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

HILLSBORO (HBOM8)

Lat: 45.10392°NLon: 108.21972°WElev: 3986.0ft.

NA

86°F

30°C

Humidity 21%
Wind Speed NW 9 MPH
Barometer NA
Dewpoint 42°F (6°C)
Visibility NA
Heat Index83°F (28°C)
Last update 04 Jul 08:29 PM MDT
Extended Forecast for

10 Miles SW Fort Smith MT

  • Tonight

    Tonight: Mostly clear, with a low around 64. East wind 5 to 8 mph becoming south southwest after midnight.

    Low: 64 °F

    Mostly Clear

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 5pm. Sunny and hot, with a high near 95. South southwest wind around 9 mph becoming northeast in the afternoon.

    High: 95 °F

    Sunny then
    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Mostly cloudy, with a low around 62. Northeast wind 5 to 8 mph becoming calm after midnight. Chance of precipitation is 20%.

    Low: 62 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 88. North wind 5 to 15 mph.

    High: 88 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm before midnight, then a slight chance of showers. Mostly cloudy, with a low around 63. Northeast wind 9 to 14 mph becoming light and variable after midnight. Chance of precipitation is 60%.

    Low: 63 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 88. Light and variable wind becoming north 5 to 10 mph in the morning.

    High: 88 °F

    Partly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 61. North wind 6 to 11 mph becoming light and variable after midnight.

    Low: 61 °F

    Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms after noon. Mostly sunny and hot, with a high near 90. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 90 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 63. East wind 5 to 7 mph becoming west southwest after midnight.

    Low: 63 °F

    Chance
    Showers then
    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 64. East wind 5 to 8 mph becoming south southwest after midnight.
Sunday
A 20 percent chance of showers and thunderstorms after 5pm. Sunny and hot, with a high near 95. South southwest wind around 9 mph becoming northeast in the afternoon.
Sunday Night
A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Mostly cloudy, with a low around 62. Northeast wind 5 to 8 mph becoming calm after midnight. Chance of precipitation is 20%.
Monday
Mostly sunny, with a high near 88. North wind 5 to 15 mph.
Monday Night
Showers likely and possibly a thunderstorm before midnight, then a slight chance of showers. Mostly cloudy, with a low around 63. Northeast wind 9 to 14 mph becoming light and variable after midnight. Chance of precipitation is 60%.
Tuesday
A 40 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 88. Light and variable wind becoming north 5 to 10 mph in the morning.
Tuesday Night
A 30 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 61. North wind 6 to 11 mph becoming light and variable after midnight.
Wednesday
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny and hot, with a high near 90. Calm wind becoming south 5 to 7 mph in the afternoon.
Wednesday Night
A 40 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 63. East wind 5 to 7 mph becoming west southwest after midnight.
Thursday
Sunny, with a high near 88. West southwest wind 5 to 10 mph becoming north in the afternoon.
Thursday Night
Mostly clear, with a low around 61. North northeast wind 6 to 11 mph becoming light and variable after midnight.
Friday
Sunny and hot, with a high near 91. West southwest wind 5 to 9 mph becoming north in the afternoon.
Friday Night
Mostly clear, with a low around 64. North wind 5 to 10 mph becoming south southwest after midnight.
Saturday
Sunny and hot, with a high near 96. South southwest wind 6 to 10 mph becoming east in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles SW Fort Smith MT
 45.22°N 108.11°W (Elev. 3967 ft)
Last Update:
12:37 pm MDT Jul 4, 2026
Forecast Valid:
8pm MDT Jul 4, 2026-6pm MDT Jul 11, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation