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

Erin Strengthens to a Hurricane; Heavy Rainfall Possible in Puerto Rico and the Virgin Islands, the Upper Midwest, South Texas

Hurricane Erin may bring isolated flash and urban flooding, landslides or mudslides, and possible tropical storm conditions to Puerto Rico and the U.S. Virgin Islands this weekend. Scattered thunderstorms and heavy rainfall may bring areas of flooding this weekend over the Upper Midwest. A tropical disturbance will bring locally heavy rain and mainly urban flash flooding to far southern Texas. Read More >

Hazardous Weather Conditions

Current conditions at

RUBY VALLEY (RBYM)

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

NA

90°F

32°C

Humidity 12%
Wind Speed W 8 MPH
Barometer NA
Dewpoint 31°F (-1°C)
Visibility NA
Heat Index86°F (30°C)
Last update 15 Aug 04:00 PM MDT
Extended Forecast for

Sheridan MT

Red Flag Warning until August 15, 09:00pm
Click here for hazard details and duration
Red Flag Warning
  •  
    Red Flag Warning until August 15, 09:00pm

    NOW until 9:00pm Fri

    Red Flag Warning

  • This Afternoon

    High: 88 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 53. Southwest wind 9 to 14 mph becoming light and variable after midnight. Winds could gust as high as 25 mph.

    Low: 53 °F

    Mostly Clear

  • Saturday

    Saturday: A chance of showers and thunderstorms before 4pm, then a chance of showers and thunderstorms after 5pm. Increasing clouds, with a high near 87. Light and variable wind becoming southeast 10 to 15 mph in the morning. Winds could gust as high as 30 mph. Chance of precipitation is 40%.

    High: 87 °F

    Sunny then
    Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 51. South southwest wind 5 to 15 mph becoming east in the evening. Winds could gust as high as 28 mph.

    Low: 51 °F

    Partly Cloudy

  • Sunday

    Sunday: A chance of showers and thunderstorms between noon and 3pm, then a chance of showers after 3pm. Mostly sunny, with a high near 84. Calm wind becoming west southwest 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 40%.

    High: 84 °F

    Mostly Sunny
    then Chance
    Showers

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 50. West wind 5 to 9 mph becoming light and variable after midnight.

    Low: 50 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 86. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 22 mph.

    High: 86 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 52. Southwest wind 5 to 10 mph becoming east northeast in the evening. Winds could gust as high as 20 mph.

    Low: 52 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Sunny, with a high near 88. Southwest wind around 15 mph, with gusts as high as 29 mph.
Tonight
Mostly clear, with a low around 53. Southwest wind 9 to 14 mph becoming light and variable after midnight. Winds could gust as high as 25 mph.
Saturday
A chance of showers and thunderstorms before 4pm, then a chance of showers and thunderstorms after 5pm. Increasing clouds, with a high near 87. Light and variable wind becoming southeast 10 to 15 mph in the morning. Winds could gust as high as 30 mph. Chance of precipitation is 40%.
Saturday Night
Partly cloudy, with a low around 51. South southwest wind 5 to 15 mph becoming east in the evening. Winds could gust as high as 28 mph.
Sunday
A chance of showers and thunderstorms between noon and 3pm, then a chance of showers after 3pm. Mostly sunny, with a high near 84. Calm wind becoming west southwest 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 40%.
Sunday Night
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 50. West wind 5 to 9 mph becoming light and variable after midnight.
Monday
Sunny, with a high near 86. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 22 mph.
Monday Night
Partly cloudy, with a low around 52. Southwest wind 5 to 10 mph becoming east northeast in the evening. Winds could gust as high as 20 mph.
Tuesday
Sunny, with a high near 91.
Tuesday Night
Mostly clear, with a low around 54.
Wednesday
Sunny, with a high near 92.
Wednesday Night
Mostly clear, with a low around 52.
Thursday
Sunny, with a high near 88.
Thursday Night
Mostly clear, with a low around 51.
Friday
Sunny, with a high near 86.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sheridan MT
 45.46°N 112.21°W (Elev. 5049 ft)
Last Update:
2:22 pm MDT Aug 15, 2025
Forecast Valid:
4pm MDT Aug 15, 2025-6pm MDT Aug 22, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation