Heavy Rain From the Central Plains to the Mid-Atlantic; Heat Wave Begins This Weekend

Strong to severe thunderstorms and heavy rain will impact portions of the central Plains into the Upper Midwest and the Mid-Atlantic through the weekend. A stretch of unusually hot and humid weather is expected across portions of the central U.S. and the Southeast beginning this weekend and continuing through next week. The heat may reach dangerous levels, particularly mid to late next week. Read More >

Current conditions at

Arco (ARC)

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

NA

71°F

22°C

Humidity 39%
Wind Speed E 10 MPH
Barometer NA
Dewpoint 45°F (7°C)
Visibility NA
Last update 18 Jul 10:20 PM MDT
Extended Forecast for

11 Miles NNW Mackay ID

  • Tonight

    Tonight: Mostly clear, with a low around 44. West southwest wind 10 to 13 mph.

    Low: 44 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 56. Breezy, with a west southwest wind 13 to 18 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 36 mph.

    High: 56 °F

    Mostly Sunny
    then Partly
    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 43. Breezy, with a west wind 17 to 22 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 32 mph.

    Low: 43 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 57. Breezy, with a west southwest wind 10 to 15 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 33 mph.

    High: 57 °F

    Sunny then
    Mostly Sunny
    and Breezy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 45. West northwest wind 16 to 21 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 29 mph.

    Low: 45 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 57. Breezy.

    High: 57 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 41. Breezy.

    Low: 41 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 44. West southwest wind 10 to 13 mph.
Saturday
Mostly sunny, with a high near 56. Breezy, with a west southwest wind 13 to 18 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 36 mph.
Saturday Night
Partly cloudy, with a low around 43. Breezy, with a west wind 17 to 22 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 32 mph.
Sunday
Mostly sunny, with a high near 57. Breezy, with a west southwest wind 10 to 15 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 33 mph.
Sunday Night
Mostly cloudy, with a low around 45. West northwest wind 16 to 21 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 29 mph.
Monday
Mostly sunny, with a high near 57. Breezy.
Monday Night
Partly cloudy, with a low around 41. Breezy.
Tuesday
Sunny, with a high near 57.
Tuesday Night
Mostly clear, with a low around 42.
Wednesday
Sunny, with a high near 58.
Wednesday Night
Mostly clear, with a low around 43.
Thursday
Sunny, with a high near 59.
Thursday Night
Partly cloudy, with a low around 44.
Friday
Mostly sunny, with a high near 59.
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles NNW Mackay ID
 44.06°N 113.68°W (Elev. 11001 ft)
8:03 pm MDT Jul 18, 2025
10pm MDT Jul 18, 2025-6pm MDT Jul 25, 2025
 
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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