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

JOHNSON RIDGE (SKKW1)

Lat: 47.79992°NLon: 121.286°WElev: 2028.0ft.

NA

44°F

7°C

Humidity 100%
Wind Speed SSW 2 MPH
Barometer NA
Dewpoint 44°F (7°C)
Visibility NA
Last update 13 Apr 04:29 AM PDT
Extended Forecast for

Index WA

  • Overnight

    Overnight: Rain.  Low around 43. Light west wind.  Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 43 °F

    Rain

  • Monday

    Monday: Rain, mainly after 5pm.  High near 47. West southwest wind 3 to 5 mph.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 47 °F

    Rain

  • Monday Night

    Monday Night: Rain before 5am, then rain likely, possibly mixed with snow.  Low around 39. Light west northwest wind.  Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 39 °F

    Rain then
    Rain/Snow
    Likely

  • Tuesday

    Tuesday: Rain, possibly mixed with snow, becoming all rain after 8am.  High near 44. Light and variable wind becoming south southwest 5 to 7 mph in the morning.  Chance of precipitation is 100%. Little or no snow accumulation expected.

    High: 44 °F

    Rain/Snow
    then Rain

  • Tuesday Night

    Tuesday Night: Rain.  Low around 33. South southwest wind 3 to 7 mph.  Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    Low: 33 °F

    Rain

  • Wednesday

    Wednesday: Rain, mainly before 2pm, then showers and possibly a thunderstorm after 2pm.  High near 45. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 45 °F

    Showers

  • Wednesday Night

    Wednesday Night: Rain, mainly before 11pm.  Low around 33. Chance of precipitation is 80%.

    Low: 33 °F

    Rain then
    Chance Rain

  • Thursday

    Thursday: A chance of rain.  Partly sunny, with a high near 48.

    High: 48 °F

    Chance Rain

  • Thursday Night

    Thursday Night: A slight chance of rain.  Partly cloudy, with a low around 34.

    Low: 34 °F

    Slight Chance
    Rain

Detailed Forecast

Overnight
Rain. Low around 43. Light west wind. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Rain, mainly after 5pm. High near 47. West southwest wind 3 to 5 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
Rain before 5am, then rain likely, possibly mixed with snow. Low around 39. Light west northwest wind. Chance of precipitation is 90%. Little or no snow accumulation expected.
Tuesday
Rain, possibly mixed with snow, becoming all rain after 8am. High near 44. Light and variable wind becoming south southwest 5 to 7 mph in the morning. Chance of precipitation is 100%. Little or no snow accumulation expected.
Tuesday Night
Rain. Low around 33. South southwest wind 3 to 7 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Wednesday
Rain, mainly before 2pm, then showers and possibly a thunderstorm after 2pm. High near 45. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Rain, mainly before 11pm. Low around 33. Chance of precipitation is 80%.
Thursday
A chance of rain. Partly sunny, with a high near 48.
Thursday Night
A slight chance of rain. Partly cloudy, with a low around 34.
Friday
A slight chance of rain. Partly sunny, with a high near 50.
Friday Night
Partly cloudy, with a low around 36.
Saturday
A slight chance of rain. Partly sunny, with a high near 58.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 42.
Sunday
Rain likely. Mostly cloudy, with a high near 56.
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ABOUT THIS FORECAST

 
Point Forecast:
Index WA
 47.81°N 121.59°W (Elev. 715 ft)
11:27 pm PDT Apr 12, 2026
5am PDT Apr 13, 2026-6pm PDT Apr 19, 2026
 
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Additional Resources

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