Severe Thunderstorms for the Center of the Nation; Fire Weather Concerns; Flooding Issues for the Great Lakes Region

A round of severe thunderstorms are forecast across areas of the Southern Plains, Mississippi Valley and Great Lakes this afternoon and tonight; The threat for flash flooding will also accompany these storms. The rainfall for the Great Lakes region could prolong the ongoing flooding. Where the rain is needed, the Southern High Plains, critical fire weather concerns through today. Read More >

Current conditions at

Guam International Airport (PGUM)

Lat: 13.48°NLon: 144.8°EElev: 304ft.

Fair

76°F

24°C

Humidity 91%
Wind Speed SW 6 mph
Barometer 29.76 in (1006.9 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index76°F (24°C)
Last update 18 Apr 5:54 am ChST
Extended Forecast for

2 Miles SW Maina GU

High Surf Advisory April 18, 10:00am until April 19, 05:00pm
Coastal Flood Advisory April 18, 06:36am until April 18, 05:00pm
High Surf Warning April 18, 06:36am until April 18, 10:00am
Click here for hazard details and duration
High Surf Advisory
Coastal Flood Advisory
...
  •  
    Coastal Flood Advisory April 18, 06:36am until April 18, 05:00pm
    High Surf Warning April 18, 06:36am until April 18, 10:00am

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Today

    High: 87 °F

    Isolated
    Showers

  • Tonight

    Tonight: Isolated showers.  Mostly cloudy, with a low around 77. West southwest wind 5 to 8 mph becoming calm  after midnight.

    Low: 77 °F

    Isolated
    Showers

  • Sunday

    Sunday: Isolated showers.  Mostly sunny, with a high near 87. Light southwest wind.

    High: 87 °F

    Isolated
    Showers

  • Sunday Night

    Sunday Night: Isolated showers.  Partly cloudy, with a low around 77. Light and variable wind.

    Low: 77 °F

    Isolated
    Showers

  • Monday

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

    High: 86 °F

    Mostly Sunny

  • Monday Night

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

    Low: 77 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny

  • Tuesday Night

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

    Low: 77 °F

    Partly Cloudy

Detailed Forecast

Today
Isolated showers. Mostly sunny, with a high near 87. West southwest wind 9 to 11 mph.
Tonight
Isolated showers. Mostly cloudy, with a low around 77. West southwest wind 5 to 8 mph becoming calm after midnight.
Sunday
Isolated showers. Mostly sunny, with a high near 87. Light southwest wind.
Sunday Night
Isolated showers. Partly cloudy, with a low around 77. Light and variable wind.
Monday
Mostly sunny, with a high near 86. Calm wind becoming north northeast around 5 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 77.
Tuesday
Mostly sunny, with a high near 88.
Tuesday Night
Partly cloudy, with a low around 77.
Wednesday
Mostly sunny, with a high near 88.
Wednesday Night
Partly cloudy, with a low around 77.
Thursday
Mostly sunny, with a high near 88.
Thursday Night
Partly cloudy, with a low around 77.
Friday
Mostly sunny, with a high near 88.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Maina GU
 13.45°N 144.74°E
6:07 am ChST Apr 18, 2026
6am ChST Apr 18, 2026-6pm ChST Apr 24, 2026
 
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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