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

Severe Thunderstorms in the Midwest and Arizona; Heat Continues in the Southeast and Southwest

Thunderstorms, some severe, may lead to scattered instances of flash flooding across the Midwest and Ohio Valley and southern Arizona. The threat will shift to the Mid-Atlantic coast on Thursday. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that little-to-no relief from the scorching daytime highs will be available. Read More >

Hazardous Weather Conditions

Current conditions at

Caldwell - Caldwell Industrial Airport (KEUL)

Lat: 43.64055°NLon: 116.63017°WElev: 2421.0ft.

Clear

69°F

21°C

Humidity 52%
Wind Speed N 0 MPH
Barometer 29.91 in (1012.87 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 20 Aug 01:56 AM MDT
Extended Forecast for

3 Miles ESE Notus ID

Heat Advisory August 20, 12:00pm until August 21, 09:00pm
Click here for hazard details and duration
Heat Advisory

  • Overnight

    Overnight: Mostly clear, with a low around 59. Calm wind.

    Low: 59 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny and hot, with a high near 97. Calm wind becoming north northwest around 6 mph in the afternoon.

    High: 97 °F

    Hot

  • Thursday Night

    Thursday Night: Patchy smoke after 3am. Mostly cloudy, with a low around 62. North northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 62 °F

    Mostly Cloudy
    then Patchy
    Smoke

  • Friday

    Friday: Patchy smoke before 2pm. Partly sunny and hot, with a high near 100. Light northwest wind.

    High: 100 °F

    Patchy Smoke

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 66. West wind 7 to 11 mph becoming south after midnight.

    Low: 66 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms. Partly sunny and hot, with a high near 94.

    High: 94 °F

    Slight 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

  • Sunday

    Sunday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 59. Calm wind.
Thursday
Mostly sunny and hot, with a high near 97. Calm wind becoming north northwest around 6 mph in the afternoon.
Thursday Night
Patchy smoke after 3am. Mostly cloudy, with a low around 62. North northwest wind 5 to 7 mph becoming calm in the evening.
Friday
Patchy smoke before 2pm. Partly sunny and hot, with a high near 100. Light northwest wind.
Friday Night
Mostly cloudy, with a low around 66. West wind 7 to 11 mph becoming south after midnight.
Saturday
A 20 percent chance of showers and thunderstorms. Partly sunny and hot, with a high near 94.
Saturday Night
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 60.
Sunday
Sunny, with a high near 88.
Sunday Night
Mostly clear, with a low around 57.
Monday
Mostly sunny and hot, with a high near 90.
Monday Night
Partly cloudy, with a low around 59.
Tuesday
Mostly sunny and hot, with a high near 91.
Tuesday Night
Partly cloudy, with a low around 60.
Wednesday
Mostly sunny and hot, with a high near 90.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Notus ID
 43.71°N 116.75°W (Elev. 2398 ft)
Last Update:
12:29 am MDT Aug 20, 2026
Forecast Valid:
2am MDT Aug 20, 2026-6pm MDT Aug 26, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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