Heat Wave Continues in the West; Critical Fire Weather Conditions in the High Plains

An anomalously early heat wave will continue to intensify and expand across the West and Southwest as the week progresses. Numerous daily and potentially monthly record highs are expected to be broken. Critical fire weather conditions will continue over the next couple of days across portions of the High Plains as gusty winds and dry conditions persist. Read More >

Current conditions at

ISLAND PARK (IPFI1)

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

NA

30°F

-1°C

Humidity	87%
Wind Speed	WNW 0 MPH
Barometer	NA
Dewpoint	27°F (-3°C)
Visibility	NA
Last update	18 Mar 01:54 AM MDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

10 Miles SSW Island Park ID

Overnight
Low: 28 °F
Mostly Clear
Wednesday
High: 58 °F
Sunny
Wednesday Night
Low: 30 °F
Mostly Clear
Thursday
High: 62 °F
Sunny
Thursday Night
Low: 35 °F
Partly Cloudy
Friday
High: 64 °F
Mostly Sunny
Friday Night
Low: 37 °F
Partly Cloudy
Saturday
High: 64 °F
Partly Sunny
then Slight
Chance Rain
Saturday Night
Low: 30 °F
Slight Chance
Rain then
Mostly Cloudy

Detailed Forecast

Overnight

Mostly clear, with a low around 28. Calm wind.

Wednesday

Sunny, with a high near 58. Calm wind becoming south southwest 5 to 7 mph in the afternoon.

Wednesday Night

Mostly clear, with a low around 30. West southwest wind around 6 mph becoming calm in the evening.

Thursday

Sunny, with a high near 62. Calm wind becoming southwest 5 to 7 mph in the afternoon.

Thursday Night

Partly cloudy, with a low around 35. West southwest wind around 6 mph becoming calm in the evening.

Friday

Mostly sunny, with a high near 64.

Friday Night

Partly cloudy, with a low around 37.

Saturday

A 20 percent chance of rain after noon. Partly sunny, with a high near 64.

Saturday Night

A 20 percent chance of rain before midnight. Snow level 9600 feet lowering to 7700 feet after midnight . Mostly cloudy, with a low around 30.

Sunday

A 20 percent chance of rain after noon. Snow level 7300 feet. Partly sunny, with a high near 52.

Sunday Night

Partly cloudy, with a low around 28.

Monday

Partly sunny, with a high near 53.

Monday Night

A 20 percent chance of rain. Snow level 7600 feet. Mostly cloudy, with a low around 32.

Tuesday

A 30 percent chance of rain. Snow level 7500 feet rising to 8500 feet in the afternoon. Mostly cloudy, with a high near 56.

Additional Forecasts and Information

Zone Area Forecast for Centennial Mountains/Island Park, ID

Basemap Options

Click map to change the forecast location

Loading map...

ABOUT THIS FORECAST

Point Forecast:

10 Miles SSW Island Park ID
44.42°N 111.45°W (Elev. 6299 ft)

12:31 am MDT Mar 18, 2026

Forecast Valid:

2am MDT Mar 18, 2026-6pm MDT Mar 24, 2026

Forecast Discussion

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