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

Risks of Severe Thunderstorms and Excessive Rainfall; Fire Weather Concerns and Record Warmth

Severe thunderstorms and flash flooding risks increase across the center of the nation today. Meanwhile, ongoing thunderstorms and flash flooding will linger along the Gulf Coast states through the evening. The Great Basin and Intermountain West, warm temperatures and dry fuels with dry lightning may enhance fire weather potential. In addition, across interior Alaska, Red Flag Warning are posted. Read More >

Hazardous Weather Conditions

Current conditions at

Challis - Challis Airport (KLLJ)

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

Overcast

68°F

20°C

Humidity 42%
Wind Speed W 14 MPH
Barometer 29.9 in (1012.53 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 20 Jun 03:20 PM MDT
Extended Forecast for

12 Miles NNW Mackay ID

Red Flag Warning June 20, 03:44pm until June 20, 09:00pm
Click here for hazard details and duration
Red Flag Warning
  •  
    Red Flag Warning June 20, 03:44pm until June 20, 09:00pm

    NOW until 9:00pm Sat

    Red Flag Warning

  • This Afternoon

    High: 47 °F

    Showers

  • Tonight

    Tonight: Rain and possibly a thunderstorm before 10pm, then a slight chance of rain between 10pm and 11pm. Snow level 12100 feet lowering to 11000 feet after midnight . Low around 34. Northwest wind 15 to 20 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 80%.

    Low: 34 °F

    Rain then
    Mostly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 50. West wind 9 to 15 mph, with gusts as high as 21 mph.

    High: 50 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 34. West northwest wind 14 to 17 mph, with gusts as high as 22 mph.

    Low: 34 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 52. West wind 14 to 16 mph, with gusts as high as 23 mph.

    High: 52 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 35.

    Low: 35 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Showers and possibly a thunderstorm. Snow level 12100 feet. High near 47. West wind 14 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.
Tonight
Rain and possibly a thunderstorm before 10pm, then a slight chance of rain between 10pm and 11pm. Snow level 12100 feet lowering to 11000 feet after midnight . Low around 34. Northwest wind 15 to 20 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 80%.
Sunday
Sunny, with a high near 50. West wind 9 to 15 mph, with gusts as high as 21 mph.
Sunday Night
Mostly clear, with a low around 34. West northwest wind 14 to 17 mph, with gusts as high as 22 mph.
Monday
Sunny, with a high near 52. West wind 14 to 16 mph, with gusts as high as 23 mph.
Monday Night
Clear, with a low around 35.
Tuesday
Sunny, with a high near 56.
Tuesday Night
Mostly clear, with a low around 41.
Wednesday
Sunny, with a high near 57.
Wednesday Night
Partly cloudy, with a low around 41.
Thursday
Sunny, with a high near 57.
Thursday Night
Partly cloudy, with a low around 41. Breezy.
Friday
Mostly sunny, with a high near 56. Breezy.
Friday Night
Partly cloudy, with a low around 38. Windy.
Saturday
A chance of rain and snow. Some thunder is also possible. Partly sunny, with a high near 47. Breezy. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
12 Miles NNW Mackay ID
 44.06°N 113.68°W (Elev. 11001 ft)
Last Update:
12:31 pm MDT Jun 20, 2026
Forecast Valid:
3pm MDT Jun 20, 2026-6pm MDT Jun 27, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation