Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

Burley Municipal Airport (KBYI)

Lat: 42.54525°NLon: 113.7686°WElev: 4137.0ft.

Clear

61°F

16°C

Humidity 55%
Wind Speed SW 6 MPH
Barometer 30.08 in (1018.63 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 19 Aug 03:35 AM MDT
Extended Forecast for

3 Miles W Declo ID

Heat Advisory August 20, 12:00pm until August 20, 10:00pm
Heat Advisory August 21, 12:00pm until August 21, 10:00pm
Click here for hazard details and duration
Heat Advisory
Heat Advisory
  • Overnight

    Overnight: Mostly clear, with a low around 59. South southwest wind 3 to 5 mph.

    Low: 59 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 90. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 90 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 61. West northwest wind around 5 mph becoming calm  in the evening.

    Low: 61 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 95. East wind around 6 mph becoming northwest in the afternoon.

    High: 95 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 63. North northwest wind around 6 mph becoming light and variable  after midnight.

    Low: 63 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 95.

    High: 95 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 9pm, then a chance of rain after 9pm.  Mostly cloudy, with a low around 65. Chance of precipitation is 30%.

    Low: 65 °F

    Chance
    Showers

  • Saturday

    Saturday: A slight chance of rain, then a chance of showers and thunderstorms after noon.  Partly sunny, with a high near 87. Chance of precipitation is 40%.

    High: 87 °F

    Slight Chance
    Rain then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 60.

    Low: 60 °F

    Slight Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 59. South southwest wind 3 to 5 mph.
Wednesday
Mostly sunny, with a high near 90. Calm wind becoming northwest around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 61. West northwest wind around 5 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 95. East wind around 6 mph becoming northwest in the afternoon.
Thursday Night
Partly cloudy, with a low around 63. North northwest wind around 6 mph becoming light and variable after midnight.
Friday
Mostly sunny, with a high near 95.
Friday Night
A chance of showers and thunderstorms before 9pm, then a chance of rain after 9pm. Mostly cloudy, with a low around 65. Chance of precipitation is 30%.
Saturday
A slight chance of rain, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 87. Chance of precipitation is 40%.
Saturday Night
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 60.
Sunday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 84.
Sunday Night
Partly cloudy, with a low around 58.
Monday
A 30 percent chance of rain and thunderstorms. Partly sunny, with a high near 85.
Monday Night
A 30 percent chance of rain and thunderstorms. Mostly cloudy, with a low around 58.
Tuesday
A 20 percent chance of rain and thunderstorms. Mostly sunny, with a high near 86.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Declo ID
 42.51°N 113.68°W (Elev. 4157 ft)
2:31 am MDT Aug 19, 2026
3am MDT Aug 19, 2026-6pm MDT Aug 25, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database