934  
FOUS53 KUNR 150736  
PFMUNR  
 
POINT FORECAST MATRICES  
NATIONAL WEATHER SERVICE RAPID CITY SD  
135 AM MDT SAT AUG 15 2026  
 
SDZ026-161000-  
RAPID CITY REGIONAL AIRPORT-PENNINGTON SD  
44.05N 103.06W ELEV. 3204 FT  
135 AM MDT SAT AUG 15 2026  
 
DATE 08/14/26 SAT 08/15/26 SUN 08/16/26 MON  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 60 79 56 81 56  
TEMP 65 64 67 72 76 73 65 60 58 56 65 75 77 78 66 61 58 56  
DEWPT 60 60 62 61 60 62 60 59 58 56 61 63 63 63 62 61 58 56  
RH 84 87 84 68 58 68 84 96100100 87 66 62 60 87100100100  
WIND DIR NW N N N W W W NW NW NW SE S S E S SW SW W  
WIND SPD 9 12 13 12 8 5 4 3 2 1 4 10 9 8 5 4 4 4  
WIND GUST 23 25 24 24 20 17 20 21 20  
CLOUDS B2 B2 B1 B1 B2 B1 SC FW SC SC SC FW SC B1 FW FW FW FW  
POP 12HR 20 40 30 50 40  
QPF 12HR 0 0.13 0.02 0.06 0.03  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S C C C C C C C C C C S S  
TSTMS S S S C C C C C C C S  
 
DATE 08/17/26 TUE 08/18/26 WED 08/19/26 THU 08/20/26 FRI 08/21/26  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 86 58 81 54 80 55 85 57 88  
TEMP 81 81 63 58 76 75 60 54 74 75 60 56 79 81 63 58 82 84  
DEWPT 60 60 59 57 61 60 57 54 59 59 56 55 58 56 55 53 56 54  
PWIND DIR NE W N NW NE S SE SW NE  
WIND CHAR LT LT GN LT LT LT LT LT LT  
AVG CLOUDS FW SC SC B1 B2 B1 B1 B1 SC SC SC FW FW FW FW FW SC FW  
POP 12HR 20 40 50 30 30 20 10 10 5  
RAIN SHWRS S C C S C C S C S  
TSTMS S C S C C C S  
 
 
WYZ054-161000-  
NORTHEAST WYOMING REGIONAL AIRPORT-CAMPBELL WY  
44.35N 105.54W ELEV. 4364 FT  
135 AM MDT SAT AUG 15 2026  
 
DATE 08/14/26 SAT 08/15/26 SUN 08/16/26 MON  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 55 76 53 83 55  
TEMP 55 55 64 68 73 73 66 60 57 55 65 76 80 82 69 63 59 56  
DEWPT 52 53 58 57 54 54 55 56 56 55 60 57 54 51 52 54 54 53  
RH 90 93 81 68 51 51 68 87 96100 84 52 41 34 55 72 83 90  
WIND DIR N NW N N N N E S S S S S N N NE SE S SW  
WIND SPD 3 3 5 6 6 5 4 3 4 6 9 6 5 6 4 4 4 4  
WIND GUST 17 19 18 14 14 18 17 20 19  
CLOUDS B1 B2 B2 B1 B1 SC SC FW FW FW SC FW SC FW FW FW FW FW  
POP 12HR 30 40 30 10 20  
QPF 12HR 0.02 0.06 0.01 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C C S C C C C S S  
TSTMS S S S C C C C S  
 
DATE 08/17/26 TUE 08/18/26 WED 08/19/26 THU 08/20/26 FRI 08/21/26  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 87 57 81 52 81 53 86 56 90  
TEMP 80 85 65 58 74 76 60 54 75 79 62 56 80 84 65 57 84 88  
DEWPT 52 46 52 53 53 49 52 52 51 46 49 50 47 42 45 48 46 42  
PWIND DIR W SW NW NW NW SE SW SE SE  
WIND CHAR LT LT GN LT LT LT LT LT LT  
AVG CLOUDS FW SC B1 B2 B2 B1 SC B1 SC SC FW FW SC FW FW FW SC FW  
POP 12HR 5 40 50 40 30 10 5 5 5  
RAIN SHWRS C C C C C C S  
TSTMS C C S C S  
 
 
SDZ001-161000-  
BUFFALO-HARDING SD  
45.60N 103.55W ELEV. 3004 FT  
135 AM MDT SAT AUG 15 2026  
 
DATE 08/14/26 SAT 08/15/26 SUN 08/16/26 MON  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 56 80 54 81 55  
TEMP 60 59 64 72 78 74 65 59 56 54 63 75 77 73 65 61 58 56  
DEWPT 58 57 58 55 54 55 56 56 55 54 57 59 58 60 60 60 58 56  
RH 93 93 81 55 43 51 73 90 96100 81 58 52 64 84 97100100  
WIND DIR NW NW NW NW NW N NE NE E E SE S S S SE S S W  
WIND SPD 6 8 10 12 11 10 6 4 3 3 6 10 9 9 9 8 5 5  
WIND GUST 20 23 24 20 20 20  
CLOUDS SC B2 B1 SC SC SC SC SC FW SC FW FW B1 SC FW FW FW SC  
POP 12HR 0 5 5 40 30  
QPF 12HR 0 0 0 0.01 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C C C C  
TSTMS S S S S  
 
DATE 08/17/26 TUE 08/18/26 WED 08/19/26 THU 08/20/26 FRI 08/21/26  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 87 56 79 51 80 53 85 54 88  
TEMP 82 80 63 57 74 71 57 52 73 74 59 54 79 79 62 55 82 82  
DEWPT 57 55 57 55 58 57 57 52 56 53 55 52 54 51 53 51 53 51  
PWIND DIR W NE NW N N SE SW SE S  
WIND CHAR LT LT GN GN LT GN LT LT LT  
AVG CLOUDS SC SC B1 B2 B2 B1 B1 B1 SC SC SC SC SC FW SC SC SC FW  
POP 12HR 5 40 60 40 20 20 20 10 5  
RAIN SHWRS C C C L C S S S S  
TSTMS C S S C C S  
 
 
SDZ029-161000-  
CUSTER COUNTY AIRPORT-CUSTER SD  
43.73N 103.62W ELEV. 5602 FT  
135 AM MDT SAT AUG 15 2026  
 
DATE 08/14/26 SAT 08/15/26 SUN 08/16/26 MON  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 54 68 51 75 52  
TEMP 60 58 64 65 66 63 58 56 54 52 62 69 72 70 61 58 55 53  
DEWPT 53 53 58 58 58 59 58 56 53 52 59 59 57 57 57 56 53 52  
RH 78 83 81 78 75 87100100 96100 90 70 59 63 87 93 93 96  
WIND DIR N N N S E NE NW NW N N S S S SE E W NW NW  
WIND SPD 3 1 2 2 3 3 1 1 0 0 3 5 5 3 2 2 3 3  
WIND GUST 12 14 13 16 18 16  
CLOUDS B2 B2 B1 B2 B2 B2 B2 SC SC SC SC SC FW FW FW FW FW FW  
POP 12HR 40 60 70 40 40  
QPF 12HR 0.03 0.50 0.10 0.06 0.01  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C C C L L L L C C C C  
TSTMS S S S L L C C C C C S  
 
DATE 08/17/26 TUE 08/18/26 WED 08/19/26 THU 08/20/26 FRI 08/21/26  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 80 55 77 50 74 51 79 53 82  
TEMP 79 72 61 55 75 70 56 51 70 69 57 53 75 75 59 55 79 77  
DEWPT 52 53 54 51 54 53 52 50 52 51 50 50 49 48 48 47 48 48  
PWIND DIR W N NW NW W W W N SE  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS FW SC SC B1 B2 B1 B1 B1 SC SC SC FW FW FW FW FW SC FW  
POP 12HR 30 40 50 40 40 30 20 5 10  
RAIN SHWRS C C C S C C S C C C S  
TSTMS C C S C C C C S  
 
 
SDZ013-161000-  
FAITH MUNICIPAL AIRPORT-MEADE SD  
45.04N 102.02W ELEV. 2584 FT  
135 AM MDT SAT AUG 15 2026  
 
DATE 08/14/26 SAT 08/15/26 SUN 08/16/26 MON  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 59 78 55 79 56  
TEMP 65 63 64 71 77 76 67 61 57 55 62 72 77 76 66 62 58 57  
DEWPT 63 61 61 60 58 57 58 57 56 55 59 60 60 60 61 60 58 57  
RH 93 93 90 68 52 52 73 87 96100 90 66 56 58 84 93100100  
WIND DIR NW NW NW NW N N N NE NE NE SE SE SE S SE S S SW  
WIND SPD 6 11 13 12 11 9 6 4 3 3 4 5 5 5 8 9 6 5  
WIND GUST 24 23 21 17 17  
CLOUDS B2 B2 SC SC SC SC B1 SC SC SC SC FW FW B2 B1 FW FW SC  
POP 12HR 10 5 5 20 40  
QPF 12HR 0 0 0 0.02 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S C C C C  
TSTMS S C S  
 
DATE 08/17/26 TUE 08/18/26 WED 08/19/26 THU 08/20/26 FRI 08/21/26  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 85 58 78 52 77 53 82 55 86  
TEMP 78 82 65 59 73 73 59 53 70 74 59 55 75 79 63 56 79 83  
DEWPT 63 57 59 59 62 59 59 53 60 56 57 55 59 56 58 55 58 54  
PWIND DIR W S N N N SE S SE SE  
WIND CHAR LT LT GN LT GN GN LT LT LT  
AVG CLOUDS SC SC B1 B2 B2 B2 B1 B1 B1 SC SC SC SC SC FW FW SC FW  
POP 12HR 5 30 50 40 20 20 10 10 5  
RAIN SHWRS S C C C C S S S S  
TSTMS S S S C C S  
 
 
SDZ042-161000-  
PINE RIDGE AIRPORT-OGLALA LAKOTA SD  
43.02N 102.51W ELEV. 3333 FT  
135 AM MDT SAT AUG 15 2026  
 
DATE 08/14/26 SAT 08/15/26 SUN 08/16/26 MON  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 62 76 55 84 57  
TEMP 71 68 69 75 76 75 68 64 58 56 67 79 83 81 69 65 61 58  
DEWPT 61 61 61 61 58 58 61 60 58 56 60 61 58 59 62 61 59 58  
RH 71 78 76 62 54 55 78 87100100 78 54 43 47 78 87 93100  
WIND DIR W N N N N NE NE SW S SE SE S S SE SE S S SW  
WIND SPD 3 5 10 11 10 9 3 1 0 1 3 5 5 8 9 6 5 4  
WIND GUST 18  
CLOUDS OV OV B1 SC B1 B2 B1 SC SC FW FW FW SC FW SC FW FW FW  
POP 12HR 30 30 30 40 40  
QPF 12HR 0.03 0.02 0.04 0.05 0.07  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S S C C C C C C C C  
TSTMS S S S C C C C S C C C  
 
DATE 08/17/26 TUE 08/18/26 WED 08/19/26 THU 08/20/26 FRI 08/21/26  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 88 58 84 54 81 55 85 57 88  
TEMP 83 86 68 59 80 80 63 54 76 78 64 57 80 83 66 58 84 86  
DEWPT 60 56 60 57 61 57 59 54 57 55 57 56 58 54 57 56 56 53  
PWIND DIR W SE N N N SE S S W  
WIND CHAR LT LT GN LT LT LT LT LT LT  
AVG CLOUDS FW FW SC B1 B1 B1 B1 B1 SC SC SC SC SC FW FW FW SC FW  
POP 12HR 5 30 20 40 30 30 10 10 10  
RAIN SHWRS S C S C C S C C S  
TSTMS S C S C S C  
 
 
SDZ032-161000-  
PHILIP AIRPORT-HAAKON SD  
44.05N 101.60W ELEV. 2209 FT  
135 AM MDT SAT AUG 15 2026  
 
DATE 08/14/26 SAT 08/15/26 SUN 08/16/26 MON  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 63 83 57 81 57  
TEMP 68 67 69 75 81 79 69 63 58 57 66 76 79 80 68 63 60 58  
DEWPT 66 65 64 63 61 60 61 59 58 57 60 60 61 62 63 61 60 58  
RH 93 93 84 66 51 52 76 87100100 81 58 54 54 84 93100100  
WIND DIR N N N N N N NW N NE E E SE SE SE E SE S SW  
WIND SPD 6 11 12 12 11 10 5 3 2 2 3 5 6 9 10 8 6 3  
WIND GUST 23 21 17 19  
CLOUDS OV OV SC SC SC B1 B1 SC SC SC SC FW FW SC B1 SC FW SC  
POP 12HR 30 10 5 20 60  
QPF 12HR 0.01 0 0 0 0.03  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S S L L C C  
TSTMS S S C S S  
 
DATE 08/17/26 TUE 08/18/26 WED 08/19/26 THU 08/20/26 FRI 08/21/26  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 86 59 81 54 79 55 84 56 87  
TEMP 80 85 65 60 77 77 60 55 73 77 60 56 78 82 63 57 81 84  
DEWPT 64 61 62 60 64 63 60 55 61 60 58 56 61 60 59 57 61 59  
PWIND DIR NW S N N N SE S SE E  
WIND CHAR LT LT GN LT LT GN LT LT LT  
AVG CLOUDS FW SC SC B1 B2 B2 B1 B1 B1 SC SC SC SC FW FW SC SC FW  
POP 12HR 5 50 50 40 20 30 10 10 5  
RAIN SHWRS S C C C C S S S C C  
TSTMS S C S C C C S  
 
 
SDZ049-161000-  
WINNER REGIONAL AIRPORT-TRIPP SD  
43.39N 99.84W ELEV. 2032 FT  
235 AM CDT SAT AUG 15 2026  
 
DATE 08/14/26 SAT 08/15/26 SUN 08/16/26 MON  
CDT 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 68 82 59 81 60  
TEMP 70 69 72 75 80 77 70 66 61 59 67 76 79 78 69 65 63 61  
DEWPT 68 68 71 70 67 67 66 64 61 59 63 63 62 63 65 64 63 61  
RH 93 97 97 84 65 71 87 93100100 87 64 56 60 87 97100100  
WIND DIR S SW NW N N N N N N N NE NE NE E SE S S S  
WIND SPD 8 8 11 12 11 9 6 5 4 3 3 5 5 5 8 9 9 10  
WIND GUST 21 16  
CLOUDS B2 OV B2 B2 B1 SC B1 B1 FW FW CL CL FW FW SC B1 B1 B1  
POP 12HR 30 40 5 5 70  
QPF 12HR 0.04 0.05 0 0 0.06  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C C C S S S S L L S  
TSTMS S S S S S S S  
OBVIS PF PF  
 
DATE 08/17 TUE 08/18/26 WED 08/19/26 THU 08/20/26 FRI 08/21/26  
CDT 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 86 62 82 57 77 56 81 59 85  
TEMP 81 82 67 63 78 76 63 58 73 73 61 58 77 78 64 60 80 81  
DEWPT 69 68 67 63 69 68 63 58 63 63 61 58 65 66 64 60 66 65  
PWIND DIR SW S NE N N SE S S S  
WIND CHAR GN LT GN GN GN GN GN GN GN  
AVG CLOUDS SC SC SC B1 B2 B2 B1 B1 B2 SC SC SC SC FW FW FW SC FW  
POP 12HR 20 50 50 40 20 30 20 30 5  
RAIN SHWRS S S C C C C C S C C S C  
TSTMS S C C C C C C S C  
 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.
The Nexlab SD Page
The Nexlab WY Page
Main Text Page