518
FOUS53 KUNR 181848
PFMUNR
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE RAPID CITY SD
1248 PM MDT MON MAY 18 2026
SDZ026-182200-
RAPID CITY REGIONAL AIRPORT-PENNINGTON SD
44.05N 103.06W ELEV. 3204 FT
1248 PM MDT MON MAY 18 2026
DATE MON 05/18/26 TUE 05/19/26 WED 05/20/26
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 43 30 60 34 67
TEMP 41 41 39 36 32 31 42 52 58 59 47 41 36 36 54 62 66 65
DEWPT 38 37 35 33 30 30 31 28 28 28 31 30 29 29 36 38 38 38
RH 89 85 85 89 92 96 65 39 32 30 53 65 75 75 50 41 36 37
WIND DIR N N NW NW NW NW N N N E SE S S S S S S S
WIND SPD 19 17 13 8 5 5 6 5 4 4 5 4 4 8 19 23 20 21
WIND GUST 34 32 27 21 20 19 17 16 14 32 39 35 35
CLOUDS OV OV OV B1 SC SC FW FW FW FW FW FW FW FW FW SC SC SC
POP 12HR 80 30 5 0 20
QPF 12HR 0.18 0.01 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS L C S S S
TSTMS S
FREEZE W W W
DATE THU 05/21/26 FRI 05/22/26 SAT 05/23/26 SUN 05/24/26
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 41 69 41 65 42 75 46 86
TEMP 48 42 67 62 48 44 59 63 48 44 69 74 53 48 81 83
DEWPT 38 37 39 41 41 39 38 38 39 37 38 39 40 38 39 39
PWIND DIR S S SW N W S S E
WIND CHAR GN BZ GN GN LT LT LT GN
AVG CLOUDS SC FW SC B1 B1 B1 B2 B1 B1 SC SC SC SC FW FW FW
POP 12HR 5 60 50 40 20 20 5 10
RAIN SHWRS L C C C C S S
TSTMS C C S S
WYZ054-182200-
NORTHEAST WYOMING REGIONAL AIRPORT-CAMPBELL WY
44.35N 105.54W ELEV. 4364 FT
1248 PM MDT MON MAY 18 2026
DATE MON 05/18/26 TUE 05/19/26 WED 05/20/26
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 41 25 58 34 68
TEMP 40 40 37 33 28 27 40 51 56 58 46 41 38 36 50 65 68 66
DEWPT 31 29 28 28 27 26 28 25 22 21 24 24 24 24 29 26 25 25
RH 70 64 70 82 96 96 62 36 26 23 42 50 57 61 44 23 20 21
WIND DIR N N N W W SW W W W SW S S S S S S W W
WIND SPD 16 12 8 3 3 5 5 4 3 4 8 11 11 12 13 8 4 5
WIND GUST 27 24 13 21 23
CLOUDS OV OV B2 SC FW FW FW CL FW SC SC FW FW FW FW FW SC SC
POP 12HR 50 10 0 0 0
QPF 12HR 0.03 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C
SNOWSHWRS C
FREEZE W W W
DATE THU 05/21/26 FRI 05/22/26 SAT 05/23/26 SUN 05/24/26
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 38 61 37 63 39 73 45 82
TEMP 47 39 57 55 44 40 57 61 46 43 68 72 53 49 77 79
DEWPT 31 32 36 36 36 35 35 33 34 33 34 32 34 33 34 33
PWIND DIR NW NW NW NW SW SW S W
WIND CHAR LT GN GN LT LT LT LT LT
AVG CLOUDS SC B1 B1 B1 B1 B1 B1 B1 SC SC FW FW FW FW FW FW
POP 12HR 0 60 60 30 20 5 0 0
RAIN SHWRS S L L C C C S
TSTMS S S
SDZ001-182200-
BUFFALO-HARDING SD
45.60N 103.55W ELEV. 3004 FT
1248 PM MDT MON MAY 18 2026
DATE MON 05/18/26 TUE 05/19/26 WED 05/20/26
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 47 31 60 35 71
TEMP 47 45 41 38 34 32 41 51 58 60 48 43 39 37 54 68 70 69
DEWPT 32 33 33 33 32 31 31 26 25 23 26 27 28 29 33 31 31 34
RH 56 62 73 82 92 96 67 37 28 24 42 53 64 72 45 25 23 27
WIND DIR NW N NW NW NW NW NW NW NW NW SE SE S S S S S SE
WIND SPD 17 14 11 8 6 5 8 6 4 4 6 11 11 9 11 13 13 19
WIND GUST 27 19 17 24
CLOUDS OV OV OV B2 B1 B1 SC FW FW FW SC FW SC FW FW FW SC SC
POP 12HR 20 20 5 0 5
QPF 12HR 0.01 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S S
FREEZE W W W
DATE THU 05/21/26 FRI 05/22/26 SAT 05/23/26 SUN 05/24/26
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 40 67 39 65 40 74 45 83
TEMP 50 41 63 61 47 42 60 63 49 43 68 73 55 47 78 81
DEWPT 41 39 41 40 42 39 38 37 39 39 39 38 41 40 40 38
PWIND DIR SE E N NW SE S SE W
WIND CHAR GN GN GN GN LT LT GN GN
AVG CLOUDS SC B1 B1 B1 B1 B1 B1 B1 B1 SC SC FW FW FW FW FW
POP 12HR 5 40 50 30 20 5 5 5
RAIN SHWRS C C C C C S
TSTMS S S
SDZ029-182200-
CUSTER COUNTY AIRPORT-CUSTER SD
43.73N 103.62W ELEV. 5602 FT
1248 PM MDT MON MAY 18 2026
DATE MON 05/18/26 TUE 05/19/26 WED 05/20/26
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 37 24 52 31 58
TEMP 36 35 33 29 26 25 36 47 51 51 39 35 33 34 48 53 57 57
DEWPT 28 29 29 26 24 23 25 21 21 20 26 24 22 24 33 33 31 29
RH 72 78 85 88 92 92 64 35 30 29 59 64 63 66 56 46 37 34
WIND DIR N N N W NW W NW NW W S SW SW SW SW S S S S
WIND SPD 8 5 3 2 2 2 3 3 4 3 1 1 2 3 8 9 8 6
WIND GUST 23 18 16 12 12 14 18 14 20 20 20 19
CLOUDS OV OV B2 SC SC FW FW FW FW SC FW FW FW FW SC SC SC FW
POP 12HR 70 30 10 0 30
QPF 12HR 0.05 0.01 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS L C C C C C
SNOWSHWRS L C C
TSTMS S
DATE THU 05/21/26 FRI 05/22/26 SAT 05/23/26 SUN 05/24/26
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 37 61 37 57 38 68 44 78
TEMP 42 38 59 54 43 40 52 55 44 41 62 67 50 47 73 76
DEWPT 34 31 33 37 37 35 34 33 34 33 33 31 34 33 32 32
PWIND DIR SW S N NW NW SW SW W
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS FW FW SC B1 B1 B1 B2 B1 B1 SC SC SC FW FW FW FW
POP 12HR 5 60 70 50 30 20 5 10
RAIN SHWRS L L L C C C S
TSTMS C C C S S
SDZ013-182200-
FAITH MUNICIPAL AIRPORT-MEADE SD
45.04N 102.02W ELEV. 2584 FT
1248 PM MDT MON MAY 18 2026
DATE MON 05/18/26 TUE 05/19/26 WED 05/20/26
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 47 31 58 33 69
TEMP 45 44 40 37 34 32 41 49 56 58 46 40 36 34 51 66 68 64
DEWPT 41 37 35 35 34 32 33 30 28 27 29 30 31 32 35 37 39 39
RH 86 76 82 92100100 73 48 34 30 51 67 82 92 54 34 34 40
WIND DIR N N N NW NW NW NW NW NW N SE SE SE SE S S S S
WIND SPD 14 12 9 8 8 8 10 9 6 3 6 10 11 12 17 19 24 23
WIND GUST 26 23 19 18 13 21 29 34
CLOUDS OV OV OV B2 B1 B1 B1 B1 FW FW SC SC FW FW FW FW SC SC
POP 12HR 80 50 5 0 5
QPF 12HR 0.12 0.02 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS D C S
FREEZE W W W
DATE THU 05/21/26 FRI 05/22/26 SAT 05/23/26 SUN 05/24/26
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 40 70 40 64 40 74 45 84
TEMP 48 41 66 63 48 43 59 63 47 43 67 73 53 47 77 82
DEWPT 39 39 42 43 42 41 41 39 39 40 42 41 42 43 44 42
PWIND DIR SE SE SE N SE S SE SW
WIND CHAR BZ BZ GN GN GN LT GN GN
AVG CLOUDS SC SC SC B1 B1 B1 B1 B1 B1 SC SC SC FW SC SC FW
POP 12HR 5 40 60 30 20 10 5 0
RAIN SHWRS C L C C C S S
TSTMS S C S
SDZ042-182200-
PINE RIDGE AIRPORT-OGLALA LAKOTA SD
43.02N 102.51W ELEV. 3333 FT
1248 PM MDT MON MAY 18 2026
DATE MON 05/18/26 TUE 05/19/26 WED 05/20/26
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 42 30 59 35 63
TEMP 41 39 37 35 33 31 41 51 57 59 47 41 39 38 50 59 62 61
DEWPT 39 37 36 35 33 31 32 28 25 22 27 27 28 31 38 37 36 36
RH 92 92 96100100100 70 41 29 24 45 57 64 76 63 44 38 39
WIND DIR N N N NW NW W NW NW W W SE SE S S S S S S
WIND SPD 14 13 9 4 2 2 3 5 4 3 3 6 8 9 13 19 19 20
WIND GUST 27 26 20 16 13 16 13 18 20 24 31 32 32
CLOUDS OV OV OV B2 B2 SC SC SC FW FW FW CL FW SC B1 B1 B1 SC
POP 12HR 90 50 5 0 40
QPF 12HR 0.15 0.02 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS D C C C C S S
TSTMS
FREEZE W W W
DATE THU 05/21/26 FRI 05/22/26 SAT 05/23/26 SUN 05/24/26
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 39 69 39 65 40 76 45 86
TEMP 48 40 66 63 48 42 60 63 48 44 70 75 55 49 80 83
DEWPT 37 37 39 40 42 40 37 36 39 38 37 36 40 39 37 37
PWIND DIR S S S NW S SW S SW
WIND CHAR BZ GN GN GN LT LT LT LT
AVG CLOUDS SC FW SC B1 B1 B1 B2 B1 SC SC SC FW FW FW FW FW
POP 12HR 0 40 70 50 20 10 5 5
RAIN SHWRS C L C C C S
TSTMS C C S S C S
SDZ032-182200-
PHILIP AIRPORT-HAAKON SD
44.05N 101.60W ELEV. 2209 FT
1248 PM MDT MON MAY 18 2026
DATE MON 05/18/26 TUE 05/19/26 WED 05/20/26
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 48 30 60 33 66
TEMP 46 44 40 36 33 31 43 52 58 60 45 39 35 35 54 64 64 63
DEWPT 40 38 37 36 33 31 35 30 28 27 30 30 31 31 37 39 39 39
RH 79 79 89100100100 73 43 32 28 55 70 85 85 52 40 40 41
WIND DIR N N N NW NW NW NW NW NW N E SE SE S S S S S
WIND SPD 17 13 9 6 5 6 10 10 6 3 5 6 6 8 13 20 25 23
WIND GUST 29 25 20 20 20 17 32 37 34
CLOUDS OV OV OV OV B1 B1 SC B1 FW FW FW FW CL FW SC B1 B1 B1
POP 12HR 80 70 10 0 20
QPF 12HR 0.13 0.03 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS D L S S S
FREEZE W W W
DATE THU 05/21/26 FRI 05/22/26 SAT 05/23/26 SUN 05/24/26
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 39 71 41 66 41 76 46 88
TEMP 47 40 68 66 48 43 61 65 47 43 70 75 53 48 81 85
DEWPT 37 37 42 42 41 40 40 38 39 39 41 39 41 41 43 41
PWIND DIR S S SE N SW SW SE SW
WIND CHAR BZ BZ GN GN LT LT GN GN
AVG CLOUDS SC SC SC B1 B1 B1 B2 B1 B1 SC B1 SC FW FW FW FW
POP 12HR 5 30 60 60 20 10 5 5
RAIN SHWRS C L C L C S
TSTMS S C C S
SDZ049-182200-
WINNER REGIONAL AIRPORT-TRIPP SD
43.39N 99.84W ELEV. 2032 FT
148 PM CDT MON MAY 18 2026
DATE MON 05/18/26 TUE 05/19/26 WED 05/20/26
CDT 3HRLY 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 48 34 57 34 64
TEMP 45 44 40 39 36 35 43 51 55 57 44 39 36 37 55 62 63 60
DEWPT 41 41 40 39 36 35 38 36 34 33 35 34 33 34 39 39 38 38
RH 86 89100100100100 82 56 45 40 70 82 89 89 55 43 39 44
WIND DIR N N N NW NW NW NW NW NW NW E SE S S S S S S
WIND SPD 19 20 19 14 12 11 14 14 11 6 4 6 9 11 18 19 19 18
WIND GUST 29 32 25 24 21 26 27 23 17 29
CLOUDS OV OV OV OV B2 B1 B2 B1 SC FW FW FW FW FW SC B1 B2 B2
POP 12HR 60 60 5 0 5
QPF 12HR 0.05 0.01 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS L L C
DATE THU 05/21/26 FRI 05/22/26 SAT 05/23/26 SUN 05/24/26
CDT 6HRLY 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 42 67 43 65 43 74 49 85
TEMP 49 43 64 67 51 46 60 64 49 47 69 73 55 52 80 83
DEWPT 37 38 43 43 44 43 43 42 44 42 44 44 46 45 48 48
PWIND DIR S S SE SE W W S S
WIND CHAR BZ BZ BZ GN GN GN GN GN
AVG CLOUDS B2 B1 B1 B1 B1 B2 B2 B1 B1 B1 B1 SC SC FW SC FW
POP 12HR 5 20 50 50 30 20 10 10
RAIN SHWRS S C C C C C S S
TSTMS S S C C S
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