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

Pocatello, Pocatello Regional Airport (KPIH)

Lat: 42.92028°NLon: 112.57111°WElev: 4449.0ft.

Clear

88°F

31°C

Humidity 15%
Wind Speed SW 4 MPH
Barometer 30.14 in (1020.66 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 19 Aug 01:20 PM MDT
Extended Forecast for

4 Miles NNW Blackfoot ID

Heat Advisory August 20, 12:00pm until August 20, 10:00pm
Heat Advisory August 21, 12:00pm until August 21, 10:00pm
Click here for hazard details and duration
Heat Advisory
Heat Advisory
  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 86. West southwest wind 3 to 6 mph.

    High: 86 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 53. Light and variable wind becoming south southeast 5 to 7 mph after midnight.

    Low: 53 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 92. Northeast wind around 6 mph becoming west southwest in the afternoon.

    High: 92 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 58. West southwest wind around 6 mph becoming east after midnight.

    Low: 58 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 93. Northeast wind around 6 mph becoming light and variable.

    High: 93 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 60.

    Low: 60 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: A chance of rain before noon, then a slight chance of showers and thunderstorms after noon.  Partly sunny, with a high near 85. Chance of precipitation is 30%.

    High: 85 °F

    Chance Rain
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 55.

    Low: 55 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 86. West southwest wind 3 to 6 mph.
Tonight
Mostly clear, with a low around 53. Light and variable wind becoming south southeast 5 to 7 mph after midnight.
Thursday
Sunny, with a high near 92. Northeast wind around 6 mph becoming west southwest in the afternoon.
Thursday Night
Partly cloudy, with a low around 58. West southwest wind around 6 mph becoming east after midnight.
Friday
Mostly sunny, with a high near 93. Northeast wind around 6 mph becoming light and variable.
Friday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 60.
Saturday
A chance of rain before noon, then a slight chance of showers and thunderstorms after noon. Partly sunny, with a high near 85. Chance of precipitation is 30%.
Saturday Night
A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 55.
Sunday
Mostly sunny, with a high near 84.
Sunday Night
Partly cloudy, with a low around 52.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 83.
Monday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 52.
Tuesday
Mostly sunny, with a high near 85.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW Blackfoot ID
 43.23°N 112.38°W (Elev. 4501 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