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

Hurricane and Storm Surge Watches Issued for the Northern Gulf Coast for Strengthening Tropical Storm Isaias

Tropical Storm Isaias is forecast to track toward the central Gulf Coast while strengthening into a hurricane on Thursday. There is an increasing risk of damaging hurricane-force winds and life-threatening storm surge impacts along portions of the northern Gulf Coast Friday into Saturday. Isaias will bring heavy rainfall to the central Gulf Coast and much of the Southeast Friday into the weekend. Read More >

Current conditions at

Challis - Challis Airport (KLLJ)

Lat: 44.523°NLon: 114.21611°WElev: 5026.0ft.

Clear

70°F

21°C

Humidity 15%
Wind Speed N 0 MPH
Barometer 30.2 in (1022.69 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Last update 07 Oct 02:20 PM MDT
Extended Forecast for

21 Miles WNW Mackay ID

  • This Afternoon

    This Afternoon: Sunny, with a high near 72. North wind 6 to 8 mph.

    High: 72 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 43. Northwest wind 5 to 8 mph becoming calm in the evening.

    Low: 43 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 71. Calm wind becoming northwest 5 to 8 mph in the afternoon.

    High: 71 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 42. West northwest wind around 6 mph becoming southwest after midnight.

    Low: 42 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 70. Breezy, with a south wind 5 to 10 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 29 mph.

    High: 70 °F

    Sunny then
    Sunny and
    Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 44.

    Low: 44 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of rain after noon. Mostly sunny, with a high near 59. Breezy.

    High: 59 °F

    Mostly Sunny
    then Slight
    Chance Rain
    and Breezy

  • Saturday Night

    Saturday Night: Rain likely, mainly after midnight. Mostly cloudy, with a low around 37. Chance of precipitation is 70%.

    Low: 37 °F

    Chance Rain
    then Rain
    Likely

  • Sunday

    Sunday: Rain likely. Mostly cloudy, with a high near 47. Chance of precipitation is 60%.

    High: 47 °F

    Rain Likely

Detailed Forecast

This Afternoon
Sunny, with a high near 72. North wind 6 to 8 mph.
Tonight
Mostly clear, with a low around 43. Northwest wind 5 to 8 mph becoming calm in the evening.
Thursday
Sunny, with a high near 71. Calm wind becoming northwest 5 to 8 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 42. West northwest wind around 6 mph becoming southwest after midnight.
Friday
Sunny, with a high near 70. Breezy, with a south wind 5 to 10 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 29 mph.
Friday Night
Partly cloudy, with a low around 44.
Saturday
A 20 percent chance of rain after noon. Mostly sunny, with a high near 59. Breezy.
Saturday Night
Rain likely, mainly after midnight. Mostly cloudy, with a low around 37. Chance of precipitation is 70%.
Sunday
Rain likely. Mostly cloudy, with a high near 47. Chance of precipitation is 60%.
Sunday Night
Rain likely before 9pm, then rain and snow likely. Mostly cloudy, with a low around 32. Chance of precipitation is 70%.
Columbus Day
A chance of rain and snow. Partly sunny, with a high near 47. Chance of precipitation is 40%.
Monday Night
A chance of rain and snow. Partly cloudy, with a low around 32. Chance of precipitation is 30%.
Tuesday
A chance of rain and snow. Partly sunny, with a high near 51. Chance of precipitation is 40%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
21 Miles WNW Mackay ID
 44.05°N 113.98°W (Elev. 6788 ft)
Last Update:
12:31 pm MDT Oct 7, 2026
Forecast Valid:
2pm MDT Oct 7, 2026-6pm MDT Oct 13, 2026
 
Forecast Discussion
 
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Additional Resources

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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