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

LOWER TWIN (LWTM8)

Lat: 45.50871°NLon: 111.92288°WElev: 7900.0ft.

NA

48°F

9°C

Humidity NA
Wind Speed NA NA MPH
Barometer NA
Dewpoint N/A
Visibility NA
Last update NA
Extended Forecast for

11 Miles WNW Mcallister MT

  • Overnight

    Overnight: Mostly clear, with a low around 41. West northwest wind around 9 mph.

    Low: 41 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 64. West wind 8 to 13 mph, with gusts as high as 18 mph.

    High: 64 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 43. West wind 8 to 13 mph becoming light and variable.

    Low: 43 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 68. Southwest wind 5 to 10 mph, with gusts as high as 21 mph.

    High: 68 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 47. West wind around 7 mph becoming north in the evening.

    Low: 47 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 69. Southwest wind 5 to 7 mph.

    High: 69 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers.  Mostly cloudy, with a low around 47. East northeast wind 6 to 8 mph becoming south southwest after midnight.

    Low: 47 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: A chance of showers, then showers likely and possibly a thunderstorm after noon.  Mostly cloudy, with a high near 64. South southwest wind 9 to 11 mph, with gusts as high as 20 mph.

    High: 64 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 44.

    Low: 44 °F

    Chance
    Showers then
    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 41. West northwest wind around 9 mph.
Wednesday
Sunny, with a high near 64. West wind 8 to 13 mph, with gusts as high as 18 mph.
Wednesday Night
Mostly clear, with a low around 43. West wind 8 to 13 mph becoming light and variable.
Thursday
Sunny, with a high near 68. Southwest wind 5 to 10 mph, with gusts as high as 21 mph.
Thursday Night
Partly cloudy, with a low around 47. West wind around 7 mph becoming north in the evening.
Friday
Mostly sunny, with a high near 69. Southwest wind 5 to 7 mph.
Friday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 47. East northeast wind 6 to 8 mph becoming south southwest after midnight.
Saturday
A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 64. South southwest wind 9 to 11 mph, with gusts as high as 20 mph.
Saturday Night
A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 44.
Sunday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 63.
Sunday Night
Partly cloudy, with a low around 41.
Monday
Sunny, with a high near 62.
Monday Night
A slight chance of showers. Mostly cloudy, with a low around 43.
Tuesday
A chance of showers and thunderstorms. Partly sunny, with a high near 62.
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles WNW Mcallister MT
 45.5°N 111.97°W (Elev. 8999 ft)
12:31 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