Heat Persists in the Southwest; Elevated to Critical Fire Weather in the Great Basin; Poor Air Quality in the West

Dangerous heat will persist across the Southwest U.S. through this week, easing by next week. The heat will focus further east in the Great Plains and Mississippi Valley beginning next week. Elevated to locally critical fire weather conditions will persist for the Great Basin today. Poor air quality lingers for the Northwest, Great Basin, Central Rockies into the Plains. Read More >

Current conditions at

ONION PARK (ONPM8)

Lat: 46.91348°NLon: 110.8536°WElev: 7410.0ft.

NA

46°F

8°C

Humidity 42%
Wind Speed NA NA MPH
Barometer NA
Dewpoint 24°F (-4°C)
Visibility NA
Last update 04 Aug 10:00 AM MDT
Extended Forecast for

Neihart MT

  • Today

    Today: Mostly sunny, with a high near 59. Northwest wind 3 to 8 mph.

    High: 59 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 43. North northwest wind 6 to 8 mph becoming south southeast after midnight.

    Low: 43 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 66. South southwest wind 7 to 10 mph becoming west in the afternoon. Winds could gust as high as 18 mph.

    High: 66 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 49. West northwest wind 5 to 8 mph becoming south after midnight.

    Low: 49 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 72. South southwest wind 7 to 10 mph becoming west northwest in the afternoon. Winds could gust as high as 20 mph.

    High: 72 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 55. West northwest wind 5 to 10 mph becoming south after midnight. Winds could gust as high as 18 mph.

    Low: 55 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 78. South wind 8 to 15 mph becoming west in the afternoon. Winds could gust as high as 25 mph.

    High: 78 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 57. West northwest wind 8 to 17 mph, with gusts as high as 24 mph.

    Low: 57 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 59. Northwest wind 3 to 8 mph.
Tonight
Mostly clear, with a low around 43. North northwest wind 6 to 8 mph becoming south southeast after midnight.
Wednesday
Sunny, with a high near 66. South southwest wind 7 to 10 mph becoming west in the afternoon. Winds could gust as high as 18 mph.
Wednesday Night
Mostly clear, with a low around 49. West northwest wind 5 to 8 mph becoming south after midnight.
Thursday
Sunny, with a high near 72. South southwest wind 7 to 10 mph becoming west northwest in the afternoon. Winds could gust as high as 20 mph.
Thursday Night
Mostly clear, with a low around 55. West northwest wind 5 to 10 mph becoming south after midnight. Winds could gust as high as 18 mph.
Friday
Sunny, with a high near 78. South wind 8 to 15 mph becoming west in the afternoon. Winds could gust as high as 25 mph.
Friday Night
Mostly clear, with a low around 57. West northwest wind 8 to 17 mph, with gusts as high as 24 mph.
Saturday
Sunny, with a high near 76.
Saturday Night
Mostly clear, with a low around 57.
Sunday
Sunny, with a high near 73.
Sunday Night
Partly cloudy, with a low around 54.
Monday
Sunny, with a high near 70.
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ABOUT THIS FORECAST

 
Point Forecast:
Neihart MT
 46.95°N 110.71°W (Elev. 7559 ft)
4:36 am MDT Aug 4, 2026
11am MDT Aug 4, 2026-6pm MDT Aug 10, 2026
 
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Additional Resources

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Hourly Weather Forecast

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