Severe Weather in the Central Plains; Fire Concerns in the Southern High Plains and Southwest; Late-Season Mountain Snow

Severe storms, including large hail, wind, and perhaps a couple of tornadoes, are possible in the central Plains. Dry, windy conditions and lightning from dry thunderstorms may produce hazardous fire conditions in the Southwest and southern High Plains. Late-season snow is expected in the Northwest and the Great Basin. Heat is spreading across the eastern U.S.. Read More >

Current conditions at

Guam International Airport (PGUM)

Lat: 13.48°NLon: 144.8°EElev: 304ft.

Overcast

83°F

28°C

Humidity 79%
Wind Speed E 12 mph
Barometer 29.86 in (1010.1 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index91°F (33°C)
Last update 17 May 12:54 am ChST
Extended Forecast for

Agana Heights GU

  • Overnight

    Overnight: Isolated showers.  Partly cloudy, with a low around 77. East wind around 11 mph.

    Low: 77 °F

    Isolated
    Showers

  • Sunday

    Sunday: Isolated showers.  Mostly sunny, with a high near 87. East wind 11 to 16 mph, with gusts as high as 21 mph.

    High: 87 °F

    Isolated
    Showers

  • Sunday Night

    Sunday Night: Isolated showers.  Partly cloudy, with a low around 78. East wind 10 to 15 mph, with gusts as high as 18 mph.

    Low: 78 °F

    Isolated
    Showers

  • Monday

    Monday: Scattered showers.  Partly sunny, with a high near 87. East wind 11 to 16 mph, with gusts as high as 21 mph.  Chance of precipitation is 30%.

    High: 87 °F

    Scattered
    Showers

  • Monday Night

    Monday Night: Scattered showers and thunderstorms.  Mostly cloudy, with a low around 77. East wind 10 to 15 mph, with gusts as high as 18 mph.  Chance of precipitation is 40%.

    Low: 77 °F

    Scattered
    Showers

  • Tuesday

    Tuesday: Scattered showers.  Partly sunny, with a high near 87. Chance of precipitation is 40%.

    High: 87 °F

    Scattered
    Showers

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers.  Mostly cloudy, with a low around 77.

    Low: 77 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 78.

    Low: 78 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Isolated showers. Partly cloudy, with a low around 77. East wind around 11 mph.
Sunday
Isolated showers. Mostly sunny, with a high near 87. East wind 11 to 16 mph, with gusts as high as 21 mph.
Sunday Night
Isolated showers. Partly cloudy, with a low around 78. East wind 10 to 15 mph, with gusts as high as 18 mph.
Monday
Scattered showers. Partly sunny, with a high near 87. East wind 11 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
Monday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 77. East wind 10 to 15 mph, with gusts as high as 18 mph. Chance of precipitation is 40%.
Tuesday
Scattered showers. Partly sunny, with a high near 87. Chance of precipitation is 40%.
Tuesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 77.
Wednesday
Mostly sunny, with a high near 88.
Wednesday Night
Mostly cloudy, with a low around 78.
Thursday
Partly sunny, with a high near 87.
Thursday Night
Partly cloudy, with a low around 78.
Friday
Mostly sunny, with a high near 88.
Friday Night
Partly cloudy, with a low around 79.
Saturday
A chance of showers. Partly sunny, with a high near 87.
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ABOUT THIS FORECAST

 
Point Forecast:
Agana Heights GU
 13.47°N 144.74°E
12:57 am ChST May 17, 2026
1am ChST May 17, 2026-6pm ChST May 23, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database