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

Severe Thunderstorm and Excessive Rainfall Potential for the Central U.S. Today

Severe thunderstorms with a threat for large hail, isolated damaging winds and possibly a tornado are expected in parts of eastern Colorado today from mid afternoon to early evening. Several days of heavy rainfall will begin today over the western Gulf Coast where Flood Watches and excessive rainfall outlooks have been issued for today, Saturday, and Sunday. Read More >

Current conditions at

Guam International Airport (PGUM)

Lat: 13.48°NLon: 144.8°EElev: 304ft.

Partly Cloudy

81°F

27°C

Humidity 88%
Wind Speed E 9 mph
Barometer 29.88 in (1011.2 mb)
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 22 May 5:54 am ChST
Extended Forecast for

Tamuning GU

  • Today

    Today: Isolated showers. Mostly sunny, with a high near 88. East wind 11 to 14 mph.

    High: 88 °F

    Isolated
    Showers

  • Tonight

    Tonight: Isolated showers. Partly cloudy, with a low around 77. East wind 8 to 13 mph.

    Low: 77 °F

    Isolated
    Showers

  • Saturday

    Saturday: Scattered showers. Partly sunny, with a high near 88. East wind 11 to 15 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.

    High: 88 °F

    Scattered
    Showers

  • Saturday Night

    Saturday 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 30%.

    Low: 77 °F

    Scattered
    Showers

  • Sunday

    Sunday: Scattered showers and thunderstorms. Partly sunny, with a high near 87. East wind 13 to 16 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.

    High: 87 °F

    Scattered
    Showers

  • Sunday Night

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

    Low: 77 °F

    Chance
    Showers

  • Memorial Day

    Memorial Day: A 40 percent chance of showers. Partly sunny, with a high near 86.

    High: 86 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers. Mostly cloudy, with a low around 77.

    Low: 77 °F

    Chance
    Showers

  • Tuesday

    Tuesday: Showers likely. Mostly cloudy, with a high near 86.

    High: 86 °F

    Showers
    Likely

Detailed Forecast

Today
Isolated showers. Mostly sunny, with a high near 88. East wind 11 to 14 mph.
Tonight
Isolated showers. Partly cloudy, with a low around 77. East wind 8 to 13 mph.
Saturday
Scattered showers. Partly sunny, with a high near 88. East wind 11 to 15 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.
Saturday 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 30%.
Sunday
Scattered showers and thunderstorms. Partly sunny, with a high near 87. East wind 13 to 16 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
Sunday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 77.
Memorial Day
A 40 percent chance of showers. Partly sunny, with a high near 86.
Monday Night
A chance of showers. Mostly cloudy, with a low around 77.
Tuesday
Showers likely. Mostly cloudy, with a high near 86.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 77.
Wednesday
A chance of showers. Partly sunny, with a high near 86.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 78.
Thursday
A chance of showers. Partly sunny, with a high near 86.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Tamuning GU
 13.49°N 144.79°E
Last Update:
6:05 am ChST May 22, 2026
Forecast Valid:
6am ChST May 22, 2026-6pm ChST May 28, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation