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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

ISLAND PARK (IPFI1)

Lat: 44.42051°NLon: 111.36741°WElev: 6337.0ft.

NA

47°F

8°C

Humidity 94%
Wind Speed NNE 3 MPH
Barometer NA
Dewpoint 45°F (7°C)
Visibility NA
Last update 18 Aug 04:54 AM MDT
Extended Forecast for

8 Miles SW Island Park ID

  • Today

    Today: A 20 percent chance of showers and thunderstorms after noon. Sunny, with a high near 84. Light and variable wind becoming south southwest 5 to 10 mph in the morning. Winds could gust as high as 23 mph.

    High: 84 °F

    Sunny then
    Slight Chance
    T-storms

  • Tonight

    Tonight: Mostly clear, with a low around 53. Southwest wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 22 mph.

    Low: 53 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 89. Light and variable wind becoming south southwest 5 to 8 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 89 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 55. South southwest wind 5 to 8 mph becoming calm in the evening.

    Low: 55 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 86. Light and variable wind becoming south southwest 5 to 10 mph in the afternoon. Winds could gust as high as 23 mph.

    High: 86 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after noon. Sunny, with a high near 84. Light and variable wind becoming south southwest 5 to 10 mph in the morning. Winds could gust as high as 23 mph.
Tonight
Mostly clear, with a low around 53. Southwest wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 22 mph.
Tuesday
Sunny, with a high near 89. Light and variable wind becoming south southwest 5 to 8 mph in the afternoon. Winds could gust as high as 18 mph.
Tuesday Night
Mostly clear, with a low around 55. South southwest wind 5 to 8 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 86. Light and variable wind becoming south southwest 5 to 10 mph in the afternoon. Winds could gust as high as 23 mph.
Wednesday Night
Partly cloudy, with a low around 52.
Thursday
Sunny, with a high near 84.
Thursday Night
Mostly clear, with a low around 49.
Friday
Sunny, with a high near 85.
Friday Night
Partly cloudy, with a low around 51.
Saturday
Sunny, with a high near 86.
Saturday Night
Partly cloudy, with a low around 53.
Sunday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 83.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles SW Island Park ID
 44.47°N 111.42°W (Elev. 6496 ft)
Last Update:
1:36 am MDT Aug 18, 2025
Forecast Valid:
5am MDT Aug 18, 2025-6pm MDT Aug 24, 2025
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation