Rare Southern U.S. Winter Storm; Dangerous Cold Weather For Much of the Eastern U.S.; Critical Fire Weather for Southern California

A rare winter storm impacting the Southern U.S. will move offshore Wednesday morning. Behind the storm, arctic air will continue encompassing the eastern two-thirds of the Nation with only a slow return to normal temperatures expected by the end of the week. Moderate to strong Santa Ana winds and low humidity will maintain Critical fire weather conditions in southern California into Thursday. Read More >

Current conditions at

Arco (ARC)

Lat: 43.62455°NLon: 113.2971°WElev: 5290.0ft.

NA

2°F

-17°C

Humidity 70%
Wind Speed S 2 MPH
Barometer NA
Dewpoint -5°F (-21°C)
Visibility NA
Last update 22 Jan 09:35 AM MST
Extended Forecast for

14 Miles NNW Mackay ID

  • Today

    Today: Mostly sunny and cold, with a high near 6. Wind chill values as low as -24. Northwest wind 14 to 21 mph, with gusts as high as 31 mph.

    High: 6 °F

    Cold

  • Tonight

    Tonight: Mostly clear, with a low around -3. Wind chill values as low as -21. West wind 11 to 15 mph, with gusts as high as 23 mph.

    Low: -3 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 19. Wind chill values as low as -17. West wind 7 to 10 mph.

    High: 19 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 6. Wind chill values as low as -8. West wind 9 to 15 mph, with gusts as high as 21 mph.

    Low: 6 °F

    Mostly Cloudy

  • Friday

    Friday: A 30 percent chance of snow showers, mainly after 11am.  Partly sunny, with a high near 12. West wind around 15 mph, with gusts as high as 22 mph.  New snow accumulation of less than a half inch possible.

    High: 12 °F

    Chance Snow
    Showers

  • Friday Night

    Friday Night: A 50 percent chance of snow showers.  Mostly cloudy, with a low around -7. New snow accumulation of around an inch possible.

    Low: -7 °F

    Chance Snow
    Showers

  • Saturday

    Saturday: Mostly sunny and cold, with a high near 3.

    High: 3 °F

    Cold

  • Saturday Night

    Saturday Night: Mostly clear, with a low around -10.

    Low: -10 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and cold, with a high near 10.

    High: 10 °F

    Cold

Detailed Forecast

Today
Mostly sunny and cold, with a high near 6. Wind chill values as low as -24. Northwest wind 14 to 21 mph, with gusts as high as 31 mph.
Tonight
Mostly clear, with a low around -3. Wind chill values as low as -21. West wind 11 to 15 mph, with gusts as high as 23 mph.
Thursday
Mostly sunny, with a high near 19. Wind chill values as low as -17. West wind 7 to 10 mph.
Thursday Night
Mostly cloudy, with a low around 6. Wind chill values as low as -8. West wind 9 to 15 mph, with gusts as high as 21 mph.
Friday
A 30 percent chance of snow showers, mainly after 11am. Partly sunny, with a high near 12. West wind around 15 mph, with gusts as high as 22 mph. New snow accumulation of less than a half inch possible.
Friday Night
A 50 percent chance of snow showers. Mostly cloudy, with a low around -7. New snow accumulation of around an inch possible.
Saturday
Mostly sunny and cold, with a high near 3.
Saturday Night
Mostly clear, with a low around -10.
Sunday
Sunny and cold, with a high near 10.
Sunday Night
Mostly clear, with a low around 1.
Monday
Sunny, with a high near 21.
Monday Night
Mostly clear, with a low around 9.
Tuesday
Sunny, with a high near 25.
Click Map For Forecast

ABOUT THIS FORECAST

 
Point Forecast:
14 Miles NNW Mackay ID
 44.11°N 113.66°W (Elev. 10600 ft)
4:31 am MST Jan 22, 2025
9am MST Jan 22, 2025-6pm MST Jan 28, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database