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

Excessive Rainfall and Tropical Storm in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce considerable, potentially life-threatening, flooding across the lower Mississippi River Valley and central Great Lakes region through tonight. Tropical Storm Arthur will move northeastward along the Texas coast today and then move inland over southwestern Louisiana by tonight. An outbreak of severe thunderstorms is expected across portions of Illinois and Indiana. Read More >

Current conditions at

McKinley Park, McKinley National Park Airport (PAIN)

Lat: 63.73°NLon: 148.92°WElev: 1719ft.

Partly Cloudy

65°F

18°C

Humidity 39%
Wind Speed N 6 mph
Barometer 30.23 in (1024.7 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 17 Jun 3:56 pm AKDT
Extended Forecast for

Lagoon AK

  • This Afternoon

    This Afternoon: Showers likely and possibly a thunderstorm. Cloudy, with a high near 60. West wind around 5 mph. Chance of precipitation is 70%.

    High: 60 °F

    Showers
    Likely

  • Tonight

    Tonight: Showers and thunderstorms likely before 10pm, then a chance of showers between 10pm and 1am. Cloudy, then gradually becoming partly cloudy, with a low around 45. Northwest wind around 5 mph becoming southwest after midnight. Chance of precipitation is 60%.

    Low: 45 °F

    Showers
    Likely then
    Chance
    Showers

  • Thursday

    Thursday: Isolated showers and thunderstorms after 10am. Mostly sunny, with a high near 63. Southwest wind around 5 mph becoming north in the afternoon. Chance of precipitation is 20%.

    High: 63 °F

    Isolated
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Mostly cloudy, with a low around 47. North wind around 5 mph becoming south after midnight. Chance of precipitation is 50%.

    Low: 47 °F

    Chance
    Showers

  • Juneteenth

    Juneteenth: A chance of showers and thunderstorms between 10am and 4pm, then showers likely and possibly a thunderstorm after 4pm. Partly sunny, with a high near 68. South wind 5 to 10 mph becoming north in the morning. Chance of precipitation is 60%.

    High: 68 °F

    Chance
    T-storms then
    Showers
    Likely

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before 10pm, then a chance of showers. Mostly cloudy, with a low around 49. Chance of precipitation is 70%.

    Low: 49 °F

    Showers
    Likely then
    Chance
    Showers

  • Saturday

    Saturday: A slight chance of showers, then showers likely and possibly a thunderstorm after 10am. Mostly cloudy, with a high near 68. Chance of precipitation is 60%.

    High: 68 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before 10pm, then a chance of showers. Mostly cloudy, with a low around 48.

    Low: 48 °F

    Showers
    Likely

  • Sunday

    Sunday: A slight chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 4pm, then showers and possibly a thunderstorm after 4pm. Mostly cloudy, with a high near 66.

    High: 66 °F

    Chance
    T-storms then
    Showers

Detailed Forecast

This Afternoon
Showers likely and possibly a thunderstorm. Cloudy, with a high near 60. West wind around 5 mph. Chance of precipitation is 70%.
Tonight
Showers and thunderstorms likely before 10pm, then a chance of showers between 10pm and 1am. Cloudy, then gradually becoming partly cloudy, with a low around 45. Northwest wind around 5 mph becoming southwest after midnight. Chance of precipitation is 60%.
Thursday
Isolated showers and thunderstorms after 10am. Mostly sunny, with a high near 63. Southwest wind around 5 mph becoming north in the afternoon. Chance of precipitation is 20%.
Thursday Night
A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Mostly cloudy, with a low around 47. North wind around 5 mph becoming south after midnight. Chance of precipitation is 50%.
Juneteenth
A chance of showers and thunderstorms between 10am and 4pm, then showers likely and possibly a thunderstorm after 4pm. Partly sunny, with a high near 68. South wind 5 to 10 mph becoming north in the morning. Chance of precipitation is 60%.
Friday Night
Showers likely and possibly a thunderstorm before 10pm, then a chance of showers. Mostly cloudy, with a low around 49. Chance of precipitation is 70%.
Saturday
A slight chance of showers, then showers likely and possibly a thunderstorm after 10am. Mostly cloudy, with a high near 68. Chance of precipitation is 60%.
Saturday Night
Showers likely and possibly a thunderstorm before 10pm, then a chance of showers. Mostly cloudy, with a low around 48.
Sunday
A slight chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 4pm, then showers and possibly a thunderstorm after 4pm. Mostly cloudy, with a high near 66.
Sunday Night
Showers and possibly a thunderstorm before 10pm, then a chance of showers. Mostly cloudy, with a low around 46.
Monday
Showers and possibly a thunderstorm. Mostly cloudy, with a high near 62.
Monday Night
Showers and possibly a thunderstorm. Mostly cloudy, with a low around 44.
Tuesday
Showers likely. Mostly cloudy, with a high near 59.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lagoon AK
 63.7°N 149.82°W (Elev. 3294 ft)
Last Update:
3:19 pm AKDT Jun 17, 2026
Forecast Valid:
4pm AKDT Jun 17, 2026-6pm AKDT Jun 23, 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