Heat Builds in the West; Extremely Critical Fire Weather in the Northwest

A heat wave over the Southwest will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Critical to extremely critical fire weather conditions are forecast from the Northwest and the northern Great Basin this weekend. Particularly Dangerous Situation Red Flag Warnings have been issued. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

Lat: 43.73°NLon: 103.62°WElev: 5600ft.

Partly Cloudy

77°F

25°C

Humidity 47%
Wind Speed E 7 mph
Barometer 30.33 in (1020.6 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 31 Jul 1:53 pm MDT
Extended Forecast for

Hill City SD

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms after 3pm.  Widespread haze. Mostly sunny, with a high near 82. Northeast wind around 6 mph becoming calm. Winds could gust as high as 17 mph.

    High: 82 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Mostly clear, with a low around 58. Light and variable wind. Winds could gust as high as 15 mph.

    Low: 58 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 91. Light and variable wind becoming southwest around 5 mph in the morning. Winds could gust as high as 20 mph.

    High: 91 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 70. Light and variable wind becoming southwest around 6 mph after midnight. Winds could gust as high as 26 mph.

    Low: 70 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 97. Southwest wind around 6 mph becoming light and variable  in the afternoon. Winds could gust as high as 22 mph.

    High: 97 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 67. Light and variable wind. Winds could gust as high as 16 mph.

    Low: 67 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Monday Night

    Monday Night: A chance of showers after midnight.  Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear
    then Chance
    Showers

  • Tuesday

    Tuesday: Mostly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms after 3pm. Widespread haze. Mostly sunny, with a high near 82. Northeast wind around 6 mph becoming calm. Winds could gust as high as 17 mph.
Tonight
Mostly clear, with a low around 58. Light and variable wind. Winds could gust as high as 15 mph.
Saturday
Sunny, with a high near 91. Light and variable wind becoming southwest around 5 mph in the morning. Winds could gust as high as 20 mph.
Saturday Night
Mostly clear, with a low around 70. Light and variable wind becoming southwest around 6 mph after midnight. Winds could gust as high as 26 mph.
Sunday
Sunny, with a high near 97. Southwest wind around 6 mph becoming light and variable in the afternoon. Winds could gust as high as 22 mph.
Sunday Night
Mostly clear, with a low around 67. Light and variable wind. Winds could gust as high as 16 mph.
Monday
Sunny, with a high near 80.
Monday Night
A chance of showers after midnight. Mostly clear, with a low around 51.
Tuesday
Mostly sunny, with a high near 69.
Tuesday Night
A chance of showers and thunderstorms after midnight. Mostly clear, with a low around 50.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 75.
Wednesday Night
Mostly clear, with a low around 58.
Thursday
Mostly sunny, with a high near 87.
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ABOUT THIS FORECAST

 
Point Forecast:
Hill City SD
 43.93°N 103.56°W (Elev. 5161 ft)
1:36 pm MDT Jul 31, 2026
2pm MDT Jul 31, 2026-6pm MDT Aug 6, 2026
 
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Additional Resources

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