Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

Jerome County Airport (KJER)

Lat: 42.72736°NLon: 114.45469°WElev: 4022.0ft.

Clear

68°F

20°C

Humidity 32%
Wind Speed SSE 4 MPH
Barometer 30.08 in (1018.63 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 19 Aug 03:20 AM MDT
Extended Forecast for

3 Miles S Jerome County Airport ID

Heat Advisory August 20, 12:00pm until August 21, 09:00pm
Click here for hazard details and duration
Heat Advisory
  • Overnight

    Overnight: Clear, with a low around 60. Calm wind.

    Low: 60 °F

    Clear

  • Wednesday

    Wednesday: Mostly sunny and hot, with a high near 91. Calm wind becoming west northwest 5 to 7 mph in the afternoon.

    High: 91 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 62. Calm wind becoming east 5 to 8 mph after midnight.

    Low: 62 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny and hot, with a high near 96. East wind 6 to 10 mph becoming northwest in the afternoon.

    High: 96 °F

    Hot

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 64. West northwest wind 6 to 11 mph becoming east southeast after midnight.

    Low: 64 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny and hot, with a high near 96.

    High: 96 °F

    Hot

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 68.

    Low: 68 °F

    Chance
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 88.

    High: 88 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 62.

    Low: 62 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Clear, with a low around 60. Calm wind.
Wednesday
Mostly sunny and hot, with a high near 91. Calm wind becoming west northwest 5 to 7 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 62. Calm wind becoming east 5 to 8 mph after midnight.
Thursday
Mostly sunny and hot, with a high near 96. East wind 6 to 10 mph becoming northwest in the afternoon.
Thursday Night
Partly cloudy, with a low around 64. West northwest wind 6 to 11 mph becoming east southeast after midnight.
Friday
Mostly sunny and hot, with a high near 96.
Friday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68.
Saturday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 88.
Saturday Night
Mostly cloudy, with a low around 62.
Sunday
Mostly sunny, with a high near 85.
Sunday Night
Partly cloudy, with a low around 60.
Monday
A 20 percent chance of showers. Mostly sunny, with a high near 87.
Monday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 61.
Tuesday
Mostly sunny, with a high near 87.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Jerome County Airport ID
 42.67°N 114.46°W (Elev. 3743 ft)
12:29 am MDT Aug 19, 2026
3am MDT Aug 19, 2026-6pm MDT Aug 25, 2026
 
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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