596
FOUS53 KBIS 181736
PFMBIS
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE BISMARCK ND
1236 PM CDT MON MAY 18 2026
NDZ015-182100-
BISMARCK/MANDAN-BURLEIGH/MORTON ND
46.79N 100.78W ELEV. 1643 FT
1236 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 33 56 32 71
TEMP 43 45 46 43 40 38 37 43 48 53 55 45 39 37 38 53 64 69 68
DEWPT 37 36 35 36 36 35 34 34 31 29 28 31 32 31 32 38 38 38 38
RH 79 70 65 76 85 89 89 70 51 39 35 58 76 79 79 57 38 32 33
WIND DIR N N N N NW NW NW NW NW NW NW N SE SE SE S S S S
WIND SPD 14 13 12 10 9 8 8 9 10 9 5 0 5 6 10 14 19 19 19
WIND GUST 31 29
CLOUDS OV B2 B2 B2 B2 B2 OV B1 B2 B1 FW FW FW FW B2 FW FW SC SC
POP 12HR 30 10 5 0 0
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C
WIND CHILL 36 38 37 34 32 31 31
MIN CHILL 35 37 34 31 31 35 30 36
FROST Y Y Y
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 70 42 67 42 73 46 83
TEMP 51 46 65 66 51 46 62 64 50 46 67 72 54 50 75 80
DEWPT 41 38 42 42 43 41 41 40 42 40 43 42 44 42 47 46
PWIND DIR S S SE SE SE S SE S
WIND CHAR GN GN GN GN LT LT LT GN
AVG CLOUDS SC SC B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC FW FW
POP 12HR 10 40 50 40 20 20 5 10
RAIN SHWRS C C C C C S S S
TSTMS S S S
NDZ033-182100-
DICKINSON-STARK ND
46.80N 102.81W ELEV. 2591 FT
1136 AM 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 44 30 57 34 72
TEMP 40 43 43 39 36 34 33 41 48 54 57 45 39 39 40 55 67 70 68
DEWPT 38 36 33 33 34 33 33 31 29 26 24 28 28 28 29 33 32 31 34
RH 92 76 67 79 92 96100 67 47 34 28 51 64 64 64 43 27 23 28
WIND DIR N N N N NW NW NW NW NW NW NW E SE S S S S S S
WIND SPD 14 14 13 10 9 6 8 10 8 5 2 9 12 14 17 17 18 18 16
CLOUDS OV B2 OV OV B2 B2 B2 B1 SC FW FW FW SC SC B1 SC SC SC B1
POP 12HR 20 30 0 0 5
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C S
TSTMS S
WIND CHILL 32 35 36 32 29 28 26 35 31 31 31
MIN CHILL 32 33 29 26 28 31 30 35
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 82
TEMP 48 44 63 62 47 44 61 63 47 45 68 72 53 50 77 79
DEWPT 42 40 41 40 42 40 39 37 40 39 40 39 42 42 42 40
PWIND DIR S SE SW NW SE S S SW
WIND CHAR GN GN GN GN GN GN GN GN
AVG CLOUDS B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC SC SC FW SC
POP 12HR 20 40 50 30 10 10 5 10
RAIN SHWRS S C C C C C
TSTMS S S C
NDZ044-182100-
HETTINGER-ADAMS ND
45.99N 102.63W ELEV. 2703 FT
1136 AM 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 45 28 58 31 71
TEMP 41 43 44 39 35 33 32 42 49 55 57 44 38 36 36 55 67 69 66
DEWPT 38 37 33 34 34 33 32 31 28 26 24 27 28 28 29 34 33 34 36
RH 89 79 65 82 96100100 65 44 32 28 51 67 72 75 45 28 27 33
WIND DIR N N N N N NW NW NW NW NW NW SE SE S S S S S S
WIND SPD 14 16 14 9 6 4 5 10 10 6 3 5 9 10 11 13 18 19 20
WIND GUST 19 21 21 24 28 29 31
CLOUDS OV OV OV B2 B2 B1 B1 B1 B1 FW FW FW FW FW SC FW FW SC SC
POP 12HR 40 20 0 0 0
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C S
WIND CHILL 33 35 37 33 29 26 36 32 29 28
MIN CHILL 33 34 29 26 28 32 27 34
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 37 68 37 65 37 73 42 82
TEMP 47 41 63 62 46 41 60 63 46 42 68 72 52 46 77 79
DEWPT 41 38 41 40 42 39 39 36 40 39 40 39 42 41 42 39
PWIND DIR SE SE S N SE S SE SW
WIND CHAR GN GN GN GN LT LT LT GN
AVG CLOUDS SC SC B1 B1 B1 B1 B1 B1 B1 SC SC FW SC FW FW FW
POP 12HR 10 40 60 30 20 10 5 5
RAIN SHWRS C L C C C S
TSTMS S C
NDZ056-182100-
MINOT-WARD ND
48.28N 101.27W ELEV. 1715 FT
1236 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 45 31 55 34 71
TEMP 39 42 43 39 36 34 33 41 46 52 54 43 37 37 39 53 63 68 69
DEWPT 36 36 36 35 34 33 31 31 29 29 28 29 29 29 29 34 36 37 38
RH 89 79 76 85 92 96 92 67 51 41 36 57 72 72 67 48 36 32 32
WIND DIR N N N N N NW NW NW NW NW NW S S S S S S S S
WIND SPD 13 14 13 11 10 9 9 10 10 9 4 4 9 12 14 18 19 20 19
WIND GUST 26 28 31 31
CLOUDS OV B2 OV OV B2 OV B2 B1 SC FW FW FW FW FW B2 SC SC B1 B1
POP 12HR 10 20 5 0 0
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S
TSTMS S
WIND CHILL 31 34 36 32 29 27 25 35 30 29 31
MIN CHILL 30 31 29 25 28 30 28 37
FREEZE W W W
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 45 68 44 66 43 72 48 81
TEMP 50 47 64 64 49 46 62 63 48 46 66 70 52 51 74 77
DEWPT 41 41 42 44 43 42 41 42 41 41 41 43 42 43 45 46
PWIND DIR S S S S S S S SW
WIND CHAR BZ GN GN GN LT LT GN GN
AVG CLOUDS B2 B1 B1 B1 B2 B1 B1 B1 B1 SC SC SC SC SC FW FW
POP 12HR 20 40 50 40 10 10 5 10
RAIN SHWRS S S C C C C C
TSTMS S S C S
NDZ037-182100-
JAMESTOWN-STUTSMAN ND
46.93N 98.68W ELEV. 1499 FT
1236 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 33 51 30 66
TEMP 43 45 44 40 38 37 36 41 45 48 49 41 36 34 35 51 60 64 62
DEWPT 40 40 40 39 37 36 36 34 34 33 31 32 32 31 32 37 38 39 40
RH 89 82 86 96 96 96100 76 65 56 50 70 85 89 89 59 44 40 44
WIND DIR N N N N N NW NW NW NW NW NW N S S S S S S S
WIND SPD 20 19 14 14 14 14 16 17 16 14 11 0 3 5 9 13 18 19 18
WIND GUST 29
CLOUDS OV OV OV OV OV OV OV B2 B1 B1 SC B1 FW FW SC FW FW FW SC
POP 12HR 80 90 10 0 0
QPF 12HR 0.08 0.06 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C D C
WIND CHILL 34 37 37 32 29 28 26 32 38 28
MIN CHILL 34 36 29 26 29 33 27 34
FROST Y Y Y
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 40 69 42 64 41 70 44 80
TEMP 47 44 64 63 49 45 59 60 48 45 63 67 51 48 72 76
DEWPT 38 37 43 43 41 41 44 44 42 41 45 45 44 44 49 50
PWIND DIR S S SE SE SE S S S
WIND CHAR BZ BZ GN GN LT GN LT GN
AVG CLOUDS SC B1 SC B1 B2 B2 B1 B1 B2 B2 B1 SC SC SC SC FW
POP 12HR 5 20 30 50 30 20 10 10
RAIN SHWRS S C C C C C S S S
NDZ001-182100-
WILLISTON-WILLIAMS ND
48.17N 103.59W ELEV. 1981 FT
1236 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 45 30 59 38 73
TEMP 39 42 44 41 38 34 32 41 50 56 59 49 45 43 43 54 66 72 69
DEWPT 35 36 34 34 34 32 31 32 32 30 29 30 29 28 29 34 36 36 39
RH 85 79 68 76 85 92 96 70 50 37 32 48 53 55 57 46 33 27 33
WIND DIR N N N N N NW N NW W SW S SE SE SE SE S S SW SW
WIND SPD 12 14 14 9 6 4 3 4 4 6 6 10 13 12 12 14 16 16 13
CLOUDS B2 B2 B2 B2 B2 B1 B2 SC SC FW FW FW B1 B2 B1 SC SC B1 B2
POP 12HR 5 10 0 5 20
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S
WIND CHILL 31 35 37 35 39 36 36
MIN CHILL 31 33 33 29 31 39 35 39
FREEZE W W W
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 41 67 41 67 42 75 47 82
TEMP 52 45 62 64 51 45 63 66 52 46 69 75 58 51 76 81
DEWPT 43 42 42 41 42 41 41 39 40 40 41 39 42 42 44 41
PWIND DIR W N NW NW SE S S SW
WIND CHAR LT GN LT GN LT LT GN GN
AVG CLOUDS B2 B2 B2 B2 B1 B1 SC SC SC B1 SC FW SC SC FW SC
POP 12HR 10 30 40 20 5 5 5 10
RAIN SHWRS C C C S S
TSTMS S S
NDZ021-182100-
GARRISON-MCLEAN ND
47.62N 101.39W ELEV. 1936 FT
1236 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 46 31 56 34 72
TEMP 40 43 44 40 37 35 34 41 46 52 54 44 38 37 38 53 65 70 68
DEWPT 37 36 36 35 34 33 32 32 30 30 29 31 30 30 31 36 37 36 39
RH 89 76 73 82 89 92 92 70 53 43 38 60 73 75 76 52 35 29 34
WIND DIR N N N N N N N N NW NW W SE SE SE S S S S S
WIND SPD 14 16 12 10 10 9 8 9 9 8 3 3 6 10 12 17 20 20 20
WIND GUST 27 31 32
CLOUDS OV B2 OV OV B2 OV OV B1 B1 B1 FW FW FW SC OV SC SC SC B1
POP 12HR 5 20 5 0 5
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S
WIND CHILL 32 36 38 33 30 28 27 35 30 30
MIN CHILL 32 33 30 27 30 33 29 35
FREEZE W W W
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 69 42 67 41 73 46 82
TEMP 49 45 64 64 48 45 62 64 48 46 67 71 52 50 75 78
DEWPT 41 41 42 44 42 42 41 41 40 41 42 44 42 43 46 47
PWIND DIR S S S W SE S S SW
WIND CHAR BZ GN GN GN LT LT GN GN
AVG CLOUDS B1 B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC SC FW FW
POP 12HR 20 30 50 30 20 10 5 10
RAIN SHWRS S C C C C C S
TSTMS S C S S
NDZ043-182100-
BOWMAN-BOWMAN ND
46.18N 103.40W ELEV. 2959 FT
1136 AM 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 44 29 58 34 71
TEMP 42 43 43 38 35 32 32 41 49 56 57 45 39 37 37 55 67 70 67
DEWPT 37 36 33 34 33 32 32 31 27 25 24 26 27 27 29 33 31 31 34
RH 82 76 67 85 92100100 67 42 30 28 47 62 67 72 43 26 23 29
WIND DIR N N N N NW NW NW NW NW NW NW SE SE S S S S S S
WIND SPD 17 17 16 11 8 6 5 9 9 6 4 8 12 12 12 14 17 17 18
CLOUDS B2 B2 OV OV B2 B2 B2 B1 SC CL FW FW SC FW SC FW FW SC B1
POP 12HR 40 30 0 0 0
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S C
WIND CHILL 34 35 35 31 28 26 26 35 31 29 29
MIN CHILL 34 35 28 25 29 31 28 34
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 66 38 64 38 73 44 82
TEMP 46 41 62 61 45 41 59 63 45 43 68 72 51 47 77 79
DEWPT 41 40 41 40 42 40 39 36 39 39 39 38 42 41 41 38
PWIND DIR SE SE NW NW SE S S SW
WIND CHAR GN GN GN GN LT GN GN GN
AVG CLOUDS B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC FW SC FW FW FW
POP 12HR 10 40 60 30 20 10 5 5
RAIN SHWRS C L C C C S
TSTMS C C
NDZ045-182100-
SELFRIDGE-SIOUX ND
46.04N 100.92W ELEV. 2185 FT
1236 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 46 34 54 34 68
TEMP 41 42 42 41 39 37 36 41 45 51 53 43 39 37 38 53 63 66 63
DEWPT 37 37 36 36 36 35 35 35 32 31 29 31 31 31 32 38 39 39 39
RH 85 82 79 82 89 92 96 79 60 46 39 62 73 79 79 57 41 37 41
WIND DIR N N N N NW NW NW NW NW NW NW E SE S S S S S S
WIND SPD 12 14 16 13 12 11 11 13 12 11 6 6 10 13 16 20 23 24 24
WIND GUST 34
CLOUDS OV OV OV B2 B2 B2 OV B2 B2 SC FW FW FW SC SC FW FW SC SC
POP 12HR 80 40 20 0 5
QPF 12HR 0.01 0.01 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C D C S
WIND CHILL 34 35 34 33 31 29 28 33 39 32 28 29
MIN CHILL 34 34 31 28 29 32 26 33
FROST Y Y Y
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 44 67 44 63 43 71 49 81
TEMP 50 46 63 62 50 46 59 61 50 46 65 69 54 51 74 78
DEWPT 40 39 43 43 43 41 42 41 41 41 43 42 43 43 48 45
PWIND DIR S S SE S SE S SE S
WIND CHAR BZ BZ GN GN GN GN GN GN
AVG CLOUDS SC SC SC B1 B1 B1 B1 B1 B1 B1 SC SC SC SC FW FW
POP 12HR 5 30 50 40 20 10 5 5
RAIN SHWRS C C C C C S S
TSTMS S S S
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page