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

Critical Fire Weather Conditions in the Plains; Heavy Snow in the Sierra and Northern Rockies

Gusty winds and warm, very dry conditions will lead to a Critical Risk of fire weather across much of the High Plains through Thursday. A Pacific storm system will bring strong winds and precipitation from the Pacific Northwest to the Northern Rockies, with heavy mountain snow in the Sierra-Nevada and northern Rockies. Heavy snow will continue in the northern Rockies on Thursday. Read More >

Current conditions at

Guam International Airport (PGUM)

Lat: 13.48°NLon: 144.8°EElev: 304ft.

Fair

80°F

27°C

Humidity 85%
Wind Speed NE 12 mph
Barometer 29.88 in (1011.1 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 23 Apr 4:54 am ChST
Extended Forecast for

Sinajana GU

  • Today

    Today: 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

  • Tonight

    Tonight: Isolated showers. Partly cloudy, with a low around 76. East wind 9 to 14 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: Isolated showers. Partly cloudy, with a low around 76. East northeast wind 8 to 13 mph.

    Low: 76 °F

    Isolated
    Showers

  • Saturday

    Saturday: Isolated showers. Mostly sunny, with a high near 88. East northeast wind 10 to 17 mph, with gusts as high as 22 mph.

    High: 88 °F

    Isolated
    Showers

  • Saturday Night

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

    Low: 76 °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

  • Monday

    Monday: A chance of showers. Partly sunny, with a high near 85.

    High: 85 °F

    Chance
    Showers

Detailed Forecast

Today
Isolated showers. Mostly sunny, with a high near 88. East wind 10 to 15 mph, with gusts as high as 20 mph.
Tonight
Isolated showers. Partly cloudy, with a low around 76. East wind 9 to 14 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
Isolated showers. Partly cloudy, with a low around 76. East northeast wind 8 to 13 mph.
Saturday
Isolated showers. Mostly sunny, with a high near 88. East northeast wind 10 to 17 mph, with gusts as high as 22 mph.
Saturday Night
Partly cloudy, with a low around 76.
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 76.
Wednesday
Mostly sunny, with a high near 89.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sinajana GU
 13.47°N 144.76°E
Last Update:
6:06 pm ChST Apr 22, 2026
Forecast Valid:
5am ChST Apr 23, 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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation