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

82°F

28°C

Humidity 24%
Wind Speed WSW 3 MPH
Barometer 30.14 in (1020.66 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 19 Aug 12:35 PM MDT
Extended Forecast for

4 Miles SSE Jerome County Airport ID

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

    This Afternoon: Sunny and hot, with a high near 91. Calm wind becoming west northwest around 5 mph.

    High: 91 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 60. Calm wind becoming east northeast 5 to 9 mph after midnight.

    Low: 60 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 96. East northeast wind 5 to 10 mph becoming light and variable  in the afternoon.

    High: 96 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 64. Light and variable wind becoming east northeast 5 to 7 mph after midnight.

    Low: 64 °F

    Mostly Cloudy

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 4pm.  Mostly sunny and hot, with a high near 96. East wind 5 to 7 mph.

    High: 96 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 10pm.  Mostly cloudy, with a low around 71. Chance of precipitation is 20%.

    Low: 71 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny and hot, with a high near 91.

    High: 91 °F

    Hot

  • Saturday Night

    Saturday Night: A 20 percent chance of showers before midnight.  Mostly cloudy, with a low around 62.

    Low: 62 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 91. Calm wind becoming west northwest around 5 mph.
Tonight
Mostly clear, with a low around 60. Calm wind becoming east northeast 5 to 9 mph after midnight.
Thursday
Sunny and hot, with a high near 96. East northeast wind 5 to 10 mph becoming light and variable in the afternoon.
Thursday Night
Mostly cloudy, with a low around 64. Light and variable wind becoming east northeast 5 to 7 mph after midnight.
Friday
A 20 percent chance of showers and thunderstorms after 4pm. Mostly sunny and hot, with a high near 96. East wind 5 to 7 mph.
Friday Night
A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 10pm. Mostly cloudy, with a low around 71. Chance of precipitation is 20%.
Saturday
Partly sunny and hot, with a high near 91.
Saturday Night
A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 62.
Sunday
Mostly sunny, with a high near 85.
Sunday Night
Partly cloudy, with a low around 58.
Monday
Mostly sunny, with a high near 87.
Monday Night
Mostly cloudy, with a low around 60.
Tuesday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 88.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSE Jerome County Airport ID
 42.68°N 114.43°W (Elev. 3819 ft)
12:32 pm MDT Aug 19, 2026
12pm 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