Watching Hurricane Erin; Heavy Rainfall Threat for Upper Midwest; Heatrisk for Mississippi Valley

Hurricane Erin continues to track westward with its outer bands bringing heavy rainfall and gusty winds for Puerto Rico and US Virgin Islands. Life-threatening surf and rip currents are occurring and will spread across the Atlantic coasts this week. Meanwhile, heavy rainfall and possible flooding are in the forecast for upper Midwest through Monday. Heatrisk continues for the Mississippi Valley. Read More >

Current conditions at

Miles City, Frank Wiley Field Airport (KMLS)

Lat: 46.42806°NLon: 105.88639°WElev: 2628.0ft.

Clear

63°F

17°C

Humidity 93%
Wind Speed W 5 MPH
Barometer 30.0 in (1015.92 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 18 Aug 05:35 AM MDT
Extended Forecast for

31 Miles W Rock Springs MT

  • Today

    Today: Sunny and hot, with a high near 90. Light and variable wind becoming west southwest around 5 mph in the morning.

    High: 90 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 65. Southeast wind 5 to 7 mph becoming east northeast in the evening.

    Low: 65 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 99. East wind 6 to 8 mph becoming south in the afternoon.

    High: 99 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 67. South wind 6 to 11 mph becoming east southeast in the evening.

    Low: 67 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 97. South southeast wind 8 to 10 mph becoming northwest in the afternoon.

    High: 97 °F

    Hot

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers after midnight.  Partly cloudy, with a low around 65. North wind around 10 mph.

    Low: 65 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Thursday

    Thursday: A slight chance of showers, with thunderstorms also possible after noon.  Mostly sunny, with a high near 83. North wind around 11 mph.  Chance of precipitation is 20%.

    High: 83 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: A 20 percent chance of showers.  Partly cloudy, with a low around 58. North northeast wind 6 to 10 mph.

    Low: 58 °F

    Slight Chance
    Showers

  • Friday

    Friday: Sunny, with a high near 79. Northeast wind 6 to 10 mph.

    High: 79 °F

    Sunny

Detailed Forecast

Today
Sunny and hot, with a high near 90. Light and variable wind becoming west southwest around 5 mph in the morning.
Tonight
Mostly clear, with a low around 65. Southeast wind 5 to 7 mph becoming east northeast in the evening.
Tuesday
Sunny and hot, with a high near 99. East wind 6 to 8 mph becoming south in the afternoon.
Tuesday Night
Mostly clear, with a low around 67. South wind 6 to 11 mph becoming east southeast in the evening.
Wednesday
Sunny and hot, with a high near 97. South southeast wind 8 to 10 mph becoming northwest in the afternoon.
Wednesday Night
A 20 percent chance of showers after midnight. Partly cloudy, with a low around 65. North wind around 10 mph.
Thursday
A slight chance of showers, with thunderstorms also possible after noon. Mostly sunny, with a high near 83. North wind around 11 mph. Chance of precipitation is 20%.
Thursday Night
A 20 percent chance of showers. Partly cloudy, with a low around 58. North northeast wind 6 to 10 mph.
Friday
Sunny, with a high near 79. Northeast wind 6 to 10 mph.
Friday Night
Mostly clear, with a low around 55. North northeast wind 8 to 10 mph.
Saturday
Sunny, with a high near 79. East wind 8 to 10 mph.
Saturday Night
Mostly clear, with a low around 55. East wind around 10 mph.
Sunday
Sunny, with a high near 83. East wind around 11 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
31 Miles W Rock Springs MT
 46.79°N 106.91°W (Elev. 3031 ft)
5:08 am MDT Aug 18, 2025
5am MDT Aug 18, 2025-6pm MDT Aug 24, 2025
 
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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