Heavy Rainfall and Severe Thunderstorm Threats; Heat Risk Expands; Monitoring the Tropics

Flash flooding risks continue for portions of the Four Corners and Great Basin through today. Severe thunderstorms are outlooked from the eastern Great Lakes, southern New England into the mid-Atlantic through Tuesday. Heat risk increases and expands across the center of the nation and across the Ohio Valley and mid-Atlantic this week. Continue to closely monitor tropical development in the Gulf. Read More >

Current conditions at

HILLSBORO (HBOM8)

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

NA

48°F

9°C

Humidity 83%
Wind Speed W 0 MPH
Barometer NA
Dewpoint 43°F (6°C)
Visibility NA
Last update 31 Aug 06:29 AM MDT
Extended Forecast for

17 Miles SW Fort Smith MT

  • Today

    Today: Patchy smoke before noon. Sunny, with a high near 79. Light and variable wind becoming south 8 to 13 mph in the morning.

    High: 79 °F

    Patchy Smoke
    then Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 57. Northwest wind 5 to 7 mph becoming light and variable  after midnight.

    Low: 57 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: A slight chance of showers between 9am and 2pm.  Cloudy, then gradually becoming mostly sunny, with a high near 80. South southwest wind 7 to 13 mph.  Chance of precipitation is 20%.

    High: 80 °F

    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 58. South wind 7 to 15 mph.

    Low: 58 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 86. South southwest wind 16 to 24 mph.

    High: 86 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 57. Southwest wind 15 to 20 mph decreasing to 9 to 14 mph after midnight.

    Low: 57 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 86. South southwest wind 9 to 14 mph increasing to 18 to 23 mph in the afternoon.

    High: 86 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 58. South southwest wind 13 to 18 mph becoming north northeast 6 to 11 mph after midnight.

    Low: 58 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 89. Northwest wind 6 to 11 mph becoming south 13 to 18 mph in the afternoon.

    High: 89 °F

    Sunny

Detailed Forecast

Today
Patchy smoke before noon. Sunny, with a high near 79. Light and variable wind becoming south 8 to 13 mph in the morning.
Tonight
Increasing clouds, with a low around 57. Northwest wind 5 to 7 mph becoming light and variable after midnight.
Tuesday
A slight chance of showers between 9am and 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 80. South southwest wind 7 to 13 mph. Chance of precipitation is 20%.
Tuesday Night
Partly cloudy, with a low around 58. South wind 7 to 15 mph.
Wednesday
Sunny, with a high near 86. South southwest wind 16 to 24 mph.
Wednesday Night
Partly cloudy, with a low around 57. Southwest wind 15 to 20 mph decreasing to 9 to 14 mph after midnight.
Thursday
Mostly sunny, with a high near 86. South southwest wind 9 to 14 mph increasing to 18 to 23 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 58. South southwest wind 13 to 18 mph becoming north northeast 6 to 11 mph after midnight.
Friday
Sunny, with a high near 89. Northwest wind 6 to 11 mph becoming south 13 to 18 mph in the afternoon.
Friday Night
Mostly clear, with a low around 60. South southeast wind 6 to 14 mph becoming north northwest after midnight.
Saturday
Sunny, with a high near 87. North northwest wind 6 to 10 mph becoming south in the afternoon.
Saturday Night
Mostly cloudy, with a low around 60. East northeast wind 6 to 10 mph becoming west after midnight.
Sunday
A 20 percent chance of showers. Partly sunny, with a high near 84. South southwest wind 5 to 9 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
17 Miles SW Fort Smith MT
 45.15°N 108.22°W (Elev. 4613 ft)
12:32 am MDT Aug 31, 2026
7am MDT Aug 31, 2026-6pm MDT Sep 6, 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