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

Heavy Rain and Flooding Concerns in Hawaii; Severe Weather in the Plains

A storm system is expected to bring strong winds, widespread heavy rainfall, and flooding concerns to the Hawaiian Islands through the weekend. Strong to severe thunderstorms are forecast from the Southern Plains to the Mid-Missouri Valley this afternoon and evening. Large hail and strong winds are the primary threats. Read More >

Current conditions at

Challis - Challis Airport (KLLJ)

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

Clear

66°F

19°C

Humidity 14%
Wind Speed WSW 5 MPH
Barometer 29.95 in (1014.22 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Last update 09 Apr 05:35 PM MDT
Extended Forecast for

18 Miles NNW Mackay ID

  • Tonight

    Tonight: Mostly cloudy, with a low around 27. West wind 11 to 20 mph becoming south in the evening. Winds could gust as high as 23 mph.

    Low: 27 °F

    Mostly Cloudy

  • Friday

    Friday: A chance of snow between noon and 2pm, then a chance of snow showers after 2pm. Partly sunny, with a high near 40. Breezy, with a south southeast wind 13 to 18 mph increasing to 21 to 26 mph in the afternoon. Winds could gust as high as 34 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 40 °F

    Partly Sunny
    then Chance
    Snow and
    Breezy

  • Friday Night

    Friday Night: A chance of snow showers before midnight, then a chance of snow after midnight. Mostly cloudy, with a low around 26. Breezy, with a south wind 18 to 26 mph, with gusts as high as 33 mph. Chance of precipitation is 50%. New snow accumulation of less than one inch possible.

    Low: 26 °F

    Chance Snow
    Showers and
    Breezy

  • Saturday

    Saturday: A chance of snow before noon, then snow showers after noon. Some thunder is also possible. High near 33. Windy, with a south wind 23 to 33 mph, with gusts as high as 46 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.

    High: 33 °F

    Chance Snow
    and Breezy
    then Snow
    Showers and
    Windy

  • Saturday Night

    Saturday Night: A 40 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 23. Breezy, with a south southwest wind 15 to 25 mph, with gusts as high as 33 mph. New snow accumulation of less than a half inch possible.

    Low: 23 °F

    Chance Snow
    and Breezy

  • Sunday

    Sunday: Snow likely before noon, then snow showers after noon. Some thunder is also possible. High near 28. Windy. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    High: 28 °F

    Snow Likely
    and Breezy
    then Snow
    Showers and
    Windy

  • Sunday Night

    Sunday Night: Snow likely, mainly before midnight. Mostly cloudy, with a low around 19. Chance of precipitation is 70%. New snow accumulation of 2 to 4 inches possible.

    Low: 19 °F

    Snow Likely

  • Monday

    Monday: Snow. High near 24. Chance of precipitation is 80%.

    High: 24 °F

    Snow

  • Monday Night

    Monday Night: A 40 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 18.

    Low: 18 °F

    Chance Snow

Detailed Forecast

Tonight
Mostly cloudy, with a low around 27. West wind 11 to 20 mph becoming south in the evening. Winds could gust as high as 23 mph.
Friday
A chance of snow between noon and 2pm, then a chance of snow showers after 2pm. Partly sunny, with a high near 40. Breezy, with a south southeast wind 13 to 18 mph increasing to 21 to 26 mph in the afternoon. Winds could gust as high as 34 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Friday Night
A chance of snow showers before midnight, then a chance of snow after midnight. Mostly cloudy, with a low around 26. Breezy, with a south wind 18 to 26 mph, with gusts as high as 33 mph. Chance of precipitation is 50%. New snow accumulation of less than one inch possible.
Saturday
A chance of snow before noon, then snow showers after noon. Some thunder is also possible. High near 33. Windy, with a south wind 23 to 33 mph, with gusts as high as 46 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.
Saturday Night
A 40 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 23. Breezy, with a south southwest wind 15 to 25 mph, with gusts as high as 33 mph. New snow accumulation of less than a half inch possible.
Sunday
Snow likely before noon, then snow showers after noon. Some thunder is also possible. High near 28. Windy. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Sunday Night
Snow likely, mainly before midnight. Mostly cloudy, with a low around 19. Chance of precipitation is 70%. New snow accumulation of 2 to 4 inches possible.
Monday
Snow. High near 24. Chance of precipitation is 80%.
Monday Night
A 40 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 18.
Tuesday
A 30 percent chance of snow, mainly after noon. Partly sunny, with a high near 27.
Tuesday Night
Partly cloudy, with a low around 18.
Wednesday
A 40 percent chance of snow. Partly sunny, with a high near 25. Breezy.
Wednesday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 15. Breezy.
Thursday
A 20 percent chance of snow. Mostly sunny, with a high near 23.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
18 Miles NNW Mackay ID
 44.14°N 113.79°W (Elev. 11106 ft)
Last Update:
5:31 pm MDT Apr 9, 2026
Forecast Valid:
5pm MDT Apr 9, 2026-6pm MDT Apr 16, 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