Severe Thunderstorms in Portions of the Mississippi Valley and Great Lakes

A few severe thunderstorms with large hail, are expected across parts of the middle and upper Mississippi River Valley tonight through early morning. Snow and a wintry mix overnight in the Upper Midwest into the Great Lakes can cause hazardous travel conditions. Fire weather concerns continue for a large portion of the central and southern High Plains and Four Corners region this evening. Read More >

Current conditions at

Guam International Airport (PGUM)

Lat: 13.48°NLon: 144.8°EElev: 304ft.

A Few Clouds

87°F

31°C

Humidity 65%
Wind Speed E 12 mph
Barometer 29.91 in (1011.9 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index95°F (35°C)
Last update 31 Mar 11:54 am ChST
Extended Forecast for

Santa Rosa GU

  • This Afternoon

    This Afternoon: Isolated showers.  Mostly sunny, with a high near 87. East wind around 14 mph, with gusts as high as 18 mph.

    High: 87 °F

    Isolated
    Showers

  • Tonight

    Tonight: Isolated showers.  Partly cloudy, with a low around 76. East northeast wind around 11 mph.

    Low: 76 °F

    Isolated
    Showers

  • Wednesday

    Wednesday: Isolated showers.  Mostly sunny, with a high near 87. East northeast wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 87 °F

    Isolated
    Showers

  • Wednesday Night

    Wednesday Night: Isolated showers.  Partly cloudy, with a low around 76. East northeast wind 8 to 14 mph.

    Low: 76 °F

    Isolated
    Showers

  • Thursday

    Thursday: Isolated showers.  Mostly sunny, with a high near 88. Northeast wind 9 to 15 mph, with gusts as high as 20 mph.

    High: 88 °F

    Isolated
    Showers

  • Thursday Night

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

    Low: 76 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 87.

    High: 87 °F

    Partly Sunny

  • Friday Night

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

    Low: 76 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Isolated showers. Mostly sunny, with a high near 87. East wind around 14 mph, with gusts as high as 18 mph.
Tonight
Isolated showers. Partly cloudy, with a low around 76. East northeast wind around 11 mph.
Wednesday
Isolated showers. Mostly sunny, with a high near 87. East northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday Night
Isolated showers. Partly cloudy, with a low around 76. East northeast wind 8 to 14 mph.
Thursday
Isolated showers. Mostly sunny, with a high near 88. Northeast wind 9 to 15 mph, with gusts as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 76.
Friday
Partly sunny, with a high near 87.
Friday Night
Mostly cloudy, with a low around 76.
Saturday
Mostly sunny, with a high near 88.
Saturday Night
Partly cloudy, with a low around 76.
Sunday
Mostly sunny, with a high near 88.
Sunday Night
Partly cloudy, with a low around 77.
Monday
Mostly sunny, with a high near 88.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Santa Rosa GU
 13.4°N 144.67°E
12:18 pm ChST Mar 31, 2026
12pm ChST Mar 31, 2026-6pm ChST Apr 6, 2026
 
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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