Thunderstorms and Heavy Rainfall in the Mid-Atlantic and Southern New England; Fire Weather Concerns in the West

Heavy rain and isolated severe thunderstorms may continue to bring flash and urban flooding to the northern Mid-Atlantic and southern New England through tonight. Isolated dry thunderstorms will continue to bring a fire weather threat to the northwestern Great Basin through Friday. Read More >

Current conditions at

Arco (ARC)

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

NA

54°F

12°C

Humidity 58%
Wind Speed NNW 8 MPH
Barometer NA
Dewpoint 40°F (4°C)
Visibility NA
Last update 01 Aug 04:05 AM MDT
Extended Forecast for

3 Miles SW Arco ID

Red Flag Warning August 1, 02:00pm until August 1, 10:00pm
Click here for hazard details and duration
Red Flag Warning
  • Today

    Today: A 20 percent chance of showers and thunderstorms after 3pm.  Mostly sunny, with a high near 85. Breezy, with a west northwest wind 6 to 11 mph becoming west southwest 18 to 23 mph in the morning. Winds could gust as high as 32 mph.

    High: 85 °F

    Sunny then
    Slight Chance
    T-storms and
    Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 52. West southwest wind 16 to 21 mph becoming north northwest 7 to 12 mph after midnight. Winds could gust as high as 30 mph.

    Low: 52 °F

    Mostly Clear

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 85. North northwest wind 6 to 13 mph becoming southwest in the afternoon. Winds could gust as high as 21 mph.

    High: 85 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight.  Partly cloudy, with a low around 50. North northwest wind 7 to 14 mph, with gusts as high as 22 mph.  Chance of precipitation is 20%.

    Low: 50 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Sunday

    Sunday: A slight chance of showers between noon and 3pm, then a slight chance of showers and thunderstorms after 3pm.  Sunny, with a high near 85. North northwest wind 5 to 10 mph becoming south in the afternoon.  Chance of precipitation is 20%.

    High: 85 °F

    Sunny then
    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

  • Monday

    Monday: A 20 percent chance of showers after noon.  Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 85. Breezy, with a west northwest wind 6 to 11 mph becoming west southwest 18 to 23 mph in the morning. Winds could gust as high as 32 mph.
Tonight
Mostly clear, with a low around 52. West southwest wind 16 to 21 mph becoming north northwest 7 to 12 mph after midnight. Winds could gust as high as 30 mph.
Saturday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 85. North northwest wind 6 to 13 mph becoming southwest in the afternoon. Winds could gust as high as 21 mph.
Saturday Night
A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Partly cloudy, with a low around 50. North northwest wind 7 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Sunday
A slight chance of showers between noon and 3pm, then a slight chance of showers and thunderstorms after 3pm. Sunny, with a high near 85. North northwest wind 5 to 10 mph becoming south in the afternoon. Chance of precipitation is 20%.
Sunday Night
Partly cloudy, with a low around 52.
Monday
A 20 percent chance of showers after noon. Mostly sunny, with a high near 83.
Monday Night
Partly cloudy, with a low around 46.
Tuesday
Mostly sunny, with a high near 83.
Tuesday Night
Mostly clear, with a low around 51.
Wednesday
Sunny, with a high near 88.
Wednesday Night
Partly cloudy, with a low around 51.
Thursday
Mostly sunny, with a high near 86.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Arco ID
 43.6°N 113.32°W (Elev. 5322 ft)
2:01 am MDT Aug 1, 2025
4am MDT Aug 1, 2025-6pm MDT Aug 7, 2025
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database