Heavy Great Lakes Snow through Friday; Watching Potential for Major Winter Storm Late Week into this Weekend

Heavy lake effect snow will continue in the Great Lakes into Wednesday before another storm brings a widespread general snow followed by another round of heavy lake effect snow. A wide-ranging winter storm will produce great swaths of heavy snow, sleet, and treacherous freezing rain from the southern Rockies/Plains and Mid-South starting Friday and shifting toward the East Coast through Sunday. Read More >

Current conditions at

Guam International Airport (PGUM)

Lat: 13.48°NLon: 144.8°EElev: 304ft.

Fair

81°F

27°C

Humidity 82%
Wind Speed E 5 mph
Barometer 29.75 in (1006.6 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 21 Jan 8:54 am ChST
Extended Forecast for

Tamuning GU

  • Today

    Today: Scattered showers and thunderstorms after noon.  Mostly sunny, with a high near 87. East wind 8 to 10 mph.  Chance of precipitation is 30%.

    High: 87 °F

    Scattered
    Showers

  • Tonight

    Tonight: Scattered showers and thunderstorms.  Mostly cloudy, with a low around 76. East wind around 7 mph.  Chance of precipitation is 40%.

    Low: 76 °F

    Scattered
    Showers

  • Thursday

    Thursday: Scattered showers and thunderstorms.  Mostly cloudy, with a high near 86. East southeast wind 7 to 14 mph.  Chance of precipitation is 50%.

    High: 86 °F

    Scattered
    Showers

  • Thursday Night

    Thursday Night: Scattered showers and thunderstorms.  Mostly cloudy, with a low around 76. Southeast wind around 10 mph.  Chance of precipitation is 40%.

    Low: 76 °F

    Scattered
    Showers

  • Friday

    Friday: Partly sunny, with a high near 86. Southeast wind 11 to 15 mph, with gusts as high as 20 mph.

    High: 86 °F

    Partly Sunny

  • Friday Night

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

    Low: 76 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 86.

    High: 86 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 76.

    Low: 76 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 88.

    High: 88 °F

    Partly Sunny

Detailed Forecast

Today
Scattered showers and thunderstorms after noon. Mostly sunny, with a high near 87. East wind 8 to 10 mph. Chance of precipitation is 30%.
Tonight
Scattered showers and thunderstorms. Mostly cloudy, with a low around 76. East wind around 7 mph. Chance of precipitation is 40%.
Thursday
Scattered showers and thunderstorms. Mostly cloudy, with a high near 86. East southeast wind 7 to 14 mph. Chance of precipitation is 50%.
Thursday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 76. Southeast wind around 10 mph. Chance of precipitation is 40%.
Friday
Partly sunny, with a high near 86. Southeast wind 11 to 15 mph, with gusts as high as 20 mph.
Friday Night
Partly cloudy, with a low around 76.
Saturday
Partly sunny, with a high near 86.
Saturday Night
Mostly cloudy, with a low around 76.
Sunday
Partly sunny, with a high near 88.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 76.
Monday
A chance of showers. Partly sunny, with a high near 88.
Monday Night
A chance of showers. Mostly cloudy, with a low around 76.
Tuesday
A chance of showers. Partly sunny, with a high near 86.
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ABOUT THIS FORECAST

 
Point Forecast:
Tamuning GU
 13.49°N 144.79°E
6:06 am ChST Jan 21, 2026
9am ChST Jan 21, 2026-6pm ChST Jan 27, 2026
 
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Additional Resources

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Hourly Weather Forecast

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