Severe Thunderstorms and Heavy Rain in the Mid-Atlantic; Heat Persists Across the South

Scattered severe thunderstorms and excessive rainfall are possible into the night in the Mid Atlantic, and heavy rain will shift to Virginia and the Carolinas on Friday. Severe thunderstorms are also possible in the Central Plains into the Upper MS Valley and the Deep South tonight. Dangerous heat persists across the Southern Plains and Lower MS Valley and heat will expand into the Southwest. Read More >

Current conditions at

Arrow Creek Hill I-90 MP 468.6 (MTARC)

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

NA

80°F

27°C

Humidity 17%
Wind Speed ESE 11 MPH
Barometer NA
Dewpoint 31°F (-1°C)
Visibility NA
Heat Index78°F (26°C)
Last update 20 Aug 09:15 PM MDT
Extended Forecast for

Pompeys Pillar MT

  • Tonight

    Tonight: Patchy smoke. Partly cloudy, with a low around 63. East wind around 5 mph becoming calm  in the evening.

    Low: 63 °F

    Patchy Smoke

  • Friday

    Friday: Patchy smoke before noon. Sunny and hot, with a high near 92. Light and variable wind becoming northeast 6 to 11 mph in the morning.

    High: 92 °F

    Patchy Smoke
    then Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 65. East northeast wind 7 to 11 mph.

    Low: 65 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers after noon.  Mostly sunny and hot, with a high near 95. East northeast wind 6 to 10 mph becoming southeast in the afternoon.

    High: 95 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 66. South southeast wind 5 to 8 mph becoming west northwest in the evening.

    Low: 66 °F

    Chance
    Showers then
    Mostly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers after noon.  Mostly sunny and hot, with a high near 96. West southwest wind 5 to 10 mph.

    High: 96 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Sunday Night

    Sunday Night: A 30 percent chance of showers before midnight.  Partly cloudy, with a low around 64. West wind 5 to 10 mph becoming light west northwest.

    Low: 64 °F

    Chance
    Showers then
    Partly Cloudy

  • Monday

    Monday: Mostly sunny and hot, with a high near 90. Light and variable wind becoming northeast around 6 mph in the afternoon.

    High: 90 °F

    Hot

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 61. North northeast wind 5 to 7 mph.

    Low: 61 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Patchy smoke. Partly cloudy, with a low around 63. East wind around 5 mph becoming calm in the evening.
Friday
Patchy smoke before noon. Sunny and hot, with a high near 92. Light and variable wind becoming northeast 6 to 11 mph in the morning.
Friday Night
Partly cloudy, with a low around 65. East northeast wind 7 to 11 mph.
Saturday
A 20 percent chance of showers after noon. Mostly sunny and hot, with a high near 95. East northeast wind 6 to 10 mph becoming southeast in the afternoon.
Saturday Night
A 30 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 66. South southeast wind 5 to 8 mph becoming west northwest in the evening.
Sunday
A 20 percent chance of showers after noon. Mostly sunny and hot, with a high near 96. West southwest wind 5 to 10 mph.
Sunday Night
A 30 percent chance of showers before midnight. Partly cloudy, with a low around 64. West wind 5 to 10 mph becoming light west northwest.
Monday
Mostly sunny and hot, with a high near 90. Light and variable wind becoming northeast around 6 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 61. North northeast wind 5 to 7 mph.
Tuesday
Mostly sunny, with a high near 87. Light and variable wind becoming east northeast 5 to 7 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 62. East wind 3 to 7 mph.
Wednesday
Mostly sunny and hot, with a high near 90. Calm wind becoming east northeast around 5 mph in the afternoon.
Wednesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 62. North northeast wind 3 to 6 mph.
Thursday
Mostly sunny, with a high near 88. Light northwest wind becoming north northeast 5 to 9 mph in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
Pompeys Pillar MT
 46°N 107.94°W (Elev. 2884 ft)
5:02 pm MDT Aug 20, 2026
9pm MDT Aug 20, 2026-6pm MDT Aug 27, 2026
 
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Additional Resources

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