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

RUBY VALLEY (RBYM)

Lat: 45.345°NLon: 112.15028°WElev: 5250.0ft.

NA

55°F

13°C

Humidity 58%
Wind Speed SW 3 MPH
Barometer NA
Dewpoint 40°F (4°C)
Visibility NA
Last update 19 Aug 01:00 AM MDT
Extended Forecast for

Sheridan MT

  • Overnight

    Overnight: Mostly clear, with a low around 49. Light south wind.

    Low: 49 °F

    Mostly Clear

  • Wednesday

    Wednesday: Patchy smoke between noon and 2pm. Sunny, with a high near 81. Calm wind becoming west 5 to 9 mph in the afternoon.

    High: 81 °F

    Sunny then
    Patchy Smoke

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 50. West northwest wind 5 to 10 mph becoming light and variable.

    Low: 50 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 86. Southeast wind around 6 mph becoming calm  in the morning.

    High: 86 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 55. East northeast wind 5 to 7 mph becoming light and variable  after midnight.

    Low: 55 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 87. Calm wind.

    High: 87 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers.  Mostly cloudy, with a low around 55. Northeast wind 5 to 9 mph becoming southeast after midnight.

    Low: 55 °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 81. Southeast wind 5 to 8 mph becoming southwest in the afternoon.

    High: 81 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 52.

    Low: 52 °F

    Chance
    Showers then
    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 49. Light south wind.
Wednesday
Patchy smoke between noon and 2pm. Sunny, with a high near 81. Calm wind becoming west 5 to 9 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 50. West northwest wind 5 to 10 mph becoming light and variable.
Thursday
Sunny, with a high near 86. Southeast wind around 6 mph becoming calm in the morning.
Thursday Night
Partly cloudy, with a low around 55. East northeast wind 5 to 7 mph becoming light and variable after midnight.
Friday
Mostly sunny, with a high near 87. Calm wind.
Friday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 55. Northeast wind 5 to 9 mph becoming southeast after midnight.
Saturday
A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 81. Southeast wind 5 to 8 mph becoming southwest in the afternoon.
Saturday Night
A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 52.
Sunday
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 81.
Sunday Night
Partly cloudy, with a low around 49.
Monday
Sunny, with a high near 80.
Monday Night
A slight chance of showers. Mostly cloudy, with a low around 51.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 80.
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ABOUT THIS FORECAST

 
Point Forecast:
Sheridan MT
 45.46°N 112.21°W (Elev. 5049 ft)
12:31 am MDT Aug 19, 2026
2am MDT Aug 19, 2026-6pm MDT Aug 25, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database