National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Watching Hurricane Erin; Heavy Rainfall Threat for Upper Midwest; Heatrisk for Mississippi Valley

Hurricane Erin continues to track westward with its outer bands bringing heavy rainfall and gusty winds for Puerto Rico and US Virgin Islands. Life-threatening surf and rip currents are occurring and will spread across the Atlantic coasts this week. Meanwhile, heavy rainfall and possible flooding are in the forecast for upper Midwest through Monday. Heatrisk continues for the Mississippi Valley. Read More >

Hazardous Weather Conditions

Current conditions at

Smiths Ferry (ITD36)

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

Rain

53°F

12°C

Humidity 100%
Wind Speed W 3 MPH
Barometer NA
Dewpoint 53°F (12°C)
Visibility 1.24 mi
Last update 17 Aug 08:45 AM MDT
Extended Forecast for

5 Miles S Cascade ID

Flash Flood Watch August 17, 03:00pm until August 18, 12:00am
Click here for hazard details and duration
Flash Flood Watch

  • Today

    Today: Scattered showers and thunderstorms before noon. Partly sunny, with a high near 82. Calm wind. Chance of precipitation is 30%.

    High: 82 °F

    Scattered
    Showers then
    Mostly Sunny

  • Tonight

    Tonight: Isolated showers and thunderstorms after midnight. Partly cloudy, with a low around 50. Calm wind. Chance of precipitation is 20%.

    Low: 50 °F

    Mostly Clear
    then Isolated
    T-storms

  • Monday

    Monday: Sunny, with a high near 88. Light south southeast wind.

    High: 88 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 53. Light and variable wind.

    Low: 53 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 93. Light east southeast wind.

    High: 93 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 90.

    High: 90 °F

    Hot

  • Wednesday Night

    Wednesday Night: Clear, with a low around 49.

    Low: 49 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

Detailed Forecast

Today
Scattered showers and thunderstorms before noon. Partly sunny, with a high near 82. Calm wind. Chance of precipitation is 30%.
Tonight
Isolated showers and thunderstorms after midnight. Partly cloudy, with a low around 50. Calm wind. Chance of precipitation is 20%.
Monday
Sunny, with a high near 88. Light south southeast wind.
Monday Night
Mostly clear, with a low around 53. Light and variable wind.
Tuesday
Sunny and hot, with a high near 93. Light east southeast wind.
Tuesday Night
Mostly clear, with a low around 53.
Wednesday
Sunny and hot, with a high near 90.
Wednesday Night
Clear, with a low around 49.
Thursday
Sunny, with a high near 88.
Thursday Night
Mostly clear, with a low around 50.
Friday
Sunny and hot, with a high near 93.
Friday Night
Mostly clear, with a low around 53.
Saturday
Sunny and hot, with a high near 92.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles S Cascade ID
 44.44°N 116.03°W (Elev. 4777 ft)
Last Update:
8:04 am MDT Aug 17, 2025
Forecast Valid:
9am MDT Aug 17, 2025-6pm MDT Aug 23, 2025
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation