Severe Thunderstorms in the Midwest and Arizona; Heat Continues in the Southeast and Southwest

Thunderstorms, some severe, may lead to scattered instances of flash flooding across the Midwest and Ohio Valley and southern Arizona. The threat will shift to the Mid-Atlantic coast on Thursday. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

Franklin (ITD04)

Lat: 42.01175°NLon: 111.80631°WElev: 4508.0ft.

NA

92°F

33°C

Humidity 17%
Wind Speed NW 2 MPH
Barometer NA
Dewpoint 41°F (5°C)
Visibility 1.24 mi
Heat Index88°F (31°C)
Last update 19 Aug 05:00 PM MDT
Extended Forecast for

11 Miles NNW Preston ID

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

    Tonight: Mostly clear, with a low around 56. North northwest wind 5 to 9 mph becoming calm  after midnight.

    Low: 56 °F

    Mostly Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 95. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 95 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 59. West southwest wind 5 to 8 mph becoming calm  after midnight.

    Low: 59 °F

    Decreasing
    Clouds

  • Friday

    Friday: Mostly sunny and hot, with a high near 96. Light and variable wind becoming south southwest 5 to 10 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 96 °F

    Hot

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms after midnight.  Mostly cloudy, with a low around 60. South wind 5 to 10 mph becoming light and variable  after midnight.

    Low: 60 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: A slight chance of rain, then a chance of showers and thunderstorms after noon.  Partly sunny, with a high near 88. Chance of precipitation is 30%.

    High: 88 °F

    Slight Chance
    Rain then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 56.

    Low: 56 °F

    Chance
    Showers then
    Mostly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 87.

    High: 87 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 54.

    Low: 54 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 56. North northwest wind 5 to 9 mph becoming calm after midnight.
Thursday
Increasing clouds, with a high near 95. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 18 mph.
Thursday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 59. West southwest wind 5 to 8 mph becoming calm after midnight.
Friday
Mostly sunny and hot, with a high near 96. Light and variable wind becoming south southwest 5 to 10 mph in the afternoon. Winds could gust as high as 18 mph.
Friday Night
A 30 percent chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 60. South wind 5 to 10 mph becoming light and variable after midnight.
Saturday
A slight chance of rain, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 88. Chance of precipitation is 30%.
Saturday Night
A 30 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 56.
Sunday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 87.
Sunday Night
A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 54.
Monday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 86.
Monday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 54.
Tuesday
Mostly sunny, with a high near 87.
Tuesday Night
Partly cloudy, with a low around 54.
Wednesday
Mostly sunny, with a high near 87.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles NNW Preston ID
 42.22°N 111.97°W (Elev. 4797 ft)
1:11 pm MDT Aug 19, 2026
5pm MDT Aug 19, 2026-6pm MDT Aug 26, 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