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

A Couple of Fast Moving Storms Affecting Areas Along and East of the Rockies

A couple of storm systems will impact travel conditions through the first half of this weekend. Heavy snow from the mountains of the West will move into the upper Midwest and upper Great Lakes through tonight. Record warmth and Gulf moisture along and east of the Mississippi River will fuel severe thunderstorms, heavy rainfall, fog for the Tennessee Valley and deep South on Friday into Saturday. Read More >

Current conditions at

Guam International Airport (PGUM)

Lat: 13.48°NLon: 144.8°EElev: 304ft.

Mostly Cloudy

77°F

25°C

Humidity 79%
Wind Speed NE 7 mph
Barometer 29.86 in (1010.3 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 9 Jan 4:54 am ChST
Extended Forecast for

Sinajana GU

  • Overnight

    Overnight: Scattered showers. Partly cloudy, with a low around 76. Northeast wind around 11 mph. Chance of precipitation is 30%.

    Low: 76 °F

    Scattered
    Showers

  • Friday

    Friday: Scattered showers. Mostly sunny, with a high near 89. Northeast wind 11 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    High: 89 °F

    Scattered
    Showers

  • Friday Night

    Friday Night: Scattered showers. Partly cloudy, with a low around 76. Northeast wind 13 to 18 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.

    Low: 76 °F

    Scattered
    Showers

  • Saturday

    Saturday: Isolated showers. Mostly sunny, with a high near 89. Northeast wind 14 to 21 mph, with gusts as high as 26 mph.

    High: 89 °F

    Isolated
    Showers

  • Saturday Night

    Saturday Night: Isolated showers. Partly cloudy, with a low around 76. Northeast wind 11 to 18 mph, with gusts as high as 24 mph.

    Low: 76 °F

    Isolated
    Showers

  • Sunday

    Sunday: Isolated showers. Mostly sunny, with a high near 89.

    High: 89 °F

    Isolated
    Showers

  • Sunday Night

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

    Low: 76 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny

  • Monday Night

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

    Low: 76 °F

    Partly Cloudy

Detailed Forecast

Overnight
Scattered showers. Partly cloudy, with a low around 76. Northeast wind around 11 mph. Chance of precipitation is 30%.
Friday
Scattered showers. Mostly sunny, with a high near 89. Northeast wind 11 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Friday Night
Scattered showers. Partly cloudy, with a low around 76. Northeast wind 13 to 18 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.
Saturday
Isolated showers. Mostly sunny, with a high near 89. Northeast wind 14 to 21 mph, with gusts as high as 26 mph.
Saturday Night
Isolated showers. Partly cloudy, with a low around 76. Northeast wind 11 to 18 mph, with gusts as high as 24 mph.
Sunday
Isolated showers. Mostly sunny, with a high near 89.
Sunday Night
Partly cloudy, with a low around 76.
Monday
Mostly sunny, with a high near 87.
Monday Night
Partly cloudy, with a low around 76.
Tuesday
Mostly sunny, with a high near 88.
Tuesday Night
Partly cloudy, with a low around 77.
Wednesday
Mostly sunny, with a high near 88.
Wednesday Night
Mostly cloudy, with a low around 77.
Thursday
Mostly sunny, with a high near 89.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sinajana GU
 13.47°N 144.76°E
Last Update:
6:05 pm ChST Jan 8, 2026
Forecast Valid:
5am ChST Jan 9, 2026-6pm ChST Jan 15, 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