Watching Hurricane Erin; Heavy Rainfall Threat for Upper Midwest; Heatrisk for Mississippi Valley

Hurricane Erin continues to track westward with its outer bands bringing heavy rainfall and gusty winds for Puerto Rico and US Virgin Islands. Life-threatening surf and rip currents are occurring and will spread across the Atlantic coasts this week. Meanwhile, heavy rainfall and possible flooding are in the forecast for upper Midwest through Monday. Heatrisk continues for the Mississippi Valley. Read More >

Current conditions at

Challis - Challis Airport (KLLJ)

Lat: 44.523° N Lon: 114.21611° W Elev: 5026.0 ft.

Partly Cloudy

73°F

23°C

Humidity 46%
Wind Speed N 0 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 17 Aug 07:20 PM MDT
Detailed forecast for

Frank Church Wilderness

Tonight
Partly cloudy. A slight chance of showers and thunderstorms in the evening. Some thunderstorms may produce gusty winds in the evening. Lows 45 to 55.
Monday
Sunny. A slight chance of showers and thunderstorms in the afternoon. Warmer. Highs 76 to 86.
Monday Night
Mostly clear. Lows 48 to 58.
Tuesday
Sunny. Highs 81 to 91.
Tuesday Night
Mostly clear. Lows 51 to 61.
Wednesday And Wednesday Night
Mostly clear. Highs 79 to 89. Lows 45 to 55.
Thursday And Thursday Night
Clear. Highs 77 to 87. Lows 45 to 55.
Friday And Friday Night
Mostly clear. Highs 80 to 90. Lows 49 to 59.
Saturday
Sunny with a slight chance of showers and thunderstorms. Highs 80 to 90.
Saturday Night
Partly cloudy. Lows 49 to 59.
Sunday
Mostly sunny with a chance of rain showers and a slight chance of thunderstorms. Highs 75 to 85.



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134 PM MDT Sun Aug 17 2025
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database