Severe Weather Threats Across the Plains; Dangerous Heat and Wildfire Concerns for the West; Watching the Tropics

Severe thunderstorms are expected across the Central Plains accompanied by damaging wind gusts and large hail. In addition, heavy rainfall may lead to instances of flash flooding from the Plains and mid-Atlantic regions. The heavy rainfall threat continues across Florida and across the northern Gulf as we monitor a tropical disturbance tracking westward. Critical fire weather for the Great Basin. Read More >

Current conditions at

Arco (ARC)

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

NA

76°F

24°C

Humidity 32%
Wind Speed ESE 1 MPH
Barometer NA
Dewpoint 44°F (7°C)
Visibility NA
Heat Index77°F (25°C)
Last update 15 Jul 10:05 AM MDT
Extended Forecast for

3 Miles W Lost River ID

Red Flag Warning July 15, 12:00pm until July 15, 09:00pm
Click here for hazard details and duration
Red Flag Warning
  • Today

    Today: A 20 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 81. Breezy, with a southwest wind 9 to 14 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 31 mph.

    High: 81 °F

    Sunny then
    Slight Chance
    T-storms and
    Breezy

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 9pm.  Partly cloudy, with a low around 46. Breezy, with a northwest wind 17 to 22 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 29 mph.

    Low: 46 °F

    Slight Chance
    T-storms and
    Breezy then
    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 76. Light and variable wind becoming south southwest 6 to 11 mph in the afternoon.

    High: 76 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 48. Southwest wind 6 to 11 mph becoming northwest after midnight. Winds could gust as high as 18 mph.

    Low: 48 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 81. West southwest wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 24 mph.

    High: 81 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 81. Breezy, with a southwest wind 9 to 14 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 31 mph.
Tonight
A 20 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 46. Breezy, with a northwest wind 17 to 22 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 29 mph.
Wednesday
Sunny, with a high near 76. Light and variable wind becoming south southwest 6 to 11 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 48. Southwest wind 6 to 11 mph becoming northwest after midnight. Winds could gust as high as 18 mph.
Thursday
Sunny, with a high near 81. West southwest wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 24 mph.
Thursday Night
Mostly clear, with a low around 51.
Friday
Mostly sunny, with a high near 81.
Friday Night
Mostly clear, with a low around 51.
Saturday
Sunny, with a high near 81.
Saturday Night
Mostly clear, with a low around 51.
Sunday
Sunny, with a high near 78. Breezy.
Sunday Night
Partly cloudy, with a low around 50.
Monday
Sunny, with a high near 78. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Lost River ID
 43.72°N 113.61°W (Elev. 7149 ft)
5:31 am MDT Jul 15, 2025
10am MDT Jul 15, 2025-6pm MDT Jul 21, 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