Isolated Severe Storms in the Midwest; Fire Weather Concerns in the Northern Plains; Record Heat in the West

Isolated severe storms are possible across parts of the Florida Peninsula and the Great Lakes to Lower Missouri Valley and south-central Plains late this afternoon and early evening. Elevated to critical fire weather concerns continue over much of the northern Great Plains. Above average temperatures persist across portions of the West today. Read More >

Current conditions at

Guam International Airport (PGUM)

Lat: 13.48°NLon: 144.8°EElev: 304ft.

Fair

81°F

27°C

Humidity 89%
Wind Speed Calm
Barometer 29.83 in (1009.5 mb)
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 13 May 12:54 am ChST
Extended Forecast for

Agana Heights GU

  • Overnight

    Overnight: Scattered showers and thunderstorms.  Mostly cloudy, with a low around 78. South southeast wind 3 to 7 mph.  Chance of precipitation is 40%.

    Low: 78 °F

    Scattered
    Showers

  • Wednesday

    Wednesday: Scattered showers and thunderstorms after noon.  Partly sunny, with a high near 88. Light and variable wind.  Chance of precipitation is 30%.

    High: 88 °F

    Mostly Sunny
    then
    Scattered
    Showers

  • Wednesday Night

    Wednesday Night: Scattered showers and thunderstorms.  Mostly cloudy, with a low around 77. Calm wind becoming southeast around 5 mph.  Chance of precipitation is 30%.

    Low: 77 °F

    Scattered
    Showers

  • Thursday

    Thursday: Isolated showers.  Partly sunny, with a high near 88. East southeast wind 3 to 8 mph.

    High: 88 °F

    Isolated
    Showers

  • Thursday Night

    Thursday Night: Scattered showers.  Mostly cloudy, with a low around 77. East wind around 8 mph.  Chance of precipitation is 30%.

    Low: 77 °F

    Scattered
    Showers

  • Friday

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

    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 77.

    Low: 77 °F

    Partly Cloudy

Detailed Forecast

Overnight
Scattered showers and thunderstorms. Mostly cloudy, with a low around 78. South southeast wind 3 to 7 mph. Chance of precipitation is 40%.
Wednesday
Scattered showers and thunderstorms after noon. Partly sunny, with a high near 88. Light and variable wind. Chance of precipitation is 30%.
Wednesday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 77. Calm wind becoming southeast around 5 mph. Chance of precipitation is 30%.
Thursday
Isolated showers. Partly sunny, with a high near 88. East southeast wind 3 to 8 mph.
Thursday Night
Scattered showers. Mostly cloudy, with a low around 77. East wind around 8 mph. Chance of precipitation is 30%.
Friday
Isolated showers. Mostly sunny, with a high near 88.
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 77.
Sunday
Mostly sunny, with a high near 88.
Sunday Night
Partly cloudy, with a low around 78.
Monday
Mostly sunny, with a high near 87.
Monday Night
Mostly cloudy, with a low around 77.
Tuesday
Partly sunny, with a high near 88.
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ABOUT THIS FORECAST

 
Point Forecast:
Agana Heights GU
 13.47°N 144.74°E
6:06 pm ChST May 12, 2026
1am ChST May 13, 2026-6pm ChST May 19, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database