101
FOUS53 KLSX 181711
AFMLSX
AREA FORECAST MATRICES
NATIONAL WEATHER SERVICE SAINT LOUIS MO
1211 PM CDT MON MAY 18 2026
ILZ100-101-MOZ061-063-064-182100-
MADISON IL-SAINT CLAIR IL-SAINT CHARLES MO-SAINT LOUIS MO-
SAINT LOUIS CITY MO-
INCLUDING THE CITIES OF ALTON, EDWARDSVILLE, BELLEVILLE, CAHOKIA,
SAINT CHARLES, AND SAINT LOUIS
1211 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 77 67 85 56 69
TEMP 74 72 72 68 68 67 68 77 81 80 74 68 64 60 57 61 65 68 68
DEWPT 69 69 67 66 66 66 66 68 70 70 66 64 61 56 52 52 53 54 52
RH 84 90 84 93 93 97 93 74 69 72 76 87 90 87 83 72 65 61 57
WIND DIR SW S S S S S S S SW W NW N N N N N N N NE
WIND SPD 14 13 13 13 12 11 10 13 12 10 8 6 6 9 10 9 8 8 6
WIND GUST 29 27 26 27 26 25 23 24 23
CLOUDS OV B2 B2 B1 SC B1 B1 B2 B1 B2 B2 OV B2 B2 SC B2 B2 B2 B1
POP 12HR 90 30 80 60 20
QPF 12HR 0.23-1.29 0.02-0.25 0.22-0.55 0.02-0.20 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS D D C S S L L D L L C L L S S S S
TSTMS L C C S S S C L L C C S
HEAT INDEX 85 82
MAX HEAT 83 88 90
FLOOD A A
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 51 73 57 75 60 80 61 83
TEMP 59 52 68 71 63 58 69 74 65 61 77 79 67 62 79 81
DEWPT 50 45 55 56 56 56 62 63 63 60 64 64 64 61 64 65
PWIND DIR NE NE E E NW SW S S
WIND CHAR LT GN GN LT LT LT LT LT
AVG CLOUDS B1 B1 B1 B1 B2 B2 B2 B2 B1 B2 B2 B1 B1 B1 B1 B1
POP 12HR 10 10 60 70 40 30 20 30
RAIN SHWRS S L L L C S S C S S C C
TSTMS S S C S S S S S S
MOZ049-050-182100-
OSAGE MO-CALLAWAY MO-
INCLUDING THE CITY OF FULTON
1211 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 75 65 79 51 66
TEMP 70 70 72 67 67 66 65 73 74 72 68 62 59 54 52 57 62 65 65
DEWPT 69 69 67 66 65 65 65 68 68 65 60 58 55 51 48 49 50 51 50
RH 97 97 84 97 93 97100 84 82 79 76 87 87 90 86 75 65 60 58
WIND DIR S S S S S S S S W NW N N N N N NE NE NE NE
WIND SPD 13 13 14 12 13 10 10 11 10 9 8 5 6 8 9 9 8 6 6
WIND GUST 28 29 29 29 29 26 24 25 21 19 17 17 19 20 20 18 17 17
CLOUDS B2 B2 B1 SC B1 B2 B2 B2 OV B2 OV B2 B2 B1 B1 B2 B2 B1 B1
POP 12HR 90 50 80 40 10
QPF 12HR 0.22-1.87 0.25-1.02 0.03-0.41 0.03 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS D L C C D C L L S S C C S S S S
TSTMS L L C C S C C C S S
FLOOD A A
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 49 71 55 73 56 79 57 82
TEMP 56 50 65 70 61 56 67 72 62 57 75 77 63 59 79 80
DEWPT 50 46 54 57 57 56 63 62 60 57 63 64 61 58 64 65
PWIND DIR NE E E E NE SW E SE
WIND CHAR LT GN GN LT LT LT LT LT
AVG CLOUDS B1 B2 B2 B2 B2 OV B2 B2 B1 B2 B1 SC B1 B1 SC B1
POP 12HR 5 10 60 70 40 30 20 30
RAIN SHWRS C L L L C C S C S S C
TSTMS S S C C S S S S
MOZ042-182100-
AUDRAIN MO-
INCLUDING THE CITY OF MEXICO
1211 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 76 64 76 50 65
TEMP 70 72 74 69 69 66 65 72 72 70 67 61 57 53 51 57 62 65 65
DEWPT 68 68 67 65 65 64 64 66 64 60 56 53 50 47 46 46 48 49 48
RH 93 87 79 87 87 93 97 81 76 71 68 75 77 80 83 67 60 56 54
WIND DIR S S S S S SW S SW NW NW N N N N N NE NE NE NE
WIND SPD 16 17 17 16 14 12 13 14 12 11 10 8 8 10 10 11 10 9 9
WIND GUST 28 31 32 29 29 24 26 26 18 20 20
CLOUDS OV B2 B2 SC B2 OV OV B2 B2 B2 B2 B1 B1 B1 SC B1 B1 B1 B1
POP 12HR 80 60 60 20 5
QPF 12HR 0.16-0.28 0.54-0.88 0.01-0.14 0.01 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS D L S S L L C L C S S
TSTMS L L S S C S C C 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 48 69 54 70 55 77 57 81
TEMP 55 49 65 69 60 55 65 69 60 57 74 76 62 59 79 79
DEWPT 48 42 51 54 54 54 60 60 58 56 61 62 59 58 63 64
PWIND DIR NE E E E NE SW S SE
WIND CHAR LT GN GN GN LT LT LT LT
AVG CLOUDS SC B1 B2 B1 B2 OV B2 B2 B2 B2 B2 B1 SC B1 SC B1
POP 12HR 5 10 60 70 30 20 20 20
RAIN SHWRS C L L C C C S S S S
TSTMS S S C S S S S S
MOZ041-047-048-182100-
BOONE MO-MONITEAU MO-COLE MO-
INCLUDING THE CITIES OF COLUMBIA AND JEFFERSON CITY
1211 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 75 64 77 52 67
TEMP 68 71 73 68 67 66 65 72 71 70 67 63 59 54 52 58 63 66 65
DEWPT 68 69 68 66 65 65 65 67 65 61 57 56 53 49 47 47 49 50 49
RH 100 93 84 93 93 97100 84 81 73 70 78 80 83 83 67 60 56 56
WIND DIR S S S S S S S SW NW NW N N N N NE NE NE NE NE
WIND SPD 13 13 14 13 13 9 8 9 9 9 8 5 5 6 8 8 8 6 6
WIND GUST 28 29 31 29 29 24 25 24 20 19 18 17 17 19 20 20 18 17 17
CLOUDS B2 B2 B1 B1 B2 B2 B2 B2 OV B2 B2 B2 B2 B1 B1 B2 B1 B1 B1
POP 12HR 90 60 80 30 10
QPF 12HR 0.18-1.46 0.36-0.87 0.01-0.21 0.02 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS D L S S L D C C C S S C C S S
TSTMS L C S S C S C C C S
FLOOD A A
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 51 71 56 73 57 80 58 83
TEMP 56 52 66 70 62 57 68 72 62 58 76 78 63 60 80 81
DEWPT 50 46 53 56 57 57 62 62 59 58 63 63 60 59 64 65
PWIND DIR NE E E E E SW E SE
WIND CHAR LT GN LT LT LT LT LT LT
AVG CLOUDS B1 B2 B2 B2 B2 OV B2 B2 B2 B2 B1 B1 SC B1 SC B1
POP 12HR 5 10 60 70 40 20 20 30
RAIN SHWRS S C L L L C C S S S C
TSTMS S C C C S S S S
ILZ095>097-MOZ018-019-026-027-034>036-182100-
ADAMS IL-BROWN IL-PIKE IL-KNOX MO-LEWIS MO-SHELBY MO-MARION MO-
MONROE MO-RALLS MO-PIKE MO-
INCLUDING THE CITIES OF QUINCY, MOUNT STERLING, PITTSFIELD,
HANNIBAL, AND BOWLING GREEN
1211 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 78 65 76 50 66
TEMP 71 74 75 71 70 67 66 71 71 70 67 61 57 53 51 57 63 66 65
DEWPT 68 68 67 65 65 64 65 66 64 60 55 53 49 46 45 46 48 49 48
RH 90 82 76 81 84 90 97 84 79 71 65 75 75 77 80 67 58 54 54
WIND DIR S S S S S SW S SW NW NW N N N N N NE NE NE NE
WIND SPD 14 16 14 13 13 11 12 12 11 11 9 6 6 8 9 9 8 8 6
WIND GUST 32 34 32 29 29 27 29 27 23 23 21 18 19 20 20 20 18 18
CLOUDS OV B2 B2 B1 B2 OV B2 B2 B2 B2 B2 B1 B1 B1 SC B1 B1 SC SC
POP 12HR 70 70 50 10 0
QPF 12HR 0.03-0.37 0.38-1.57 0.00-0.33 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS L C S S C L L S L S S S S S
TSTMS L C S S C C S S C C S
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 47 70 53 69 55 78 58 82
TEMP 55 48 65 68 60 54 64 69 60 57 74 76 63 59 79 80
DEWPT 45 40 51 53 52 53 58 59 57 56 61 62 58 58 63 64
PWIND DIR NE E E E NE S SW SE
WIND CHAR LT GN GN GN LT LT LT LT
AVG CLOUDS SC B1 B1 B1 B2 OV B2 B2 B2 B2 B2 B1 B1 B1 SC B1
POP 12HR 5 10 50 70 30 20 20 20
RAIN SHWRS S C L C C S S S S S
TSTMS S S C S S S S S
ILZ069-070-074-182100-
CLINTON IL-MARION IL-WASHINGTON IL-
INCLUDING THE CITIES OF CENTRALIA AND SALEM
1211 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 80 67 85 59 69
TEMP 77 77 76 71 69 68 68 78 82 80 76 71 66 63 60 63 66 68 68
DEWPT 70 69 67 66 66 66 67 69 70 71 68 67 64 60 57 55 56 55 54
RH 79 76 74 84 90 93 97 74 67 74 76 87 93 90 90 75 70 63 61
WIND DIR SW SW S SE S S S SW SW SW W NW N N N N N N NE
WIND SPD 18 14 12 12 12 12 12 17 16 11 6 4 5 9 10 9 8 9 8
WIND GUST 31 28 23 25 25 25 24
CLOUDS B2 B2 B2 B1 SC SC SC B1 B1 B1 B2 OV B2 B2 B1 B2 B2 B2 B1
POP 12HR 80 20 80 70 30
QPF 12HR 0.33-1.15 0.02-0.26 0.26-0.55 0.08-0.27 0.01
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS L D S S S C L D L D L L C C S S
TSTMS L C S S S C L L C C S
HEAT INDEX 85 84
MAX HEAT 85 87 88 90
FLOOD A A
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 52 72 57 74 61 80 62 82
TEMP 58 53 69 70 62 58 69 73 66 62 76 78 67 63 78 80
DEWPT 50 48 56 56 55 57 63 64 63 62 64 65 64 63 65 66
PWIND DIR NE NE E SE SW SW S S
WIND CHAR GN GN GN LT LT LT LT LT
AVG CLOUDS B1 B1 B1 B1 B2 B2 B2 B2 B1 B2 B2 B1 B1 B1 B1 B1
POP 12HR 10 10 60 80 50 30 30 30
RAIN SHWRS L D L C S S C C S C C
TSTMS S S C C S C S S
MOZ074-084-085-099-182100-
SAINT FRANCOIS MO-IRON MO-MADISON MO-REYNOLDS MO-
INCLUDING THE CITY OF FARMINGTON
1211 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 84 67 85 57 69
TEMP 80 81 80 73 71 68 67 77 81 80 75 69 66 62 58 62 66 69 67
DEWPT 70 68 68 67 66 66 66 68 71 73 70 69 65 61 58 57 57 57 55
RH 72 65 67 81 84 93 97 74 72 79 84100 97 97100 84 73 66 65
WIND DIR S S SE SE S S S SW S SW W N N N N NE NE NE NE
WIND SPD 13 12 10 10 10 10 9 9 8 6 3 2 3 4 5 5 5 5 5
WIND GUST 29 31 28 28 29 28 27 26 23 19 14 12 14 18 21 19 17 17 17
CLOUDS B2 B2 B1 B1 SC B1 SC B2 B2 B2 B2 B2 B2 OV B2 B2 B2 B2 B2
POP 12HR 50 20 90 80 50
QPF 12HR 0.25-1.54 0.01-0.13 0.28-0.78 0.13-0.26 0.01-0.07
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C S S C D D L C D D C C S S S
TSTMS C C S S C L L C C S S S S
HEAT INDEX 82 84 81 85 84
MAX HEAT 89 91 85 90 93
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 53 74 58 77 59 81 60 82
TEMP 59 54 71 72 63 59 73 74 65 60 78 78 66 61 79 79
DEWPT 54 51 58 60 60 59 66 66 64 60 65 67 64 61 66 67
PWIND DIR NE NE E S SW SW S SE
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS B1 B2 B2 B2 B2 OV B2 B1 B1 B1 B1 SC B1 B1 B1 B1
POP 12HR 20 20 70 80 50 50 40 50
RAIN SHWRS S S S S C L L D C C S C C C C C
TSTMS S C S C C S C S S S
MOZ051-052-060-182100-
MONTGOMERY MO-LINCOLN MO-WARREN MO-
1211 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 75 65 80 52 66
TEMP 71 71 72 68 68 67 66 74 77 74 69 63 60 55 52 58 63 65 66
DEWPT 69 69 67 66 66 65 66 68 70 67 61 59 55 51 49 49 51 52 51
RH 93 93 84 93 93 93100 82 79 79 76 87 84 86 89 72 65 63 58
WIND DIR S S S S S S SW S SW NW NW N N N N NE NE NE NE
WIND SPD 12 12 12 12 12 10 9 11 10 8 6 5 5 8 8 8 6 5 5
WIND GUST 25 28 27 27 28 25 25 26 23 19 18 17 17 19 20 19 17 16 16
CLOUDS OV B2 B2 SC B1 B1 B2 B2 B2 B2 OV B2 B1 B1 SC B1 B2 B1 B1
POP 12HR 90 50 80 50 10
QPF 12HR 0.23-0.78 0.08-0.65 0.10-0.37 0.03 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS D D C C D S L L C C C C S S
TSTMS L L C C S S C C C S
FLOOD A A
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 48 71 54 72 56 79 57 82
TEMP 56 49 65 70 62 55 66 72 62 57 74 78 64 59 78 80
DEWPT 49 44 54 56 56 55 62 62 61 57 63 64 62 59 64 65
PWIND DIR NE E E E N W S SE
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS B1 B1 B1 B1 B2 OV B2 B2 B2 B2 B2 B1 B1 B1 B1 B1
POP 12HR 5 10 60 70 40 30 20 20
RAIN SHWRS S L L L C C S C S S S
TSTMS S S C S S S S S
ILZ058-059-098-099-182100-
GREENE IL-MACOUPIN IL-CALHOUN IL-JERSEY IL-
1211 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 75 66 81 52 67
TEMP 74 72 72 69 69 68 67 76 79 76 71 65 61 56 53 59 64 67 66
DEWPT 67 67 66 64 65 64 65 67 68 66 62 59 55 51 48 49 49 50 49
RH 79 84 81 84 87 87 93 74 69 71 73 81 81 83 83 69 58 54 54
WIND DIR S S S S S S S S SW W NW NW N N N N NE NE NE
WIND SPD 14 13 14 14 14 12 11 14 13 10 9 8 9 10 10 10 9 9 6
WIND GUST 26 28 26 26 28 26 24 26 26
CLOUDS OV OV B2 B1 SC B2 B2 B2 B2 B2 OV OV B1 B2 SC B1 B2 B1 B1
POP 12HR 90 50 90 50 5
QPF 12HR 0.26-0.43 0.08-0.52 0.19-0.51 0.01-0.09 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS D D C S C L C D L C C C C
TSTMS L L C S C S C C L C S
HEAT INDEX 80
MAX HEAT 85 86
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 46 71 53 71 56 78 57 82
TEMP 55 48 67 69 61 55 66 71 63 59 75 76 64 60 79 80
DEWPT 44 41 51 52 52 53 58 60 60 57 61 62 61 59 61 63
PWIND DIR NE E E E N SW S S
WIND CHAR LT GN GN GN LT LT LT LT
AVG CLOUDS B1 B1 B1 B1 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 B1
POP 12HR 5 5 50 70 40 30 30 20
RAIN SHWRS S C L C C S C C C C S S
TSTMS S S C S S S S S
ILZ064-065-182100-
BOND IL-FAYETTE IL-
INCLUDING THE CITY OF VANDALIA
1211 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 77 66 83 57 68
TEMP 75 75 74 69 69 68 67 77 81 79 75 69 65 61 58 62 65 68 67
DEWPT 69 68 66 65 65 65 65 68 68 68 66 64 61 57 53 53 53 53 51
RH 82 79 76 87 87 90 93 74 65 69 74 84 87 87 83 72 65 59 56
WIND DIR S SW S S S S S SW SW SW W NW N N N N NE NE NE
WIND SPD 17 12 12 12 12 12 12 17 14 11 6 5 6 9 10 10 8 9 8
WIND GUST 29 26 24 23 24 25 24
CLOUDS OV OV B2 B1 SC SC B1 B2 B1 B2 B2 OV B2 B1 SC B2 B2 B2 B1
POP 12HR 90 30 80 80 20
QPF 12HR 0.39-0.92 0.06-0.13 0.23-0.43 0.05-0.25 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS D D C S S C L D C C L L S S
TSTMS L L C S C L L C C S
HEAT INDEX 84 81
MAX HEAT 86 88
FLOOD A A
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 48 70 55 72 60 78 60 81
TEMP 55 50 67 69 61 56 67 72 65 61 75 77 66 62 78 79
DEWPT 45 45 53 53 53 54 60 62 62 60 63 63 62 61 63 64
PWIND DIR NE NE E E SW SW S S
WIND CHAR GN GN GN LT LT LT LT LT
AVG CLOUDS B1 B1 B1 B1 B2 B2 B2 B2 B1 B2 B2 B1 B1 B1 B1 B1
POP 12HR 10 5 50 80 50 30 30 30
RAIN SHWRS C D L C S C C C S C S
TSTMS S S C S S S S S
ILZ060-182100-
MONTGOMERY IL-
INCLUDING THE CITY OF LITCHFIELD
1211 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 76 65 82 54 67
TEMP 74 73 72 68 68 67 66 76 80 77 72 66 62 57 54 60 64 67 65
DEWPT 68 68 66 65 65 65 65 68 68 68 65 62 58 54 50 51 52 52 51
RH 82 84 81 90 90 93 97 76 67 74 79 87 87 90 86 72 65 59 60
WIND DIR SW S S S S S S S SW W NW NW N N N N N NE NE
WIND SPD 16 13 13 14 14 13 13 17 16 11 8 8 8 10 11 10 9 9 8
WIND GUST 27 26 26 25 28 26 24
CLOUDS OV OV B2 B1 SC SC B2 B2 B1 B2 B2 OV B2 B1 SC B2 B2 B1 B1
POP 12HR 90 40 80 70 10
QPF 12HR 0.31-0.67 0.07-0.14 0.23-0.40 0.05 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS D D C S S C C L D L S C C
TSTMS L L C S S S C C L C S
HEAT INDEX 82
MAX HEAT 84 85
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 70 52 71 57 77 58 80
TEMP 53 47 67 68 59 54 65 70 63 58 74 75 64 59 77 78
DEWPT 44 43 53 53 52 52 59 61 61 58 62 63 62 59 63 64
PWIND DIR NE E E E SW W SW S
WIND CHAR GN GN GN GN LT LT LT LT
AVG CLOUDS B1 B1 B1 B1 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 B1
POP 12HR 10 5 50 70 40 30 30 30
RAIN SHWRS C L C C S C S C C C S
TSTMS S S C S S S S S
ILZ079-MOZ075-182100-
RANDOLPH IL-SAINTE GENEVIEVE MO-
INCLUDING THE CITIES OF CHESTER AND SPARTA
1211 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 83 67 86 58 69
TEMP 80 81 79 74 71 70 68 78 83 81 76 71 66 63 60 62 66 68 69
DEWPT 70 69 68 67 66 66 66 69 71 73 70 68 65 61 57 56 56 57 55
RH 72 67 69 79 84 87 93 74 67 77 82 90 97 93 90 81 70 68 61
WIND DIR S S S SE S S S SW S SW W NW N N N N N N NE
WIND SPD 17 16 12 12 12 12 11 12 11 9 5 4 5 8 9 8 8 8 8
WIND GUST 29 31 24 27 29 28 26 25 23 19 19 18
CLOUDS B2 B2 B1 SC SC SC SC B2 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2
POP 12HR 70 20 90 70 40
QPF 12HR 0.38-1.53 0.01-0.07 0.29-0.71 0.11-0.23 0.01-0.06
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS L L S S L L L C L L L C C S S
TSTMS L C S S C L L C C S
HEAT INDEX 83 83 81 87 86
MAX HEAT 88 90 85 90 93
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 52 73 57 76 60 81 60 82
TEMP 60 53 69 73 64 58 71 75 66 61 78 79 67 62 79 80
DEWPT 54 49 58 59 58 58 65 66 64 61 65 66 64 62 66 67
PWIND DIR NE NE E S SW SW S S
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS B1 B1 B2 B2 B2 B2 B2 B2 B1 B2 B1 B1 B1 B1 B1 B1
POP 12HR 10 20 70 80 50 40 30 40
RAIN SHWRS S S L D D C C S C C C C C
TSTMS C S C C S C S S S
MOZ059-062-072-073-182100-
GASCONADE MO-FRANKLIN MO-CRAWFORD MO-WASHINGTON MO-
INCLUDING THE CITIES OF WASHINGTON, UNION, AND SULLIVAN
1211 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 78 66 83 54 67
TEMP 75 74 74 69 69 68 67 76 79 78 72 66 62 58 55 59 63 66 66
DEWPT 69 69 67 66 65 65 65 68 71 71 67 64 60 56 53 53 53 54 52
RH 82 84 79 90 87 90 93 76 77 79 84 93 93 93 93 80 70 65 61
WIND DIR S S S S S S SW S SW W NW N N N N NE NE NE NE
WIND SPD 13 12 12 11 11 11 8 10 9 6 4 3 3 4 5 5 5 5 4
WIND GUST 29 29 28 28 29 28 26 25 21 18 14 13 13 17 18 17 16 16 16
CLOUDS B2 B2 B1 SC SC B1 B1 B2 B2 B2 B2 B2 B2 B2 B1 B2 B2 B2 B2
POP 12HR 90 30 80 70 30
QPF 12HR 0.53-2.42 0.02-0.60 0.19-0.80 0.03-0.28 0.00-0.06
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS D D C S L C L L L L L L C C C C
TSTMS L L C S S C L L C C S
HEAT INDEX 81
MAX HEAT 83 85 87 90
FLOOD A A
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 50 73 56 75 58 81 59 83
TEMP 58 51 68 71 63 57 70 73 64 59 77 78 65 60 79 80
DEWPT 52 48 56 58 59 57 64 64 63 59 64 65 63 60 65 66
PWIND DIR NE E E SE SW SW SE SE
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS B1 B1 B2 B2 B2 OV B2 B1 B1 B2 B1 B1 B1 B1 B1 B1
POP 12HR 10 20 60 70 40 40 30 40
RAIN SHWRS S C L L L C C S C S C S C
TSTMS S S C C S S S S S
ILZ102-MOZ065-182100-
MONROE IL-JEFFERSON MO-
1211 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 79 67 85 56 68
TEMP 77 76 75 70 69 69 68 78 82 80 75 69 64 60 57 61 65 67 68
DEWPT 70 70 68 67 66 66 66 69 72 73 70 67 63 59 54 54 55 56 54
RH 79 82 79 90 90 90 93 74 72 79 84 93 97 96 90 78 70 68 61
WIND DIR SW SW S S S S S S SW SW NW N N N N N NE N NE
WIND SPD 13 12 11 11 10 10 8 10 9 6 4 4 4 6 6 5 5 5 5
WIND GUST 29 26 24 27 26 27 21 23 21 17 17 18 16
CLOUDS B2 B2 B1 B1 SC B1 SC B2 B2 B1 B2 B2 B2 B2 B1 B2 B2 B2 B1
POP 12HR 80 30 80 70 30
QPF 12HR 0.55-1.38 0.01-0.18 0.28-0.65 0.06-0.20 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS D D C C L L D L L L L C C S S
TSTMS L C S S C L L C C S
HEAT INDEX 86 85
MAX HEAT 85 84 90 93
FLOOD A A
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 51 73 56 75 59 81 60 83
TEMP 59 52 69 72 63 57 71 74 65 60 78 79 66 61 80 81
DEWPT 53 47 57 59 58 57 65 66 64 60 65 66 64 61 66 67
PWIND DIR NE NE E SE SW SW S S
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS B1 B1 B2 B1 B2 B2 B2 B2 B1 B2 B2 B1 B1 B1 B1 B1
POP 12HR 10 20 70 70 50 40 30 40
RAIN SHWRS S S L L D C C S C C C C C
TSTMS S S C C S S S S S
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