Lake-effect Snow and Whiteout Conditions in the Great Lakes Region; Below-average Temperatures in the East

Heavy lake-effect and lake-enhanced snow will persist downwind of the Great Lakes and produce some whiteout conditions that could cause difficult travel conditions. A coastal low will produce moderate to heavy snow over parts of southern and eastern New England into the afternoon. Below average temperatures are expected across the eastern U.S., particularly with chilly morning temperatures. Read More >

Current conditions at

Guam International Airport (PGUM)

Lat: 13.48°NLon: 144.8°EElev: 304ft.

A Few Clouds

77°F

25°C

Humidity 88%
Wind Speed E 3 mph
Barometer 29.73 in (1005.8 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 20 Jan 2:54 am ChST
Extended Forecast for

Santa Rita GU

  • Overnight

    Overnight: Isolated showers.  Partly cloudy, with a low around 74. East wind around 5 mph.

    Low: 74 °F

    Isolated
    Showers

  • Tuesday

    Tuesday: Isolated showers.  Mostly sunny, with a high near 85. East wind 6 to 8 mph.

    High: 85 °F

    Isolated
    Showers

  • Tuesday Night

    Tuesday Night: Isolated showers.  Partly cloudy, with a low around 77. East wind around 7 mph.

    Low: 77 °F

    Isolated
    Showers

  • Wednesday

    Wednesday: Scattered showers and thunderstorms.  Mostly cloudy, with a high near 87. East wind 7 to 10 mph.  Chance of precipitation is 50%.

    High: 87 °F

    Scattered
    Showers

  • Wednesday Night

    Wednesday Night: Scattered showers and thunderstorms.  Mostly cloudy, with a low around 77. East wind 6 to 8 mph.  Chance of precipitation is 50%.

    Low: 77 °F

    Scattered
    Showers

  • Thursday

    Thursday: Scattered showers and thunderstorms.  Mostly cloudy, with a high near 87. Chance of precipitation is 50%.

    High: 87 °F

    Scattered
    Showers

  • Thursday Night

    Thursday Night: A 50 percent chance of showers.  Mostly cloudy, with a low around 77.

    Low: 77 °F

    Chance
    Showers

  • Friday

    Friday: A chance of showers.  Partly sunny, with a high near 86.

    High: 86 °F

    Chance
    Showers

  • Friday Night

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

    Low: 77 °F

    Chance
    Showers

Detailed Forecast

Overnight
Isolated showers. Partly cloudy, with a low around 74. East wind around 5 mph.
Tuesday
Isolated showers. Mostly sunny, with a high near 85. East wind 6 to 8 mph.
Tuesday Night
Isolated showers. Partly cloudy, with a low around 77. East wind around 7 mph.
Wednesday
Scattered showers and thunderstorms. Mostly cloudy, with a high near 87. East wind 7 to 10 mph. Chance of precipitation is 50%.
Wednesday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 77. East wind 6 to 8 mph. Chance of precipitation is 50%.
Thursday
Scattered showers and thunderstorms. Mostly cloudy, with a high near 87. Chance of precipitation is 50%.
Thursday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 77.
Friday
A chance of showers. Partly sunny, with a high near 86.
Friday Night
A chance of showers. Mostly cloudy, with a low around 77.
Saturday
A chance of showers. Partly sunny, with a high near 85.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 77.
Sunday
A chance of showers. Partly sunny, with a high near 87.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 77.
Monday
A chance of showers. Partly sunny, with a high near 86.
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ABOUT THIS FORECAST

 
Point Forecast:
Santa Rita GU
 13.38°N 144.67°E
6:06 pm ChST Jan 19, 2026
3am ChST Jan 20, 2026-6pm ChST Jan 26, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database