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

Ontario Municipal Airport (KONO)

Lat: 44.01424°NLon: 117.00808°WElev: 2185.0ft.

Clear

79°F

26°C

Humidity 22%
Wind Speed NW 10 MPH
Barometer 29.98 in (1015.24 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 19 Aug 12:35 AM MDT
Extended Forecast for

Payette ID

  • Overnight

    Overnight: Patchy smoke after 3am. Mostly clear, with a low around 61. North northwest wind around 5 mph becoming calm.

    Low: 61 °F

    Patchy Smoke

  • Wednesday

    Wednesday: Sunny and hot, with a high near 96. Light and variable wind.

    High: 96 °F

    Hot

  • Wednesday Night

    Wednesday Night: Patchy smoke after 5am. Mostly clear, with a low around 60. North wind 3 to 7 mph.

    Low: 60 °F

    Mostly Clear
    then Patchy
    Smoke

  • Thursday

    Thursday: Patchy smoke before 10am. Sunny and hot, with a high near 99. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 99 °F

    Patchy Smoke
    then Sunny

  • Thursday Night

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

    Low: 63 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny and hot, with a high near 100.

    High: 100 °F

    Hot

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 66.

    Low: 66 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny and hot, with a high near 96.

    High: 96 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

Detailed Forecast

Overnight
Patchy smoke after 3am. Mostly clear, with a low around 61. North northwest wind around 5 mph becoming calm.
Wednesday
Sunny and hot, with a high near 96. Light and variable wind.
Wednesday Night
Patchy smoke after 5am. Mostly clear, with a low around 60. North wind 3 to 7 mph.
Thursday
Patchy smoke before 10am. Sunny and hot, with a high near 99. Calm wind becoming southwest around 6 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 63. West wind around 6 mph becoming light and variable after midnight.
Friday
Partly sunny and hot, with a high near 100.
Friday Night
Mostly cloudy, with a low around 66.
Saturday
Mostly sunny and hot, with a high near 96.
Saturday Night
Mostly clear, with a low around 61.
Sunday
Sunny and hot, with a high near 90.
Sunday Night
Mostly clear, with a low around 59.
Monday
Mostly sunny and hot, with a high near 93.
Monday Night
Partly cloudy, with a low around 62.
Tuesday
Mostly sunny and hot, with a high near 94.
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ABOUT THIS FORECAST

 
Point Forecast:
Payette ID
 44.08°N 116.92°W (Elev. 2165 ft)
12:29 am MDT Aug 19, 2026
1am 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