Sinlaku Continues to Impact the Marianas; Severe Weather from the Central US to the Northeast; Late-Season Snow in the Northwest

Sinlaku continues to bring destructive winds, widespread heavy rain/flooding, and storm surge to the Marianas. Showers and severe thunderstorms are expected from the Northeast to the Mid-Mississippi Valley and to the Central/Southern Plains through Thursday. A front will produce late-season snowfall over the Cascades and Northern Rockies and coastal rain over the Northwest Coast through Thursday. Read More >

Current conditions at

UPPER SAND WASH (USWU1)

Lat: 39.70819°NLon: 109.441°WElev: 6469.0ft.

NA

33°F

1°C

Humidity 88%
Wind Speed SSW 7 MPH
Barometer NA
Dewpoint 30°F (-1°C)
Visibility NA
Wind Chill27°F (-3°C)
Last update 15 Apr 02:27 AM MDT
Extended Forecast for

24 Miles S Bonanza UT

  • Overnight

    Overnight: Partly cloudy, with a low around 32. South wind around 10 mph.

    Low: 32 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 55. Breezy, with a southwest wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 55 °F

    Sunny then
    Mostly Sunny
    and Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 42. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 42 °F

    Partly Cloudy
    and Breezy

  • Thursday

    Thursday: A 20 percent chance of showers after 3pm.  Mostly sunny, with a high near 58. Windy, with a south southwest wind 20 to 25 mph increasing to 25 to 30 mph in the afternoon. Winds could gust as high as 50 mph.

    High: 58 °F

    Windy. Mostly
    Sunny then
    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of rain and snow showers before midnight, then snow showers likely.  Mostly cloudy, with a low around 28. Windy, with a south southwest wind 25 to 30 mph becoming northwest 15 to 20 mph after midnight. Winds could gust as high as 45 mph.  Chance of precipitation is 60%.

    Low: 28 °F

    Rain/Snow
    Likely and
    Windy

  • Friday

    Friday: A 50 percent chance of snow showers.  Partly sunny, with a high near 35. Breezy.

    High: 35 °F

    Chance Snow
    Showers and
    Breezy

  • Friday Night

    Friday Night: A 20 percent chance of snow showers before midnight.  Partly cloudy, with a low around 22.

    Low: 22 °F

    Slight Chance
    Snow Showers
    then Mostly
    Clear

  • Saturday

    Saturday: Sunny, with a high near 46.

    High: 46 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 30.

    Low: 30 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 32. South wind around 10 mph.
Wednesday
Mostly sunny, with a high near 55. Breezy, with a southwest wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Wednesday Night
Partly cloudy, with a low around 42. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph.
Thursday
A 20 percent chance of showers after 3pm. Mostly sunny, with a high near 58. Windy, with a south southwest wind 20 to 25 mph increasing to 25 to 30 mph in the afternoon. Winds could gust as high as 50 mph.
Thursday Night
A chance of rain and snow showers before midnight, then snow showers likely. Mostly cloudy, with a low around 28. Windy, with a south southwest wind 25 to 30 mph becoming northwest 15 to 20 mph after midnight. Winds could gust as high as 45 mph. Chance of precipitation is 60%.
Friday
A 50 percent chance of snow showers. Partly sunny, with a high near 35. Breezy.
Friday Night
A 20 percent chance of snow showers before midnight. Partly cloudy, with a low around 22.
Saturday
Sunny, with a high near 46.
Saturday Night
Mostly clear, with a low around 30.
Sunday
Sunny, with a high near 57.
Sunday Night
Partly cloudy, with a low around 40.
Monday
Sunny, with a high near 64. Breezy.
Monday Night
Mostly clear, with a low around 45.
Tuesday
Sunny, with a high near 66. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
24 Miles S Bonanza UT
 39.69°N 109.16°W (Elev. 7221 ft)
1:57 am MDT Apr 15, 2026
2am MDT Apr 15, 2026-6pm MDT Apr 21, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database