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

Smiths Ferry (ITD36)

Lat: 44.30107°NLon: 116.08926°WElev: 4603.0ft.

NA

68°F

20°C

Humidity 44%
Wind Speed W 2 MPH
Barometer NA
Dewpoint 45°F (7°C)
Visibility 1.24 mi
Last update 18 Aug 08:30 PM MDT
Extended Forecast for

25 Miles E Cascade ID

  • Tonight

    Tonight: Mostly clear, with a low around 48. West northwest wind 5 to 9 mph becoming southeast after midnight.

    Low: 48 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 73. West wind 6 to 13 mph.

    High: 73 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 50. West wind 5 to 8 mph becoming east after midnight.

    Low: 50 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 78. East wind 8 to 15 mph becoming west southwest in the afternoon.

    High: 78 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 55. West southwest wind 5 to 14 mph becoming east after midnight.

    Low: 55 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 54.

    Low: 54 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after noon.  Partly sunny, with a high near 69.

    High: 69 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 20 percent chance of showers before midnight.  Mostly clear, with a low around 48.

    Low: 48 °F

    Slight Chance
    Showers then
    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 48. West northwest wind 5 to 9 mph becoming southeast after midnight.
Wednesday
Sunny, with a high near 73. West wind 6 to 13 mph.
Wednesday Night
Mostly clear, with a low around 50. West wind 5 to 8 mph becoming east after midnight.
Thursday
Sunny, with a high near 78. East wind 8 to 15 mph becoming west southwest in the afternoon.
Thursday Night
Partly cloudy, with a low around 55. West southwest wind 5 to 14 mph becoming east after midnight.
Friday
Mostly sunny, with a high near 77.
Friday Night
Mostly cloudy, with a low around 54.
Saturday
A 20 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 69.
Saturday Night
A 20 percent chance of showers before midnight. Mostly clear, with a low around 48.
Sunday
Sunny, with a high near 67.
Sunday Night
Mostly clear, with a low around 47.
Monday
Sunny, with a high near 71.
Monday Night
Partly cloudy, with a low around 49.
Tuesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 70.
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ABOUT THIS FORECAST

 
Point Forecast:
25 Miles E Cascade ID
 44.54°N 115.54°W (Elev. 8012 ft)
12:29 pm MDT Aug 18, 2026
8pm MDT Aug 18, 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