Severe Thunderstorms and Heavy Rain in the Mississippi Valley; Fire Weather Concerns in the Southern High Plains

Severe thunderstorms and the threat for excessive rainfall will move into the mid-Mississippi and lower Ohio Valleys today. There is potential for a few strong tornadoes, damaging wind gusts, large hail, and scattered flash flooding. Low humidity and windy conditions will continue to produce elevated to critical fire weather conditions across the southern High Plains into midweek. Read More >

Current conditions at

Challis - Challis Airport (KLLJ)

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

Overcast

43°F

6°C

Humidity 48%
Wind Speed N 4 MPH
Barometer 29.91 in (1012.87 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 27 Apr 01:05 PM MDT
Extended Forecast for

13 Miles NNW Mackay ID

  • This Afternoon

    This Afternoon: Scattered snow showers. Some thunder is also possible.  Partly sunny, with a high near 23. West northwest wind around 14 mph, with gusts as high as 22 mph.  Chance of precipitation is 50%. Total daytime snow accumulation of 1 to 2 inches possible.

    High: 23 °F

    Scattered
    Snow Showers

  • Tonight

    Tonight: Scattered snow showers, mainly before 8pm.  Mostly cloudy, with a low around 12. Wind chill values as low as zero. North northwest wind 10 to 14 mph, with gusts as high as 22 mph.  Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    Low: 12 °F

    Scattered
    Snow Showers
    then Partly
    Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of snow showers after 3pm.  Mostly sunny, with a high near 28. Wind chill values as low as -1. Northwest wind 10 to 14 mph, with gusts as high as 22 mph.

    High: 28 °F

    Sunny then
    Slight Chance
    Snow Showers

  • Tuesday Night

    Tuesday Night: A 20 percent chance of snow showers before midnight.  Mostly cloudy, with a low around 19. West northwest wind 10 to 14 mph, with gusts as high as 22 mph.

    Low: 19 °F

    Slight Chance
    Snow Showers
    then Mostly
    Cloudy

  • Wednesday

    Wednesday: A 40 percent chance of snow showers after noon.  Partly sunny, with a high near 30. West northwest wind 8 to 11 mph, with gusts as high as 18 mph.  New snow accumulation of less than a half inch possible.

    High: 30 °F

    Partly Sunny
    then Chance
    Snow Showers

  • Wednesday Night

    Wednesday Night: A 20 percent chance of snow showers before midnight.  Partly cloudy, with a low around 20.

    Low: 20 °F

    Slight Chance
    Snow Showers
    then Partly
    Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 36.

    High: 36 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 23.

    Low: 23 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 40.

    High: 40 °F

    Sunny

Detailed Forecast

This Afternoon
Scattered snow showers. Some thunder is also possible. Partly sunny, with a high near 23. West northwest wind around 14 mph, with gusts as high as 22 mph. Chance of precipitation is 50%. Total daytime snow accumulation of 1 to 2 inches possible.
Tonight
Scattered snow showers, mainly before 8pm. Mostly cloudy, with a low around 12. Wind chill values as low as zero. North northwest wind 10 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Tuesday
A 20 percent chance of snow showers after 3pm. Mostly sunny, with a high near 28. Wind chill values as low as -1. Northwest wind 10 to 14 mph, with gusts as high as 22 mph.
Tuesday Night
A 20 percent chance of snow showers before midnight. Mostly cloudy, with a low around 19. West northwest wind 10 to 14 mph, with gusts as high as 22 mph.
Wednesday
A 40 percent chance of snow showers after noon. Partly sunny, with a high near 30. West northwest wind 8 to 11 mph, with gusts as high as 18 mph. New snow accumulation of less than a half inch possible.
Wednesday Night
A 20 percent chance of snow showers before midnight. Partly cloudy, with a low around 20.
Thursday
Mostly sunny, with a high near 36.
Thursday Night
Partly cloudy, with a low around 23.
Friday
Sunny, with a high near 40.
Friday Night
Partly cloudy, with a low around 28.
Saturday
Mostly sunny, with a high near 43.
Saturday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 29.
Sunday
A chance of rain and snow. Partly sunny, with a high near 45. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
13 Miles NNW Mackay ID
 44.08°N 113.74°W (Elev. 10069 ft)
12:31 pm MDT Apr 27, 2026
1pm MDT Apr 27, 2026-6pm MDT May 3, 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