Heat Builds in the West; Extremely Critical Fire Weather in the Northwest

A heat wave over the Southwest will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Critical to extremely critical fire weather conditions are forecast from the Northwest and the northern Great Basin this weekend. Particularly Dangerous Situation Red Flag Warnings have been issued. Read More >

Current conditions at

FAIRFIELD (FAFI)

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

NA

63°F

17°C

Humidity 36%
Wind Speed WNW 2 MPH
Barometer NA
Dewpoint 35°F (2°C)
Visibility NA
Last update 31 Jul 11:00 PM MDT
Extended Forecast for

Fairfield ID

  • Overnight

    Overnight: Mostly clear, with a low around 56. West northwest wind 3 to 7 mph.

    Low: 56 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 96. Light and variable wind becoming west southwest 11 to 16 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 96 °F

    Hot

  • Saturday Night

    Saturday Night: Patchy smoke after 8pm. Partly cloudy, with a low around 51. West wind 7 to 15 mph, with gusts as high as 30 mph.

    Low: 51 °F

    Patchy Smoke

  • Sunday

    Sunday: Patchy smoke before 7am. Sunny, with a high near 87. West wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 29 mph.

    High: 87 °F

    Patchy Smoke
    then Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 43. West wind 8 to 18 mph, with gusts as high as 28 mph.

    Low: 43 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Monday Night

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

    Low: 42 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 56. West northwest wind 3 to 7 mph.
Saturday
Sunny and hot, with a high near 96. Light and variable wind becoming west southwest 11 to 16 mph in the afternoon. Winds could gust as high as 30 mph.
Saturday Night
Patchy smoke after 8pm. Partly cloudy, with a low around 51. West wind 7 to 15 mph, with gusts as high as 30 mph.
Sunday
Patchy smoke before 7am. Sunny, with a high near 87. West wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 29 mph.
Sunday Night
Mostly clear, with a low around 43. West wind 8 to 18 mph, with gusts as high as 28 mph.
Monday
Sunny, with a high near 83.
Monday Night
Mostly clear, with a low around 42.
Tuesday
Sunny, with a high near 86.
Tuesday Night
Mostly clear, with a low around 45.
Wednesday
Sunny and hot, with a high near 92.
Wednesday Night
Mostly clear, with a low around 52.
Thursday
Sunny and hot, with a high near 94.
Thursday Night
Mostly clear, with a low around 53.
Friday
Sunny and hot, with a high near 93.
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 Jul 31, 2026
12am MDT Aug 1, 2026-6pm MDT Aug 7, 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