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

77°F

25°C

Humidity 22%
Wind Speed NW 6 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 19 Aug 02:00 AM MDT
Extended Forecast for

Weiser ID

  • Overnight

    Overnight: Patchy smoke. Mostly clear, with a low around 62. Northwest wind 3 to 5 mph.

    Low: 62 °F

    Patchy Smoke

  • Wednesday

    Wednesday: Patchy smoke before 7am. Sunny and hot, with a high near 98. West northwest wind 5 to 7 mph becoming calm  in the morning.

    High: 98 °F

    Patchy Smoke
    then Sunny

  • Wednesday Night

    Wednesday Night: Patchy smoke after 3am. Mostly clear, with a low around 63. Calm wind becoming north 5 to 7 mph.

    Low: 63 °F

    Mostly Clear
    then Patchy
    Smoke

  • Thursday

    Thursday: Patchy smoke before 11am. Sunny and hot, with a high near 101. North northwest wind around 5 mph becoming calm.

    High: 101 °F

    Patchy Smoke
    then Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 65. Light and variable wind becoming north northwest 5 to 7 mph after midnight.

    Low: 65 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny and hot, with a high near 102.

    High: 102 °F

    Hot

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 68.

    Low: 68 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny and hot, with a high near 97.

    High: 97 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

Detailed Forecast

Overnight
Patchy smoke. Mostly clear, with a low around 62. Northwest wind 3 to 5 mph.
Wednesday
Patchy smoke before 7am. Sunny and hot, with a high near 98. West northwest wind 5 to 7 mph becoming calm in the morning.
Wednesday Night
Patchy smoke after 3am. Mostly clear, with a low around 63. Calm wind becoming north 5 to 7 mph.
Thursday
Patchy smoke before 11am. Sunny and hot, with a high near 101. North northwest wind around 5 mph becoming calm.
Thursday Night
Partly cloudy, with a low around 65. Light and variable wind becoming north northwest 5 to 7 mph after midnight.
Friday
Partly sunny and hot, with a high near 102.
Friday Night
Mostly cloudy, with a low around 68.
Saturday
Mostly sunny and hot, with a high near 97.
Saturday Night
Mostly clear, with a low around 62.
Sunday
Sunny and hot, with a high near 91.
Sunday Night
Mostly clear, with a low around 61.
Monday
Mostly sunny and hot, with a high near 94.
Monday Night
Partly cloudy, with a low around 64.
Tuesday
Mostly sunny and hot, with a high near 94.
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ABOUT THIS FORECAST

 
Point Forecast:
Weiser ID
 44.25°N 116.99°W (Elev. 2100 ft)
12:29 am MDT Aug 19, 2026
2am 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

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