Lala Approaching Hawaii; Flash Flooding Risks; Excessive Heat

Lala, may become a hurricane, is expected to impact Hawaii this weekend. Heavy rainfall, strong winds, dangerous surf and localized flooding are expected. Heavy rainfall and flash flooding concerns from the mid-Mississippi Valley, Ohio Valley into the central Appalachians continues, with the threat shifting toward the mid-Atlantic later this weekend. Record heat continues for areas of the South. Read More >

Current conditions at

BIG SHEEP MOUNTAIN (LCFM8)

Lat: 47.02819°NLon: 105.80472°WElev: 3172.0ft.

NA

60°F

16°C

Humidity 100%
Wind Speed WNW 9 MPH
Barometer NA
Dewpoint 60°F (16°C)
Visibility NA
Last update 15 Aug 08:08 AM MDT
Extended Forecast for

11 Miles NNE Rock Springs MT

  • Today

    Today: Mostly sunny, with a high near 76. Northwest wind around 7 mph.

    High: 76 °F

    Mostly Sunny

  • Tonight

    Tonight: A 20 percent chance of showers after 5am.  Partly cloudy, with a low around 54. Light and variable wind becoming southeast 5 to 7 mph in the evening.

    Low: 54 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: A 30 percent chance of showers, mainly before 8am.  Mostly sunny, with a high near 83. Southeast wind 5 to 7 mph becoming southwest in the afternoon.

    High: 83 °F

    Chance
    Showers then
    Sunny

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 56. West wind 3 to 5 mph.  Chance of precipitation is 40%.

    Low: 56 °F

    Chance
    Showers

  • Monday

    Monday: Partly sunny, with a high near 85. West southwest wind 3 to 6 mph.

    High: 85 °F

    Partly Sunny

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after midnight.  Mostly cloudy, with a low around 57. Northwest wind 5 to 7 mph becoming east after midnight.  Chance of precipitation is 60%.

    Low: 57 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm before noon, then a chance of showers and thunderstorms after noon.  Mostly cloudy, with a high near 78. West southwest wind 5 to 8 mph becoming north in the morning. Winds could gust as high as 18 mph.  Chance of precipitation is 60%.

    High: 78 °F

    Showers
    Likely then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms, then a chance of showers after midnight.  Partly cloudy, with a low around 52. North wind 5 to 8 mph becoming east southeast after midnight.  Chance of precipitation is 30%.

    Low: 52 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 82. Southeast wind around 7 mph becoming west southwest in the afternoon.

    High: 82 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 76. Northwest wind around 7 mph.
Tonight
A 20 percent chance of showers after 5am. Partly cloudy, with a low around 54. Light and variable wind becoming southeast 5 to 7 mph in the evening.
Sunday
A 30 percent chance of showers, mainly before 8am. Mostly sunny, with a high near 83. Southeast wind 5 to 7 mph becoming southwest in the afternoon.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 56. West wind 3 to 5 mph. Chance of precipitation is 40%.
Monday
Partly sunny, with a high near 85. West southwest wind 3 to 6 mph.
Monday Night
A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 57. Northwest wind 5 to 7 mph becoming east after midnight. Chance of precipitation is 60%.
Tuesday
Showers likely and possibly a thunderstorm before noon, then a chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 78. West southwest wind 5 to 8 mph becoming north in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 60%.
Tuesday Night
A slight chance of showers and thunderstorms, then a chance of showers after midnight. Partly cloudy, with a low around 52. North wind 5 to 8 mph becoming east southeast after midnight. Chance of precipitation is 30%.
Wednesday
Mostly sunny, with a high near 82. Southeast wind around 7 mph becoming west southwest in the afternoon.
Wednesday Night
Partly cloudy, with a low around 55. North northwest wind around 6 mph becoming south southeast after midnight.
Thursday
A 20 percent chance of showers. Mostly sunny, with a high near 86. South southeast wind 5 to 7 mph becoming west in the afternoon.
Thursday Night
Mostly clear, with a low around 56.
Friday
Mostly sunny, with a high near 89.
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles NNE Rock Springs MT
 46.96°N 106.12°W (Elev. 2700 ft)
6:50 am MDT Aug 15, 2026
10am MDT Aug 15, 2026-6pm MDT Aug 21, 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