Coastal and Marine Impacts from Imelda and Humberto as Both Track Away from the Southeast U.S.

Swells and high surf from both Imelda and Humberto are expected to bring dangerous marine and rip current conditions to the east coast of Florida and Georgia today, spreading north along much of the east coast of the U.S. this week. Heavy rainfall north and west of Imelda falling across coastal Florida and Georgia into the Carolinas could cause isolated flash and urban flooding through Tuesday. Read More >

Current conditions at

Challis - Challis Airport (KLLJ)

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

Overcast

65°F

18°C

Humidity 52%
Wind Speed N 11 MPH
Barometer 29.97 in (1014.9 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 29 Sep 05:55 PM MDT
Extended Forecast for

11 Miles NNW Mackay ID

  • Tonight

    Tonight: Rain showers likely before 3am, then rain and snow showers. Some thunder is also possible.  Snow level 12300 feet lowering to 10800 feet after midnight . Low around 35. South wind 13 to 17 mph becoming west southwest after midnight. Winds could gust as high as 23 mph.  Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 35 °F

    Scattered
    T-storms then
    Rain/Snow

  • Tuesday

    Tuesday: A 50 percent chance of snow showers after 5pm.  Partly sunny, with a high near 38. South wind 11 to 16 mph, with gusts as high as 24 mph.  Little or no snow accumulation expected.

    High: 38 °F

    Chance Snow
    Showers

  • Tuesday Night

    Tuesday Night: A 20 percent chance of snow showers.  Mostly cloudy, with a low around 32. South wind 13 to 16 mph, with gusts as high as 23 mph.

    Low: 32 °F

    Slight Chance
    Snow Showers

  • Wednesday

    Wednesday: A 30 percent chance of snow showers, mainly after noon.  Partly sunny, with a high near 35. South southwest wind 13 to 18 mph, with gusts as high as 26 mph.  Little or no snow accumulation expected.

    High: 35 °F

    Chance Snow
    Showers

  • Wednesday Night

    Wednesday Night: A 40 percent chance of snow showers.  Mostly cloudy, with a low around 32. South southwest wind 11 to 16 mph, with gusts as high as 23 mph.  New snow accumulation of less than a half inch possible.

    Low: 32 °F

    Chance Snow
    Showers

  • Thursday

    Thursday: A 40 percent chance of snow showers.  Partly sunny, with a high near 36. New snow accumulation of less than one inch possible.

    High: 36 °F

    Chance Snow
    Showers

  • Thursday Night

    Thursday Night: A 40 percent chance of snow showers.  Mostly cloudy, with a low around 28. New snow accumulation of less than a half inch possible.

    Low: 28 °F

    Chance Snow
    Showers

  • Friday

    Friday: A 30 percent chance of snow showers.  Partly sunny, with a high near 33.

    High: 33 °F

    Chance Snow
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 27.

    Low: 27 °F

    Partly Cloudy

Detailed Forecast

Tonight
Rain showers likely before 3am, then rain and snow showers. Some thunder is also possible. Snow level 12300 feet lowering to 10800 feet after midnight . Low around 35. South wind 13 to 17 mph becoming west southwest after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Tuesday
A 50 percent chance of snow showers after 5pm. Partly sunny, with a high near 38. South wind 11 to 16 mph, with gusts as high as 24 mph. Little or no snow accumulation expected.
Tuesday Night
A 20 percent chance of snow showers. Mostly cloudy, with a low around 32. South wind 13 to 16 mph, with gusts as high as 23 mph.
Wednesday
A 30 percent chance of snow showers, mainly after noon. Partly sunny, with a high near 35. South southwest wind 13 to 18 mph, with gusts as high as 26 mph. Little or no snow accumulation expected.
Wednesday Night
A 40 percent chance of snow showers. Mostly cloudy, with a low around 32. South southwest wind 11 to 16 mph, with gusts as high as 23 mph. New snow accumulation of less than a half inch possible.
Thursday
A 40 percent chance of snow showers. Partly sunny, with a high near 36. New snow accumulation of less than one inch possible.
Thursday Night
A 40 percent chance of snow showers. Mostly cloudy, with a low around 28. New snow accumulation of less than a half inch possible.
Friday
A 30 percent chance of snow showers. Partly sunny, with a high near 33.
Friday Night
Partly cloudy, with a low around 27.
Saturday
Mostly sunny, with a high near 34.
Saturday Night
A 20 percent chance of snow showers. Partly cloudy, with a low around 23.
Sunday
A 30 percent chance of snow showers. Partly sunny, with a high near 28.
Sunday Night
A 30 percent chance of snow showers. Mostly cloudy, with a low around 22.
Monday
A 30 percent chance of snow showers. Partly sunny, with a high near 28.
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles NNW Mackay ID
 44.06°N 113.71°W (Elev. 10755 ft)
5:31 pm MDT Sep 29, 2025
6pm MDT Sep 29, 2025-6pm MDT Oct 6, 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