Areas of Excessive Rainfall and Severe Thunderstorms; Fire Weather Concerns in the Northern Plains and Four Corners Region

Widespread showers and thunderstorms may bring areas of flash flooding across much of the Southern Plains into the Gulf Coast region and the upper Ohio River Valley into the Mid-Atlantic. A large Pacific storm will bring widespread rain, gusty winds, and mountain snow to California and the Great Basin. Fire weather concerns expected in the Northern Plains and the Four Corners region. Read More >

Current conditions at

Guam International Airport (PGUM)

Lat: 13.48°NLon: 144.8°EElev: 304ft.

Light Rain

82°F

28°C

Humidity 84%
Wind Speed SE 9 G 20 mph
Barometer 29.82 in
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 27 May 3:54 pm ChST
Extended Forecast for

2 Miles SW Maina GU

  • This Afternoon

    This Afternoon: Scattered showers and thunderstorms. Some of the storms could produce heavy rainfall.  Mostly cloudy, with a high near 85. East southeast wind around 11 mph.  Chance of precipitation is 50%.

    High: 85 °F

    Heavy Rain

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rainfall.  Cloudy, with a low around 77. East southeast wind 7 to 11 mph.  Chance of precipitation is 60%.

    Low: 77 °F

    Heavy Rain

  • Thursday

    Thursday: Scattered showers and thunderstorms.  Mostly cloudy, with a high near 84. Southeast wind 7 to 9 mph.  Chance of precipitation is 40%.

    High: 84 °F

    Scattered
    Showers

  • Thursday Night

    Thursday Night: Scattered showers and thunderstorms.  Mostly cloudy, with a low around 77. Southeast wind 5 to 8 mph.  Chance of precipitation is 30%.

    Low: 77 °F

    Scattered
    Showers

  • Friday

    Friday: Scattered showers and thunderstorms.  Partly sunny, with a high near 85. East southeast wind 7 to 11 mph.  Chance of precipitation is 30%.

    High: 85 °F

    Scattered
    Showers

  • Friday Night

    Friday Night: A 30 percent chance of showers.  Mostly cloudy, with a low around 79.

    Low: 79 °F

    Chance
    Showers

  • Saturday

    Saturday: A 30 percent chance of showers.  Partly sunny, with a high near 86.

    High: 86 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers.  Mostly cloudy, with a low around 78.

    Low: 78 °F

    Chance
    Showers

  • Sunday

    Sunday: Partly sunny, with a high near 86.

    High: 86 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Scattered showers and thunderstorms. Some of the storms could produce heavy rainfall. Mostly cloudy, with a high near 85. East southeast wind around 11 mph. Chance of precipitation is 50%.
Tonight
Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Cloudy, with a low around 77. East southeast wind 7 to 11 mph. Chance of precipitation is 60%.
Thursday
Scattered showers and thunderstorms. Mostly cloudy, with a high near 84. Southeast wind 7 to 9 mph. Chance of precipitation is 40%.
Thursday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 77. Southeast wind 5 to 8 mph. Chance of precipitation is 30%.
Friday
Scattered showers and thunderstorms. Partly sunny, with a high near 85. East southeast wind 7 to 11 mph. Chance of precipitation is 30%.
Friday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 79.
Saturday
A 30 percent chance of showers. Partly sunny, with a high near 86.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 78.
Sunday
Partly sunny, with a high near 86.
Sunday Night
Partly cloudy, with a low around 79.
Monday
Mostly sunny, with a high near 85.
Monday Night
Partly cloudy, with a low around 79.
Tuesday
Mostly sunny, with a high near 83.
Tuesday Night
Mostly cloudy, with a low around 82.
Wednesday
Mostly sunny, with a high near 83.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Maina GU
 13.45°N 144.74°E
6:05 am ChST May 27, 2026
4pm ChST May 27, 2026-6pm ChST Jun 3, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database