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

LITTLE BIGHORN (LBHM8)

Lat: 45.56992°NLon: 107.43623°WElev: 3197.0ft.

NA

77°F

25°C

Humidity 45%
Wind Speed NW 3 MPH
Barometer NA
Dewpoint 54°F (12°C)
Visibility NA
Heat Index78°F (26°C)
Last update 17 Aug 09:59 AM MDT
Extended Forecast for

3 Miles WNW Lame Deer MT

  • Today

    Today: Mostly sunny, with a high near 88. West northwest wind around 6 mph becoming east northeast in the afternoon.

    High: 88 °F

    Mostly Sunny

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 8pm.  Mostly cloudy, with a low around 62. East wind around 5 mph becoming calm  in the evening.

    Low: 62 °F

    Chance
    T-storms

  • Monday

    Monday: Partly sunny, then gradually becoming sunny, with a high near 89. Light and variable wind.

    High: 89 °F

    Becoming
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 66. Light and variable wind becoming south southeast around 5 mph.

    Low: 66 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 96. Calm wind becoming south southeast around 5 mph in the afternoon.

    High: 96 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 71. East wind 5 to 7 mph.

    Low: 71 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 98. South wind around 6 mph becoming west northwest in the afternoon.

    High: 98 °F

    Hot

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 68. North wind around 6 mph.

    Low: 68 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 85. West northwest wind 5 to 8 mph becoming north in the afternoon.

    High: 85 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 88. West northwest wind around 6 mph becoming east northeast in the afternoon.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 62. East wind around 5 mph becoming calm in the evening.
Monday
Partly sunny, then gradually becoming sunny, with a high near 89. Light and variable wind.
Monday Night
Mostly clear, with a low around 66. Light and variable wind becoming south southeast around 5 mph.
Tuesday
Sunny and hot, with a high near 96. Calm wind becoming south southeast around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 71. East wind 5 to 7 mph.
Wednesday
Sunny and hot, with a high near 98. South wind around 6 mph becoming west northwest in the afternoon.
Wednesday Night
Partly cloudy, with a low around 68. North wind around 6 mph.
Thursday
Sunny, with a high near 85. West northwest wind 5 to 8 mph becoming north in the afternoon.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 61. North wind 5 to 8 mph becoming east after midnight. Chance of precipitation is 30%.
Friday
Sunny, with a high near 80. East northeast wind 3 to 8 mph.
Friday Night
A 20 percent chance of showers. Partly cloudy, with a low around 57. Northeast wind 5 to 9 mph becoming light east after midnight.
Saturday
Sunny, with a high near 82. Calm wind becoming east 5 to 7 mph in the morning.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Lame Deer MT
 45.63°N 106.67°W (Elev. 3301 ft)
5:08 am MDT Aug 17, 2025
10am MDT Aug 17, 2025-6pm MDT Aug 23, 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