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

Gem Valley (ITDC3)

Lat: 42.64943°NLon: 111.82603°WElev: 5523.0ft.

NA

85°F

29°C

Humidity 18%
Wind Speed NW 3 MPH
Barometer NA
Dewpoint 37°F (3°C)
Visibility 1.24 mi
Heat Index82°F (28°C)
Last update 19 Aug 01:30 PM MDT
Extended Forecast for

6 Miles ESE Mccammon ID

Heat Advisory August 21, 12:00pm until August 21, 10:00pm
Click here for hazard details and duration
Heat Advisory
  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 89. Northwest wind 6 to 8 mph, with gusts as high as 18 mph.

    High: 89 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 54. Northwest wind 5 to 7 mph becoming light and variable.

    Low: 54 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 95. East wind 5 to 8 mph becoming west southwest in the afternoon. Winds could gust as high as 18 mph.

    High: 95 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 58. West southwest wind around 6 mph becoming light and variable.

    Low: 58 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny and hot, with a high near 96. East wind 5 to 7 mph becoming west southwest in the afternoon.

    High: 96 °F

    Hot

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms after midnight.  Mostly cloudy, with a low around 61.

    Low: 61 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: A slight chance of rain, then a chance of showers and thunderstorms after noon.  Mostly cloudy, with a high near 87. Chance of precipitation is 50%.

    High: 87 °F

    Slight Chance
    Rain then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before midnight, then a slight chance of rain after midnight.  Mostly cloudy, with a low around 55. Chance of precipitation is 40%.

    Low: 55 °F

    Chance
    Showers

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 89. Northwest wind 6 to 8 mph, with gusts as high as 18 mph.
Tonight
Mostly clear, with a low around 54. Northwest wind 5 to 7 mph becoming light and variable.
Thursday
Sunny, with a high near 95. East wind 5 to 8 mph becoming west southwest in the afternoon. Winds could gust as high as 18 mph.
Thursday Night
Partly cloudy, with a low around 58. West southwest wind around 6 mph becoming light and variable.
Friday
Mostly sunny and hot, with a high near 96. East wind 5 to 7 mph becoming west southwest in the afternoon.
Friday Night
A 40 percent chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 61.
Saturday
A slight chance of rain, then a chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 87. Chance of precipitation is 50%.
Saturday Night
A chance of showers and thunderstorms before midnight, then a slight chance of rain after midnight. Mostly cloudy, with a low around 55. Chance of precipitation is 40%.
Sunday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 85.
Sunday Night
A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 52.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84.
Monday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 52.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles ESE Mccammon ID
 42.62°N 112.1°W (Elev. 5000 ft)
1:11 pm MDT Aug 19, 2026
1pm 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