Dangerous Fire Conditions in the Southern High Plains; Severe Weather from the Great Lakes into Central/Southern Plains; Late-Season Mountain Snow

Dry and windy conditions will produce dangerous fire weather conditions across the southern High Plains into the Southwest. Severe storms, including very large hail, strong tornadoes, and winds, are expected from the Great Lakes into the central/southern Plains. Heavy late-season snow and cold temperatures are expected in the northern to central Rockies. Heat is spreading across the eastern U.S.. Read More >

Current conditions at

Challis - Challis Airport (KLLJ)

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

Mostly Cloudy

36°F

2°C

Humidity 51%
Wind Speed NNE 4 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 18 May 05:35 AM MDT
Extended Forecast for

Challis ID

  • Today

    Today: Sunny, with a high near 58. Northwest wind 5 to 13 mph becoming north northeast in the afternoon. Winds could gust as high as 21 mph.

    High: 58 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 32. North northeast wind 5 to 8 mph becoming calm  in the evening.

    Low: 32 °F

    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, with a high near 65. Calm wind becoming west around 5 mph in the afternoon.

    High: 65 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 36. West wind 5 to 7 mph becoming calm  after midnight.

    Low: 36 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 68. Calm wind becoming west around 6 mph in the afternoon.

    High: 68 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight.  Mostly cloudy, with a low around 38. Chance of precipitation is 20%.

    Low: 38 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 58. Northwest wind 5 to 13 mph becoming north northeast in the afternoon. Winds could gust as high as 21 mph.
Tonight
Mostly clear, with a low around 32. North northeast wind 5 to 8 mph becoming calm in the evening.
Tuesday
Partly sunny, with a high near 65. Calm wind becoming west around 5 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 36. West wind 5 to 7 mph becoming calm after midnight.
Wednesday
Mostly sunny, with a high near 68. Calm wind becoming west around 6 mph in the afternoon.
Wednesday Night
A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Mostly cloudy, with a low around 38. Chance of precipitation is 20%.
Thursday
Mostly sunny, with a high near 70.
Thursday Night
Partly cloudy, with a low around 40.
Friday
Mostly sunny, with a high near 74.
Friday Night
Partly cloudy, with a low around 41.
Saturday
Mostly sunny, with a high near 79.
Saturday Night
Partly cloudy, with a low around 43.
Sunday
Sunny, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
Challis ID
 44.51°N 114.22°W (Elev. 5151 ft)
5:30 am MDT May 18, 2026
5am MDT May 18, 2026-6pm MDT May 24, 2026
 
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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