Excessive Rainfall and Significant Flooding in the Upper Midwest This Weekend
Heavy to excessive rainfall is expected over the weekend across eastern Iowa, northern Missouri, northwest Illinois and southern Wisconsin. Numerous flash floods, some with significant impacts, are expected in these areas. Heaviest rainfall will occur overnight Saturday and Sunday, so be sure to have multiple ways to receive warnings. Read More >
Current conditions at
Arco (ARC)
Lat: 43.62455°NLon: 113.2971°WElev: 5290.0ft.NA
56°F
13°C
| Humidity | 42% |
| Wind Speed | NW 3 MPH |
| Barometer | NA |
| Dewpoint | 34°F (1°C) |
| Visibility | NA |
| Last update | 09 Aug 08:35 AM MDT |
Extended Forecast for
5 Miles ESE Mackay ID
Today
High: 77 °F
Mostly Sunny
Tonight
Low: 47 °F
Mostly Clear
Sunday
High: 82 °F
Sunny
Sunday Night
Low: 51 °F
Mostly Clear
Monday
High: 86 °F
Sunny
Monday Night
Low: 54 °F
Mostly Clear
Tuesday
High: 88 °F
Sunny
Tuesday Night
Low: 54 °F
Mostly Clear
Wednesday
High: 87 °F
Sunny
Detailed Forecast
Today
Mostly sunny, with a high near 77. Calm wind becoming northwest 5 to 7 mph in the afternoon.
Tonight
Mostly clear, with a low around 47. West northwest wind 6 to 8 mph becoming north in the evening.
Sunday
Sunny, with a high near 82. Northwest wind 5 to 8 mph becoming calm.
Sunday Night
Mostly clear, with a low around 51. North northwest wind 7 to 9 mph.
Monday
Sunny, with a high near 86. North northwest wind 5 to 8 mph becoming calm.
Monday Night
Mostly clear, with a low around 54.
Tuesday
Sunny, with a high near 88.
Tuesday Night
Mostly clear, with a low around 54.
Wednesday
Sunny, with a high near 87.
Wednesday Night
Mostly clear, with a low around 53.
Thursday
Sunny, with a high near 83.
Thursday Night
Mostly clear, with a low around 49.
Friday
Sunny, with a high near 82.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
5 Miles ESE Mackay ID
43.86°N 113.52°W (Elev. 5801 ft)
43.86°N 113.52°W (Elev. 5801 ft)
5:31 am MDT Aug 9, 2025
8am MDT Aug 9, 2025-6pm MDT Aug 15, 2025
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
