Super Typhoon Sinlaku to Impact the Marianas and Guam; Severe Weather Threat from the Central Plains to the Great Lakes

Super Typhoon Sinlaku will bring destructive winds, widespread heavy rain/flooding, and thunderstorms to the Marianas Islands into Wednesday. Tropical Storm conditions are likely over Guam. Severe thunderstorms and heavy rain are likely across the Upper Mississippi Valley and Great Lakes region with potential for large to very large hail, damaging wind, and tornadoes through Tuesday. Read More >

Current conditions at

JEFFERSON CREEK (JEFW1)

Lat: 47.5491°NLon: 123.21759°WElev: 2408.0ft.

NA

45°F

7°C

Humidity 93%
Wind Speed ENE 1 MPH
Barometer NA
Dewpoint 43°F (6°C)
Visibility NA
Last update 13 Apr 12:36 PM PDT
Extended Forecast for

10 Miles WNW Liliwaup WA

  • This Afternoon

    This Afternoon: A 40 percent chance of rain, mainly before 4pm.  Mostly cloudy, with a high near 50. West wind around 9 mph.

    High: 50 °F

    Chance Rain

  • Tonight

    Tonight: Rain likely, possibly mixed with snow, mainly between 4am and 5am.  Mostly cloudy, with a low around 39. West wind 7 to 9 mph.  Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 39 °F

    Chance Rain
    then
    Rain/Snow
    Likely

  • Tuesday

    Tuesday: Rain and snow, becoming all rain after 2pm.  Steady temperature around 41. Southwest wind 9 to 14 mph.  Chance of precipitation is 100%. Little or no snow accumulation expected.

    High: 41 °F

    Rain/Snow

  • Tuesday Night

    Tuesday Night: Rain and snow before 11pm, then a chance of snow.  Low around 31. Southwest wind 6 to 14 mph becoming northwest after midnight.  Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    Low: 31 °F

    Rain/Snow
    then Chance
    Snow

  • Wednesday

    Wednesday: A chance of snow before 11am, then snow showers after 11am. Some thunder is also possible.  High near 45. Northwest wind 5 to 8 mph becoming southwest in the morning.  Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    High: 45 °F

    Snow Showers

  • Wednesday Night

    Wednesday Night: Snow likely before 11pm.  Partly cloudy, with a low around 28. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 28 °F

    Snow Likely
    then Mostly
    Clear

  • Thursday

    Thursday: Sunny, with a high near 51.

    High: 51 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 32.

    Low: 32 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 52.

    High: 52 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 40 percent chance of rain, mainly before 4pm. Mostly cloudy, with a high near 50. West wind around 9 mph.
Tonight
Rain likely, possibly mixed with snow, mainly between 4am and 5am. Mostly cloudy, with a low around 39. West wind 7 to 9 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Tuesday
Rain and snow, becoming all rain after 2pm. Steady temperature around 41. Southwest wind 9 to 14 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Tuesday Night
Rain and snow before 11pm, then a chance of snow. Low around 31. Southwest wind 6 to 14 mph becoming northwest after midnight. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Wednesday
A chance of snow before 11am, then snow showers after 11am. Some thunder is also possible. High near 45. Northwest wind 5 to 8 mph becoming southwest in the morning. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Wednesday Night
Snow likely before 11pm. Partly cloudy, with a low around 28. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Thursday
Sunny, with a high near 51.
Thursday Night
Partly cloudy, with a low around 32.
Friday
Mostly sunny, with a high near 52.
Friday Night
Mostly cloudy, with a low around 36.
Saturday
Mostly cloudy, with a high near 55.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 40.
Sunday
Rain likely. Mostly cloudy, with a high near 51.
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles WNW Liliwaup WA
 47.51°N 123.34°W (Elev. 2405 ft)
11:27 am PDT Apr 13, 2026
1pm PDT Apr 13, 2026-6pm PDT Apr 19, 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