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

Heavy Rainfall to Bring Flooding Threat to California; Heavy Snow in the Sierra

A strong atmospheric river will bring heavy rainfall to California through the holiday week. The heaviest rainfall is expected on Wednesday in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall is expected in the Sierra Nevada from the atmospheric river, raising concerns for major snow‐load impacts. Travel may be difficult to impossible over the passes. Read More >

Hazardous Weather Conditions

Current conditions at

Bolinder Field-Tooele Valley Airport (KTVY)

Lat: 40.61269°NLon: 112.35362°WElev: 4291.0ft.

Clear

57°F

14°C

Humidity 38%
Wind Speed S 31 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 24 Dec 02:55 AM MST
Extended Forecast for

8 Miles W Grantsville UT

Wind Advisory December 24, 11:00am until December 26, 05:00pm
Click here for hazard details and duration
Wind Advisory

  • Overnight

    Overnight: Mostly cloudy, with a steady temperature around 49. Windy, with a south southwest wind around 30 mph, with gusts as high as 41 mph.

    Low: 49 °F

    Mostly Cloudy
    and Windy

  • Wednesday

    Wednesday: A 40 percent chance of rain after 11am. Mostly cloudy, with a high near 51. Windy, with a south wind 26 to 30 mph, with gusts as high as 41 mph.

    High: 51 °F

    Chance Rain
    and Windy

  • Wednesday Night

    Wednesday Night: Rain, mainly before 2am. Low around 41. Windy, with a south wind around 30 mph, with gusts as high as 44 mph. Chance of precipitation is 80%.

    Low: 41 °F

    Rain and
    Windy

  • Christmas Day

    Christmas Day: Rain likely before 8am, then rain and snow likely. Mostly cloudy, with a high near 44. Windy, with a south wind around 30 mph, with gusts as high as 43 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

    High: 44 °F

    Rain/Snow
    Likely and
    Windy

  • Thursday Night

    Thursday Night: A chance of rain and snow before 8pm, then a chance of snow. Mostly cloudy, with a low around 38. Breezy, with a south wind 23 to 29 mph, with gusts as high as 40 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 38 °F

    Breezy.
    Chance
    Rain/Snow
    then Chance
    Snow

  • Friday

    Friday: Snow, mainly between 11am and 2pm, then snow showers after 2pm. Some thunder is also possible. High near 41. Breezy. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 41 °F

    Snow and
    Breezy

  • Friday Night

    Friday Night: Snow showers before 8pm, then snow, mainly between 8pm and 11pm. Some thunder is also possible. Low around 28. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    Low: 28 °F

    Snow Showers
    then Chance
    Snow

  • Saturday

    Saturday: A chance of snow, mainly before 11am. Partly sunny, with a high near 32.

    High: 32 °F

    Chance Snow

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 23.

    Low: 23 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a steady temperature around 49. Windy, with a south southwest wind around 30 mph, with gusts as high as 41 mph.
Wednesday
A 40 percent chance of rain after 11am. Mostly cloudy, with a high near 51. Windy, with a south wind 26 to 30 mph, with gusts as high as 41 mph.
Wednesday Night
Rain, mainly before 2am. Low around 41. Windy, with a south wind around 30 mph, with gusts as high as 44 mph. Chance of precipitation is 80%.
Christmas Day
Rain likely before 8am, then rain and snow likely. Mostly cloudy, with a high near 44. Windy, with a south wind around 30 mph, with gusts as high as 43 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Thursday Night
A chance of rain and snow before 8pm, then a chance of snow. Mostly cloudy, with a low around 38. Breezy, with a south wind 23 to 29 mph, with gusts as high as 40 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Friday
Snow, mainly between 11am and 2pm, then snow showers after 2pm. Some thunder is also possible. High near 41. Breezy. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Friday Night
Snow showers before 8pm, then snow, mainly between 8pm and 11pm. Some thunder is also possible. Low around 28. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Saturday
A chance of snow, mainly before 11am. Partly sunny, with a high near 32.
Saturday Night
Partly cloudy, with a low around 23.
Sunday
Sunny, with a high near 27.
Sunday Night
Mostly clear, with a low around 22.
Monday
Sunny, with a high near 30.
Monday Night
Partly cloudy, with a low around 23.
Tuesday
Sunny, with a high near 32.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
8 Miles W Grantsville UT
 40.59°N 112.6°W (Elev. 7490 ft)
Last Update:
2:03 am MST Dec 24, 2025
Forecast Valid:
3am MST Dec 24, 2025-6pm MST Dec 30, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation