National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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 >

Hazardous Weather Conditions

Current conditions at

Rapid City, Rapid City Regional Airport (KRAP)

Lat: 44.05°NLon: 103.05°WElev: 3202ft.

Fair

61°F

16°C

Humidity 78%
Wind Speed SE 8 mph
Barometer 30.17 in (1019.1 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 1 Aug 3:52 am MDT
Extended Forecast for

Rapid City Regional Airport SD

Heat Advisory August 2, 10:00am until August 2, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: Sunny, with a high near 99. South wind 7 to 15 mph, with gusts as high as 30 mph.

    High: 99 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 69. South wind 15 to 18 mph, with gusts as high as 34 mph.

    Low: 69 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 105. South wind 13 to 18 mph becoming north in the afternoon. Winds could gust as high as 34 mph.

    High: 105 °F

    Hot

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 67. North wind 7 to 12 mph becoming northwest 13 to 18 mph after midnight. Winds could gust as high as 33 mph.

    Low: 67 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 86. Windy, with a north wind 22 to 30 mph, with gusts as high as 47 mph.

    High: 86 °F

    Mostly Sunny
    and Windy

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms after midnight. Partly cloudy, with a low around 55. Breezy, with a north wind 19 to 24 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 38 mph.

    Low: 55 °F

    Mostly Clear
    and Breezy
    then Chance
    Showers

  • Tuesday

    Tuesday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of showers after midnight. Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of showers, with thunderstorms also possible after noon. Mostly sunny, with a high near 85.

    High: 85 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

Detailed Forecast

Today
Sunny, with a high near 99. South wind 7 to 15 mph, with gusts as high as 30 mph.
Tonight
Mostly clear, with a low around 69. South wind 15 to 18 mph, with gusts as high as 34 mph.
Sunday
Sunny and hot, with a high near 105. South wind 13 to 18 mph becoming north in the afternoon. Winds could gust as high as 34 mph.
Sunday Night
Partly cloudy, with a low around 67. North wind 7 to 12 mph becoming northwest 13 to 18 mph after midnight. Winds could gust as high as 33 mph.
Monday
Mostly sunny, with a high near 86. Windy, with a north wind 22 to 30 mph, with gusts as high as 47 mph.
Monday Night
A 30 percent chance of showers and thunderstorms after midnight. Partly cloudy, with a low around 55. Breezy, with a north wind 19 to 24 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 38 mph.
Tuesday
Mostly sunny, with a high near 77.
Tuesday Night
A slight chance of showers after midnight. Mostly clear, with a low around 54.
Wednesday
A slight chance of showers, with thunderstorms also possible after noon. Mostly sunny, with a high near 85.
Wednesday Night
Mostly clear, with a low around 58.
Thursday
Sunny, with a high near 95.
Thursday Night
Mostly clear, with a low around 62.
Friday
A slight chance of showers and thunderstorms. Sunny, with a high near 95.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Rapid City Regional Airport SD
 44.04°N 103.06°W (Elev. 3100 ft)
Last Update:
2:17 am MDT Aug 1, 2026
Forecast Valid:
4am MDT Aug 1, 2026-6pm MDT Aug 7, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation