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 >

Current conditions at

LITTLE BIGHORN (LBHM8)

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

NA

88°F

31°C

Humidity 26%
Wind Speed ESE 12 MPH
Barometer NA
Dewpoint 49°F (9°C)
Visibility NA
Heat Index85°F (29°C)
Last update 16 Aug 05:59 PM MDT
Extended Forecast for

8 Miles WSW Hysham MT

  • Tonight

    Tonight: A 20 percent chance of showers before midnight. Partly cloudy, with a low around 62. Light and variable wind.

    Low: 62 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers after 3pm. Sunny and hot, with a high near 91. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 91 °F

    Sunny then
    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 62. North northwest wind around 5 mph becoming calm in the evening.

    Low: 62 °F

    Chance
    Showers then
    Mostly Cloudy

  • Monday

    Monday: Sunny and hot, with a high near 94. Light south southeast wind.

    High: 94 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 63. Light east wind.

    Low: 63 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 100. Light south wind.

    High: 100 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 65. East southeast wind 3 to 6 mph.

    Low: 65 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 100. Calm wind becoming west around 6 mph in the afternoon.

    High: 100 °F

    Hot

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 66. North northwest wind 5 to 7 mph.

    Low: 66 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 20 percent chance of showers before midnight. Partly cloudy, with a low around 62. Light and variable wind.
Sunday
A 20 percent chance of showers after 3pm. Sunny and hot, with a high near 91. Calm wind becoming northeast around 5 mph in the afternoon.
Sunday Night
A 30 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 62. North northwest wind around 5 mph becoming calm in the evening.
Monday
Sunny and hot, with a high near 94. Light south southeast wind.
Monday Night
Mostly clear, with a low around 63. Light east wind.
Tuesday
Sunny and hot, with a high near 100. Light south wind.
Tuesday Night
Mostly clear, with a low around 65. East southeast wind 3 to 6 mph.
Wednesday
Sunny and hot, with a high near 100. Calm wind becoming west around 6 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 66. North northwest wind 5 to 7 mph.
Thursday
Sunny, with a high near 87. North wind 6 to 8 mph.
Thursday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 60. North northeast wind 6 to 8 mph.
Friday
Mostly sunny, with a high near 79. Northeast wind 6 to 8 mph.
Friday Night
Partly cloudy, with a low around 57. East northeast wind 5 to 8 mph.
Saturday
Sunny, with a high near 81. East northeast wind 5 to 7 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles WSW Hysham MT
 46.27°N 107.39°W (Elev. 2664 ft)
Last Update:
5:08 pm MDT Aug 16, 2025
Forecast Valid:
6pm MDT Aug 16, 2025-6pm MDT Aug 23, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation