Record Heat for the Intermountain West and Northern Plains; Heavy Rainfall and Severe Weather Threats

Record setting heat is expected over the next several days from the Intermountain West through the northern Plains. Furthermore, fire weather concerns increase with dry and breezy conditions. Meanwhile, heavy rainfall and severe thunderstorm threats for the Ohio/Tennessee Valleys, central Appalachians and Southeast today. The threat shifts to central Gulf Coast and across central Texas this week. Read More >

Current conditions at

Arrow Creek Hill I-90 MP 468.6 (MTARC)

Lat: 45.78°NLon: 108.16341°WElev: 3924.0ft.

NA

78°F

26°C

Humidity 17%
Wind Speed SW 2 MPH
Barometer NA
Dewpoint 30°F (-1°C)
Visibility NA
Heat Index77°F (25°C)
Last update 12 Jul 07:00 AM MDT
Extended Forecast for

4 Miles W Pompeys Pillar MT

Extreme Heat Warning July 12, 07:19am until July 14, 12:00am
Red Flag Warning July 12, 09:00am until July 12, 09:00pm
Click here for hazard details and duration
Extreme Heat Warning
Red Flag Warning
  •  
    Extreme Heat Warning July 12, 07:19am until July 14, 12:00am

    NOW until 12:00am Tue

    Extreme Heat Warning

  • Today

    High: 112 °F

    Hot

  • Tonight

    Tonight: Increasing clouds, with a low around 73. South wind 17 to 22 mph becoming south 9 to 14 mph in the evening.

    Low: 73 °F

    Increasing
    Clouds

  • Monday

    Monday: Sunny and hot, with a high near 100. West wind 7 to 13 mph becoming east northeast in the afternoon.

    High: 100 °F

    Hot

  • Monday Night

    Monday Night: Partly cloudy, with a low around 72. East northeast wind 7 to 13 mph.

    Low: 72 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny and hot, with a high near 100. North northeast wind 6 to 11 mph.

    High: 100 °F

    Hot

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 70. North wind 9 to 14 mph.

    Low: 70 °F

    Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny and hot, with a high near 95. North wind 5 to 8 mph.

    High: 95 °F

    Hot

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 67. North northeast wind 5 to 9 mph becoming light north  after midnight.

    Low: 67 °F

    Chance
    T-storms then
    Mostly Cloudy

Detailed Forecast

Today
Sunny and hot, with a high near 112. West southwest wind 5 to 10 mph becoming south 17 to 22 mph in the afternoon.
Tonight
Increasing clouds, with a low around 73. South wind 17 to 22 mph becoming south 9 to 14 mph in the evening.
Monday
Sunny and hot, with a high near 100. West wind 7 to 13 mph becoming east northeast in the afternoon.
Monday Night
Partly cloudy, with a low around 72. East northeast wind 7 to 13 mph.
Tuesday
Sunny and hot, with a high near 100. North northeast wind 6 to 11 mph.
Tuesday Night
A 30 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 70. North wind 9 to 14 mph.
Wednesday
Mostly sunny and hot, with a high near 95. North wind 5 to 8 mph.
Wednesday Night
A 50 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 67. North northeast wind 5 to 9 mph becoming light north after midnight.
Thursday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny and hot, with a high near 97. Calm wind becoming east northeast 5 to 8 mph in the afternoon.
Thursday Night
A 40 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 68. North northeast wind 5 to 9 mph.
Friday
Mostly sunny and hot, with a high near 96. Calm wind becoming northeast 5 to 8 mph in the afternoon.
Friday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68. Northeast wind 5 to 9 mph becoming calm after midnight.
Saturday
Mostly sunny and hot, with a high near 96. Calm wind becoming north northeast 5 to 8 mph in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles W Pompeys Pillar MT
 45.97°N 108.03°W (Elev. 2982 ft)
4:18 am MDT Jul 12, 2026
7am MDT Jul 12, 2026-6pm MDT Jul 18, 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