Weather Forecast for Rapid City
South Dakota, United States of America
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Current Weather - Rapid City: 30°C
Current Weather - Rapid City: 30°C
South Dakota, United States of America
Sunny
Feels like 28°C
Wind
29 km/h S
Humidity
42%
Pressure
1017 mb
UV Index
6
Visibility
16 km
Sunny
Monday, July 13, 2026
High
40°C
Low
25°C
Rain Chance
0%
Hourly Forecast
39°C
39°C
37°C
35°C
32°C
30°C
Day Statistics
Maximum Wind
30 km/h
Humidity
30%
Precipitation
0 mm
UV Index
11
Visibility
10 km
Rain Chance
0%
Snow Chance
0%
Sun & Moon
Sunrise
05:22 AM
Sunset
08:35 PM
Moonrise
03:39 AM
Moonset
08:19 PM
Moon Phase
New Moon
Moon Illumination
0%
Air Quality
PM2.5
3
μg/m³
PM10
3.8
μg/m³
NO₂
1.5
μg/m³
O₃
88.7
μg/m³
SO₂
0.2
μg/m³
CO
103.4
μg/m³
Sunny
Tuesday, July 14, 2026
High
40°C
Low
22°C
Rain Chance
0%
Hourly Forecast
29°C
27°C
25°C
24°C
23°C
22°C
22°C
26°C
30°C
34°C
36°C
37°C
38°C
39°C
39°C
40°C
40°C
39°C
38°C
37°C
33°C
28°C
27°C
25°C
Day Statistics
Maximum Wind
28 km/h
Humidity
26%
Precipitation
0 mm
UV Index
11
Visibility
10 km
Rain Chance
0%
Snow Chance
0%
Sun & Moon
Sunrise
05:23 AM
Sunset
08:34 PM
Moonrise
04:58 AM
Moonset
09:04 PM
Moon Phase
New Moon
Moon Illumination
1%
Air Quality
PM2.5
3
μg/m³
PM10
3.7
μg/m³
NO₂
1.6
μg/m³
O₃
86.8
μg/m³
SO₂
0.3
μg/m³
CO
104
μg/m³
Sunny
Wednesday, July 15, 2026
High
39°C
Low
21°C
Rain Chance
0%
Hourly Forecast
25°C
24°C
25°C
23°C
22°C
21°C
21°C
25°C
28°C
31°C
33°C
34°C
35°C
37°C
38°C
38°C
39°C
38°C
38°C
36°C
33°C
29°C
28°C
27°C
Day Statistics
Maximum Wind
28 km/h
Humidity
28%
Precipitation
0 mm
UV Index
10
Visibility
10 km
Rain Chance
0%
Snow Chance
0%
Sun & Moon
Sunrise
05:23 AM
Sunset
08:33 PM
Moonrise
06:23 AM
Moonset
09:38 PM
Moon Phase
New Moon
Moon Illumination
3%
Air Quality
PM2.5
3.9
μg/m³
PM10
5.1
μg/m³
NO₂
1.5
μg/m³
O₃
104.4
μg/m³
SO₂
0.4
μg/m³
CO
109.7
μg/m³
Sunny
Thursday, July 16, 2026
High
38°C
Low
21°C
Rain Chance
0%
Hourly Forecast
27°C
27°C
25°C
23°C
22°C
21°C
22°C
26°C
29°C
31°C
32°C
34°C
36°C
36°C
37°C
38°C
38°C
38°C
38°C
36°C
33°C
30°C
30°C
27°C
Day Statistics
Maximum Wind
27 km/h
Humidity
28%
Precipitation
0 mm
UV Index
10
Visibility
10 km
Rain Chance
0%
Snow Chance
0%
Sun & Moon
Sunrise
05:24 AM
Sunset
08:33 PM
Moonrise
07:49 AM
Moonset
10:05 PM
Moon Phase
Waxing Crescent
Moon Illumination
8%
Air Quality
PM2.5
3.2
μg/m³
PM10
4.1
μg/m³
NO₂
1.7
μg/m³
O₃
105.3
μg/m³
SO₂
0.3
μg/m³
CO
112.5
μg/m³
Sunny
Friday, July 17, 2026
High
36°C
Low
22°C
Rain Chance
1%
Hourly Forecast
25°C
24°C
23°C
22°C
22°C
22°C
22°C
24°C
26°C
27°C
29°C
31°C
32°C
34°C
35°C
36°C
36°C
36°C
35°C
34°C
32°C
27°C
25°C
24°C
Day Statistics
Maximum Wind
19 km/h
Humidity
38%
Precipitation
0 mm
UV Index
9
Visibility
10 km
Rain Chance
1%
Snow Chance
0%
Sun & Moon
Sunrise
05:25 AM
Sunset
08:32 PM
Moonrise
09:11 AM
Moonset
10:28 PM
Moon Phase
Waxing Crescent
Moon Illumination
15%
Air Quality
PM2.5
1.8
μg/m³
PM10
1.9
μg/m³
NO₂
3.5
μg/m³
O₃
77.3
μg/m³
SO₂
0.3
μg/m³
CO
134.6
μg/m³
Sunny
Saturday, July 18, 2026
High
36°C
Low
21°C
Rain Chance
57%
Hourly Forecast
23°C
22°C
22°C
21°C
21°C
21°C
21°C
23°C
25°C
27°C
29°C
31°C
33°C
34°C
35°C
36°C
35°C
35°C
35°C
33°C
30°C
28°C
26°C
23°C
Day Statistics
Maximum Wind
24 km/h
Humidity
39%
Precipitation
1 mm
UV Index
9
Visibility
10 km
Rain Chance
57%
Snow Chance
0%
Sun & Moon
Sunrise
05:26 AM
Sunset
08:31 PM
Moonrise
10:29 AM
Moonset
10:49 PM
Moon Phase
Waxing Crescent
Moon Illumination
23%
Sunny
Sunday, July 19, 2026
High
40°C
Low
20°C
Rain Chance
36%
Hourly Forecast
21°C
21°C
21°C
20°C
21°C
21°C
21°C
25°C
28°C
32°C
34°C
36°C
38°C
39°C
39°C
40°C
39°C
38°C
36°C
33°C
30°C
27°C
28°C
29°C
Day Statistics
Maximum Wind
31 km/h
Humidity
38%
Precipitation
1 mm
UV Index
9
Visibility
10 km
Rain Chance
36%
Snow Chance
0%
Sun & Moon
Sunrise
05:27 AM
Sunset
08:30 PM
Moonrise
11:44 AM
Moonset
11:10 PM
Moon Phase
First Quarter
Moon Illumination
33%
Solar Radiation Data
Shortwave Radiation
409.32
Diffuse Radiation
48.11
DNI
0
GTI
0
Weather Alerts
Red Flag Warning issued July 12 at 9:01PM MDT until July 14 at 9:00PM MDT by NWS Rapid City SD
...RED FLAG WARNING HAS EXPIRED FOR NORTHERN CAMPBELL, SOUTHERN CAMPBELL, CROOK COUNTY PLAINS, AND WESTON COUNTY PLAINS... ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT TUESDAY DUE TO GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FALL RIVER COUNTY AREA, NORTHERN FOOT HILLS, EASTERN FOOT HILLS, CUSTER COUNTY PLAINS, PINE RIDGE AREA, BUTTE COUNTY AREA, PERKINS COUNTY, WEST CENTRAL PLAINS, ZIEBACH COUNTY, HAAKON COUNTY AREA, AND BADLANDS AREA... ... * AFFECTED AREA...Fire Weather Zones 322, 323, 324, 325, 326, 327, 328, 329, 330, 331, and 332. * TIMING...Until 9 PM MDT Tuesday. * WINDS...South winds 15 to 25 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...Relative Humidity as low as 14 percent. * IMPACTS...Any fires that develop will spread rapidly. Outdoor burning is not recommended.
A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior.
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