Winter Storm System To Bring Widespread Impacts Across the Eastern Half of the U.S. Through Midweek

A developing winter storm system will bring a swath of heavy snow and ice from Oklahoma into the Midwest, Ohio Valley, Mid Atlantic, and the Northeast U.S. Tuesday through Wednesday. Areas of dangerous travel are likely. Further South, several inches of heavy rain will lead to the potential for flooding in the lower Mississippi and Tennessee River Valleys. Read More >

Current conditions at

Arco (ARC)

Lat: 43.62455°NLon: 113.2971°WElev: 5290ft.

NA

15°F

-9°C

Humidity 85%
Wind Speed ENE 3 G 4 MPH
Barometer NA
Dewpoint 11°F (-12°C)
Visibility NA
Last update 18 Feb 7:35 pm MST
Extended Forecast for

12 Miles NNW Mackay ID

  • Tonight

    Tonight: A 40 percent chance of snow showers before 11pm.  Mostly cloudy, with a low around -14. Wind chill values as low as -31. Northwest wind around 9 mph.  Total nighttime snow accumulation of less than one inch possible.

    Chance Snow
    Showers then
    Partly Cloudy

    Low: -14 °F

  • Tuesday

    Tuesday: Sunny and cold, with a high near 3. Wind chill values as low as -32. North wind 9 to 11 mph.

    Cold

    High: 3 °F

  • Tuesday
    Night

    Tuesday Night: Snow likely, mainly after 11pm.  Increasing clouds, with a low around -3. Wind chill values as low as -19. Northwest wind 7 to 10 mph.  Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

    Snow Likely

    Low: -3 °F

  • Wednesday

    Wednesday: Snow likely.  Cloudy and cold, with a high near 6. Wind chill values as low as -19. Southwest wind 7 to 9 mph.  Chance of precipitation is 70%. New snow accumulation of 3 to 5 inches possible.

    Snow Likely

    High: 6 °F

  • Wednesday
    Night

    Wednesday Night: Snow likely.  Mostly cloudy, with a low around -3. South southwest wind around 8 mph.  Chance of precipitation is 70%. New snow accumulation of 2 to 4 inches possible.

    Snow Likely

    Low: -3 °F

  • Thursday

    Thursday: A 40 percent chance of snow.  Mostly cloudy and cold, with a high near 6. Blustery.  New snow accumulation of less than one inch possible.

    Chance Snow
    and Blustery

    High: 6 °F

  • Thursday
    Night

    Thursday Night: Mostly cloudy, with a low around -7.

    Mostly Cloudy

    Low: -7 °F

  • Friday

    Friday: Sunny and cold, with a high near 7.

    Cold

    High: 7 °F

  • Friday
    Night

    Friday Night: A 20 percent chance of snow.  Mostly cloudy, with a low around -3.

    Slight Chance
    Snow

    Low: -3 °F

Detailed Forecast

Tonight
A 40 percent chance of snow showers before 11pm. Mostly cloudy, with a low around -14. Wind chill values as low as -31. Northwest wind around 9 mph. Total nighttime snow accumulation of less than one inch possible.
Tuesday
Sunny and cold, with a high near 3. Wind chill values as low as -32. North wind 9 to 11 mph.
Tuesday Night
Snow likely, mainly after 11pm. Increasing clouds, with a low around -3. Wind chill values as low as -19. Northwest wind 7 to 10 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.
Wednesday
Snow likely. Cloudy and cold, with a high near 6. Wind chill values as low as -19. Southwest wind 7 to 9 mph. Chance of precipitation is 70%. New snow accumulation of 3 to 5 inches possible.
Wednesday Night
Snow likely. Mostly cloudy, with a low around -3. South southwest wind around 8 mph. Chance of precipitation is 70%. New snow accumulation of 2 to 4 inches possible.
Thursday
A 40 percent chance of snow. Mostly cloudy and cold, with a high near 6. Blustery. New snow accumulation of less than one inch possible.
Thursday Night
Mostly cloudy, with a low around -7.
Friday
Sunny and cold, with a high near 7.
Friday Night
A 20 percent chance of snow. Mostly cloudy, with a low around -3.
Saturday
A 50 percent chance of snow. Mostly cloudy and cold, with a high near 8.
Saturday Night
A 40 percent chance of snow. Mostly cloudy, with a low around -3.
Sunday
A 50 percent chance of snow. Mostly cloudy and cold, with a high near 9.
Sunday Night
A 30 percent chance of snow. Mostly cloudy, with a low around -5.
Monday
A 40 percent chance of snow. Mostly cloudy and cold, with a high near 6.
Click Map For Forecast
Point Forecast:
12 Miles NNW Mackay ID
 44.06°N 113.68°W (Elev. 11001 ft)
2:19 pm MST Feb 18, 2019
7pm MST Feb 18, 2019-6pm MST Feb 25, 2019
 
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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