Major Winter Storm System Will Bring A Variety Of Impacts To The Central, Southern, And Eastern U.S. Through The Weekend

An impactful winter storm will track from the Plains to New England through Sunday, with bitter cold behind it. Heavy snow is likely from the Corn Belt to interior Northeast, with significant ice accumulations in the Ohio Valley and New England. Farther south, heavy rain could lead to flooding in the Tennessee Valley on Saturday, with isolated severe thunderstorms in the lower Mississippi Valley. Read More >

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Current conditions at

Arco (ARC)

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

17°F

-8°C

Humidity	90%
Wind Speed	WNW 13 G 15 MPH
Barometer	NA
Dewpoint	14°F (-10°C)
Visibility	NA
Wind Chill	3°F (-16°C)
Last update	18 Jan 6:35 am MST

More Information:

Local Forecast Office More Local Wx 3 Day History Mobile Weather Hourly Weather Forecast

Extended Forecast for

11 Miles NNW Mackay ID

Today

Slight Chance
Snow then
Partly Sunny
High: 16 °F
Tonight

Chance Snow
and Breezy
Low: 14 °F
Saturday

Chance Snow
and Windy
then Slight
Chance Snow
High: 25 °F
Saturday
Night

Chance Snow
and Breezy
Low: 22 °F
Sunday

Snow and
Breezy
High: 25 °F
Sunday
Night

Snow and
Breezy
Low: 12 °F
M.L.King
Day

Chance Snow
and Blustery
High: 15 °F
Monday
Night

Partly Cloudy
and Blustery
then Mostly
Clear
Low: 4 °F
Tuesday

Mostly Sunny
High: 15 °F

Detailed Forecast

Today

A 20 percent chance of snow before 11am. Partly sunny, with a high near 16. Wind chill values as low as -1. North northwest wind 7 to 16 mph becoming west in the afternoon. Winds could gust as high as 24 mph.

Tonight

A 30 percent chance of snow after 11pm. Mostly cloudy, with a low around 14. Wind chill values as low as -5. Breezy, with a west wind 5 to 10 mph increasing to 19 to 24 mph after midnight. Winds could gust as high as 34 mph. New snow accumulation of less than a half inch possible.

Saturday

A 50 percent chance of snow, mainly before 11am. Mostly cloudy, with a high near 25. Wind chill values as low as -6. Windy, with a west wind 27 to 32 mph decreasing to 20 to 25 mph in the morning. Winds could gust as high as 46 mph. New snow accumulation of less than one inch possible.

Saturday Night

A 40 percent chance of snow. Mostly cloudy, with a low around 22. Breezy, with a west southwest wind 18 to 26 mph, with gusts as high as 37 mph. New snow accumulation of less than one inch possible.

Sunday

Snow. High near 25. Breezy, with a west southwest wind around 25 mph, with gusts as high as 36 mph. Chance of precipitation is 80%. New snow accumulation of 3 to 5 inches possible.

Sunday Night

Snow. Low around 12. Breezy. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

M.L.King Day

A 40 percent chance of snow. Partly sunny, with a high near 15. Blustery. New snow accumulation of less than one inch possible.

Monday Night

Partly cloudy, with a low around 4. Blustery.

Tuesday

Mostly sunny, with a high near 15.

Tuesday Night

A 20 percent chance of snow after 11pm. Mostly cloudy, with a low around 7. Breezy.

Wednesday

A 40 percent chance of snow. Partly sunny, with a high near 16. Windy.