind Speed SW 3 mph
Barometer 29.95 in
Dewpoint 74°F (23°C)
Visibility 8.00 mi
Heat Index80°F (27°C)
Last update 18 Apr 9:55 pm ChST
Extended Forecast for

Andersen AFB GU

High Surf Advisory April 18, 10:21pm until April 20, 05:00am
Click here for hazard details and duration
High Surf Advisory
  •  
    High Surf Advisory April 18, 10:21pm until April 20, 05:00am

    NOW until 5:00am Mon

    High Surf Advisory

  • Tonight

    Low: 77 °F

    Isolated
    Showers

  • Sunday

    Sunday: Scattered showers, mainly after noon. Mostly sunny, with a high near 87. South wind around 6 mph becoming calm in the afternoon. Chance of precipitation is 30%.

    High: 87 °F

    Scattered
    Showers

  • Sunday Night

    Sunday Night: Isolated showers. Partly cloudy, with a low around 76. Calm wind.

    Low: 76 °F

    Isolated
    Showers

  • Monday

    Monday: Isolated showers. Mostly sunny, with a high near 86. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 86 °F

    Isolated
    Showers

  • Monday Night

    Monday Night: Isolated showers. Partly cloudy, with a low around 77. Northeast wind around 6 mph.

    Low: 77 °F

    Isolated
    Showers

  • Tuesday

    Tuesday: Isolated showers. Mostly sunny, with a high near 88.

    High: 88 °F

    Isolated
    Showers

  • Tuesday Night

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

    Low: 76 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny

Detailed Forecast

Tonight
Isolated showers. Partly cloudy, with a low around 77. West southwest wind 3 to 6 mph.
Sunday
Scattered showers, mainly after noon. Mostly sunny, with a high near 87. South wind around 6 mph becoming calm in the afternoon. Chance of precipitation is 30%.
Sunday Night
Isolated showers. Partly cloudy, with a low around 76. Calm wind.
Monday
Isolated showers. Mostly sunny, with a high near 86. Calm wind becoming northeast around 5 mph in the afternoon.
Monday Night
Isolated showers. Partly cloudy, with a low around 77. Northeast wind around 6 mph.
Tuesday
Isolated showers. Mostly sunny, with a high near 88.
Tuesday Night
Partly cloudy, with a low around 76.
Wednesday
Mostly sunny, with a high near 88.
Wednesday Night
Partly cloudy, with a low around 76.
Thursday
Mostly sunny, with a high near 88.
Thursday Night
Partly cloudy, with a low around 76.
Friday
Mostly sunny, with a high near 88.
Friday Night
Partly cloudy, with a low around 76.
Saturday
Mostly sunny, with a high near 88.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Andersen AFB GU
 13.56°N 144.93°E
Last Update:
6:07 pm ChST Apr 18, 2026
Forecast Valid:
10pm ChST Apr 18, 2026-6pm ChST Apr 25, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation