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 >

Current conditions at

Lolo Pass (ITD28)

Lat: 46.63592°NLon: 114.58037°WElev: 5262.0ft.

NA

43°F

6°C

Humidity 89%
Wind Speed ENE 3 MPH
Barometer NA
Dewpoint 40°F (4°C)
Visibility 1.24 mi
Last update 18 Aug 05:30 AM MDT
Extended Forecast for

28 Miles NW Powell ID

  • Today

    Today: A slight chance of rain between 11am and 2pm, then a slight chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 82. Calm wind becoming west southwest around 6 mph in the afternoon.  Chance of precipitation is 20%.

    High: 82 °F

    Slight Chance
    Rain then
    Slight Chance
    T-storms

  • Tonight

    Tonight: Mostly clear, with a low around 56. Calm wind.

    Low: 56 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 87. Calm wind becoming west southwest around 5 mph in the afternoon.

    High: 87 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms before 11pm.  Partly cloudy, with a low around 55. West wind around 5 mph becoming calm  in the evening.

    Low: 55 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 80. Calm wind becoming west around 6 mph in the afternoon.

    High: 80 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 53.

    Low: 53 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

Detailed Forecast

Today
A slight chance of rain between 11am and 2pm, then a slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 82. Calm wind becoming west southwest around 6 mph in the afternoon. Chance of precipitation is 20%.
Tonight
Mostly clear, with a low around 56. Calm wind.
Tuesday
Sunny, with a high near 87. Calm wind becoming west southwest around 5 mph in the afternoon.
Tuesday Night
A 20 percent chance of showers and thunderstorms before 11pm. Partly cloudy, with a low around 55. West wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 80. Calm wind becoming west around 6 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 52.
Thursday
Sunny, with a high near 81.
Thursday Night
Clear, with a low around 53.
Friday
Sunny, with a high near 86.
Friday Night
Mostly clear, with a low around 55.
Saturday
Sunny, with a high near 89.
Saturday Night
Mostly clear, with a low around 58.
Sunday
Sunny, with a high near 86.
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ABOUT THIS FORECAST

 
Point Forecast:
28 Miles NW Powell ID
 46.78°N 115.1°W (Elev. 4398 ft)
2:30 am PDT Aug 18, 2025
4am PDT Aug 18, 2025-6pm PDT Aug 24, 2025
 
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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