Heat Index Forecast Tables
Issued by NWS
Issued by NWS
364
FMUS23 KWNH 211609
PRBEHI
DAYS 3--7 HEAT INDEX FORECAST TABLES
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
1607 UTC SAT JUN 21 2025
MEAN HEAT INDEX (DEG F) AND MEAN HI PROB (%) FRCSTS
AT EASTERN US CITIES - DAYS 3 TO 7 FROM SAT JUN 21 2025
AKRON-CANTON_OH ALBANY_NY
CAK 0624 0625 0626 0627 0628 ALB 0624 0625 0626 0627 0628
MEAN 88 86 85 84 82 MEAN 89 83 74 71 72
%>100 0 0 0 0 0 %>100 1 0 0 0 0
%>95 2 2 1 2 1 %>95 9 1 0 0 0
%>90 25 18 13 12 5 %>90 44 10 1 0 2
%>85 76 60 50 42 26 %>85 85 36 7 3 6
%>80 98 92 87 78 63 %>80 99 72 21 10 17
%>75 100 99 99 96 90 %>75 100 94 47 28 35
%>70 100 100 100 100 99 %>70 100 99 74 54 58
ASHEVILLE_NC ATLANTA_GA
AVL 0624 0625 0626 0627 0628 ATL 0624 0625 0626 0627 0628
MEAN 81 81 81 81 80 MEAN 89 90 90 90 89
%>100 0 0 0 0 0 %>100 0 0 0 1 1
%>95 0 0 0 0 0 %>95 1 5 10 10 10
%>90 1 2 2 3 3 %>90 33 54 54 48 44
%>85 15 18 17 20 18 %>85 94 97 93 88 83
%>80 64 65 60 61 53 %>80 100 100 100 99 98
%>75 95 95 93 91 86 %>75 100 100 100 100 100
%>70 100 100 99 99 98 %>70 100 100 100 100 100
BALTIMORE_MD BIRMINGHAM_AL
BWI 0624 0625 0626 0627 0628 BHM 0624 0625 0626 0627 0628
MEAN 95 93 91 87 87 MEAN 88 90 91 90 88
%>100 10 2 3 4 5 %>100 0 0 0 2 0
%>95 53 28 19 14 16 %>95 1 6 10 14 7
%>90 93 79 55 35 34 %>90 28 52 55 50 35
%>85 100 98 87 62 57 %>85 90 95 94 86 77
%>80 100 100 98 84 78 %>80 100 100 100 99 97
%>75 100 100 100 95 92 %>75 100 100 100 100 100
%>70 100 100 100 99 98 %>70 100 100 100 100 100
BOSTON_MA BUFFALO_NY
BOS 0624 0625 0626 0627 0628 BUF 0624 0625 0626 0627 0628
MEAN 88 80 68 66 68 MEAN 84 79 75 76 75
%>100 1 0 0 0 0 %>100 0 0 0 0 0
%>95 10 2 0 0 0 %>95 1 0 0 0 0
%>90 40 9 0 0 0 %>90 8 2 1 2 0
%>85 73 25 2 1 2 %>85 41 12 7 9 4
%>80 91 50 7 3 7 %>80 82 41 23 26 20
%>75 98 75 19 11 19 %>75 97 77 53 54 54
%>70 100 91 41 30 40 %>70 100 95 80 80 85
CHARLESTON_SC CHARLESTON_WV
CHS 0624 0625 0626 0627 0628 CRW 0624 0625 0626 0627 0628
MEAN 91 93 94 95 94 MEAN 91 90 90 89 88
%>100 1 3 9 18 16 %>100 5 2 2 1 1
%>95 16 27 38 48 45 %>95 23 17 13 11 10
%>90 65 74 77 80 77 %>90 59 52 46 43 35
%>85 96 97 96 96 95 %>85 88 86 83 81 69
%>80 100 100 100 100 99 %>80 98 98 98 97 92
%>75 100 100 100 100 100 %>75 100 100 100 100 99
%>70 100 100 100 100 100 %>70 100 100 100 100 100
CHARLOTTE_NC CHICAGO_IL
CLT 0624 0625 0626 0627 0628 ORD 0624 0625 0626 0627 0628
MEAN 91 92 91 92 91 MEAN 85 82 83 80 79
%>100 0 1 2 4 3 %>100 0 1 1 0 0
%>95 12 19 18 26 19 %>95 4 3 6 2 1
%>90 67 69 61 67 55 %>90 21 13 18 9 5
%>85 98 97 93 93 87 %>85 53 33 40 25 19
%>80 100 100 100 100 98 %>80 83 59 66 49 45
%>75 100 100 100 100 100 %>75 96 82 86 75 73
%>70 100 100 100 100 100 %>70 100 94 96 91 92
CINCINNATI_OH CLEVELAND_OH
LUK 0624 0625 0626 0627 0628 CLE 0624 0625 0626 0627 0628
MEAN 90 89 89 88 86 MEAN 86 83 82 82 79
%>100 0 0 0 0 0 %>100 0 0 0 0 0
%>95 8 5 6 6 3 %>95 3 3 1 2 0
%>90 47 39 39 35 22 %>90 21 13 9 11 3
%>85 89 87 83 78 63 %>85 58 38 31 32 16
%>80 99 99 99 97 92 %>80 85 68 63 61 44
%>75 100 100 100 100 99 %>75 96 87 86 84 75
%>70 100 100 100 100 100 %>70 99 96 96 95 93
COLUMBIA_SC COLUMBUS_OH
CAE 0624 0625 0626 0627 0628 TZR 0624 0625 0626 0627 0628
MEAN 92 93 93 94 93 MEAN 89 88 88 87 85
%>100 0 3 3 12 10 %>100 0 0 0 0 0
%>95 15 29 28 41 36 %>95 2 5 5 6 3
%>90 74 81 75 77 72 %>90 34 33 32 30 17
%>85 99 99 97 96 93 %>85 87 80 77 70 53
%>80 100 100 100 100 99 %>80 100 98 97 94 86
%>75 100 100 100 100 100 %>75 100 100 100 100 98
%>70 100 100 100 100 100 %>70 100 100 100 100 100
DAYTON_OH DETROIT_MI
MGY 0624 0625 0626 0627 0628 DET 0624 0625 0626 0627 0628
MEAN 89 89 89 88 86 MEAN 89 83 82 82 80
%>100 0 0 0 0 0 %>100 1 1 0 0 0
%>95 6 4 5 5 2 %>95 10 5 2 3 0
%>90 42 35 35 30 18 %>90 44 16 11 12 4
%>85 89 85 82 74 57 %>85 82 39 33 31 17
%>80 100 99 99 96 90 %>80 97 66 62 59 47
%>75 100 100 100 100 99 %>75 99 86 85 82 78
%>70 100 100 100 100 100 %>70 100 96 96 95 95
EVANSVILLE_IN GRAND_RAPIDS_MI
EVV 0624 0625 0626 0627 0628 GRR 0624 0625 0626 0627 0628
MEAN 90 90 90 89 88 MEAN 85 81 81 79 78
%>100 0 0 0 1 1 %>100 0 0 0 0 0
%>95 3 5 9 9 8 %>95 2 1 1 0 0
%>90 44 46 47 43 34 %>90 17 7 7 3 1
%>85 94 93 88 83 73 %>85 52 24 26 15 8
%>80 100 100 99 98 95 %>80 86 54 57 41 33
%>75 100 100 100 100 100 %>75 98 82 84 71 69
%>70 100 100 100 100 100 %>70 100 96 97 91 92
GREENSBORO_NC HUNTSVILLE_AL
GSO 0624 0625 0626 0627 0628 HSV 0624 0625 0626 0627 0628
MEAN 91 91 90 91 89 MEAN 89 91 90 90 89
%>100 1 1 2 3 2 %>100 1 1 1 2 1
%>95 14 16 15 20 14 %>95 9 13 13 13 11
%>90 60 60 52 56 44 %>90 43 55 54 48 41
%>85 95 93 87 87 78 %>85 86 92 92 86 78
%>80 100 100 99 98 95 %>80 99 100 100 99 96
%>75 100 100 100 100 100 %>75 100 100 100 100 100
%>70 100 100 100 100 100 %>70 100 100 100 100 100
INDIANAPOLIS_IN KNOXVILLE_TN
IND 0624 0625 0626 0627 0628 TYS 0624 0625 0626 0627 0628
MEAN 88 88 88 86 85 MEAN 89 89 89 88 88
%>100 0 0 0 0 0 %>100 1 0 1 1 1
%>95 1 2 3 3 2 %>95 11 8 9 9 9
%>90 26 25 28 21 14 %>90 42 41 38 36 33
%>85 84 79 78 61 47 %>85 80 83 78 72 67
%>80 100 99 98 92 83 %>80 97 98 97 94 91
%>75 100 100 100 99 97 %>75 100 100 100 99 99
%>70 100 100 100 100 100 %>70 100 100 100 100 100
LEXINGTON_KY LOUISVILLE_KY
LEX 0624 0625 0626 0627 0628 SDF 0624 0625 0626 0627 0628
MEAN 88 88 88 87 86 MEAN 90 90 89 89 87
%>100 0 0 0 0 0 %>100 0 0 0 0 0
%>95 2 3 3 3 3 %>95 7 6 6 6 5
%>90 30 30 27 26 19 %>90 47 45 44 39 29
%>85 84 80 75 73 56 %>85 91 91 90 85 70
%>80 99 99 98 97 88 %>80 100 100 100 99 95
%>75 100 100 100 100 98 %>75 100 100 100 100 100
%>70 100 100 100 100 100 %>70 100 100 100 100 100
MEMPHIS_TN MIAMI_FL
MEM 0624 0625 0626 0627 0628 MIA 0624 0625 0626 0627 0628
MEAN 90 91 91 90 90 MEAN 91 92 92 92 91
%>100 0 1 1 0 1 %>100 2 3 6 4 3
%>95 10 15 15 10 12 %>95 17 22 28 24 20
%>90 54 62 62 52 49 %>90 62 65 68 64 60
%>85 94 95 95 92 87 %>85 95 95 94 93 92
%>80 100 100 100 100 99 %>80 100 100 100 99 100
%>75 100 100 100 100 100 %>75 100 100 100 100 100
%>70 100 100 100 100 100 %>70 100 100 100 100 100
MILWAUKEE_WI MOBILE_AL
MKE 0624 0625 0626 0627 0628 MOB 0624 0625 0626 0627 0628
MEAN 76 71 74 73 73 MEAN 90 90 91 91 91
%>100 0 0 0 0 0 %>100 1 1 2 2 5
%>95 0 0 0 0 0 %>95 12 13 19 18 24
%>90 1 1 2 1 0 %>90 47 54 61 60 60
%>85 7 3 7 5 3 %>85 84 91 92 92 89
%>80 25 10 21 18 12 %>80 98 100 99 100 99
%>75 54 26 44 41 36 %>75 100 100 100 100 100
%>70 83 53 71 68 68 %>70 100 100 100 100 100
NASHVILLE_TN NEW_YORK_CITY_NY
BNA 0624 0625 0626 0627 0628 NYC 0624 0625 0626 0627 0628
MEAN 91 91 91 91 89 MEAN 92 89 80 75 77
%>100 1 1 1 1 1 %>100 3 2 0 0 1
%>95 11 15 13 14 9 %>95 29 14 1 1 3
%>90 56 62 62 58 44 %>90 73 46 7 4 8
%>85 94 95 96 92 84 %>85 94 80 21 12 20
%>80 100 100 100 100 98 %>80 99 96 48 28 38
%>75 100 100 100 100 100 %>75 100 100 75 52 60
%>70 100 100 100 100 100 %>70 100 100 93 75 79
NORFOLK_VA ORLANDO_FL
ORF 0624 0625 0626 0627 0628 ORL 0624 0625 0626 0627 0628
MEAN 94 93 92 92 92 MEAN 89 89 91 92 92
%>100 8 5 9 13 15 %>100 0 0 2 5 8
%>95 41 33 32 34 35 %>95 3 4 18 27 31
%>90 83 77 66 62 61 %>90 34 39 61 67 66
%>85 98 97 90 85 83 %>85 87 88 93 93 91
%>80 100 100 99 96 95 %>80 100 100 100 99 99
%>75 100 100 100 99 99 %>75 100 100 100 100 100
%>70 100 100 100 100 100 %>70 100 100 100 100 100
PHILADELPHIA_PA PITTSBURGH_PA
PHL 0624 0625 0626 0627 0628 PIT 0624 0625 0626 0627 0628
MEAN 95 92 88 82 82 MEAN 88 87 86 85 83
%>100 5 6 4 3 4 %>100 0 0 0 0 0
%>95 49 28 15 8 10 %>95 5 4 2 2 1
%>90 94 66 37 20 22 %>90 35 25 18 16 10
%>85 100 92 65 37 39 %>85 81 68 56 53 38
%>80 100 99 87 58 59 %>80 98 95 89 87 75
%>75 100 100 97 77 77 %>75 100 100 99 99 95
%>70 100 100 99 90 89 %>70 100 100 100 100 100
PORTLAND_ME PROVIDENCE_RI
PWM 0624 0625 0626 0627 0628 PVD 0624 0625 0626 0627 0628
MEAN 82 76 65 63 63 MEAN 88 84 72 68 70
%>100 0 0 0 0 0 %>100 2 0 0 0 0
%>95 1 0 0 0 0 %>95 11 3 0 0 0
%>90 9 1 0 0 0 %>90 38 15 0 0 1
%>85 33 5 0 0 0 %>85 72 42 3 1 3
%>80 67 23 0 0 0 %>80 92 73 11 5 10
%>75 90 55 2 1 3 %>75 99 92 31 17 25
%>70 98 85 14 9 12 %>70 100 99 60 40 48
RALEIGH-DURHAM_NC RICHMOND_VA
RDU 0624 0625 0626 0627 0628 RIC 0624 0625 0626 0627 0628
MEAN 95 95 94 95 93 MEAN 97 95 95 94 93
%>100 10 11 10 19 13 %>100 28 12 16 16 17
%>95 51 50 43 49 40 %>95 65 50 47 43 38
%>90 91 89 83 80 72 %>90 91 87 80 74 64
%>85 100 99 98 95 93 %>85 99 99 96 93 85
%>80 100 100 100 99 99 %>80 100 100 100 99 95
%>75 100 100 100 100 100 %>75 100 100 100 100 99
%>70 100 100 100 100 100 %>70 100 100 100 100 100
SAVANNAH_GA TALLAHASSEE_FL
SAV 0624 0625 0626 0627 0628 TLH 0624 0625 0626 0627 0628
MEAN 89 90 92 94 93 MEAN 91 92 93 94 92
%>100 0 0 5 12 11 %>100 1 4 6 11 7
%>95 3 9 28 40 37 %>95 17 27 34 39 30
%>90 41 54 70 75 72 %>90 61 72 79 75 67
%>85 93 94 95 94 94 %>85 94 96 98 95 92
%>80 100 100 100 99 99 %>80 100 100 100 100 99
%>75 100 100 100 100 100 %>75 100 100 100 100 100
%>70 100 100 100 100 100 %>70 100 100 100 100 100
TAMPA_FL WASHINGTON_DC
TPA 0624 0625 0626 0627 0628 DCA 0624 0625 0626 0627 0628
MEAN 90 91 92 93 92 MEAN 97 94 93 90 88
%>100 1 2 6 7 7 %>100 19 5 7 8 7
%>95 12 16 30 33 29 %>95 65 37 32 24 20
%>90 52 55 69 72 65 %>90 95 82 70 50 41
%>85 90 89 94 94 91 %>85 100 98 94 76 65
%>80 99 99 99 100 99 %>80 100 100 99 92 84
%>75 100 100 100 100 100 %>75 100 100 100 98 95
%>70 100 100 100 100 100 %>70 100 100 100 100 99
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