Storms and Heavy Rainfall in the Plains and Southern Appalachians; Hazardous Heat in the South and Southeast

Severe thunderstorms with heavy rainfall will be possible across the southern Appalachians through this evening. Thunderstorms are also expected from the northern/central Plains into portions of the Midwest through Tuesday, and severe storms may produce large hail and damaging wind gusts. Meanwhile, hazardous heat persists across the South and Southeast. Read More >

Current conditions at

FAIRFIELD (FAFI)

Lat: 43.30833°NLon: 114.825°WElev: 5039.0ft.

NA

86°F

30°C

Humidity 21%
Wind Speed WSW 1 MPH
Barometer NA
Dewpoint 42°F (6°C)
Visibility NA
Heat Index83°F (28°C)
Last update 17 Aug 03:00 PM MDT
Extended Forecast for

Fairfield ID

  • Tonight

    Tonight: Mostly cloudy, with a low around 50. West wind 5 to 9 mph becoming light and variable  after midnight.

    Low: 50 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 88. Light and variable wind becoming west 9 to 14 mph in the afternoon. Winds could gust as high as 24 mph.

    High: 88 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 48. West wind 6 to 11 mph becoming light and variable  after midnight. Winds could gust as high as 23 mph.

    Low: 48 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 89. Calm wind becoming southwest 5 to 8 mph in the afternoon.

    High: 89 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 52. West wind 5 to 9 mph becoming north after midnight.

    Low: 52 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny and hot, with a high near 93.

    High: 93 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 56.

    Low: 56 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny and hot, with a high near 93.

    High: 93 °F

    Hot

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 56.

    Low: 56 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 50. West wind 5 to 9 mph becoming light and variable after midnight.
Tuesday
Mostly sunny, with a high near 88. Light and variable wind becoming west 9 to 14 mph in the afternoon. Winds could gust as high as 24 mph.
Tuesday Night
Partly cloudy, with a low around 48. West wind 6 to 11 mph becoming light and variable after midnight. Winds could gust as high as 23 mph.
Wednesday
Sunny, with a high near 89. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 52. West wind 5 to 9 mph becoming north after midnight.
Thursday
Mostly sunny and hot, with a high near 93.
Thursday Night
Mostly cloudy, with a low around 56.
Friday
Mostly sunny and hot, with a high near 93.
Friday Night
Mostly cloudy, with a low around 56.
Saturday
Mostly sunny, with a high near 86.
Saturday Night
A 20 percent chance of showers. Partly cloudy, with a low around 49.
Sunday
Mostly sunny, with a high near 83.
Sunday Night
Mostly clear, with a low around 48.
Monday
Sunny, with a high near 84.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Fairfield ID
 43.34°N 114.8°W (Elev. 5075 ft)
12:29 pm MDT Aug 17, 2026
3pm MDT Aug 17, 2026-6pm MDT Aug 24, 2026
 
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