Regional Weather Roundup
Issued by NWS

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486
ASUS43 KDTX 171501
RWRMI
MICHIGAN HOURLY REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
1100 AM EDT MON AUG 17 2026

NOTE: "FAIR" INDICATES FEW OR NO CLOUDS BELOW 12,000 FEET WITH NO
SIGNIFICANT WEATHER AND/OR OBSTRUCTION TO VISIBILITY.

MIZ047>049-052>055-059>063-066>070-074>076-081>083-171600-
SOUTHEAST LOWER MICHIGAN

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ADRIAN         PTSUNNY   75  67  76 N8        29.99S TC  24
ALMA           MOSUNNY   72  59  64 VRB5      30.01S TC  22
ANN ARBOR        N/A    N/A N/A N/A MISG        N/A
BAD AXE        CLOUDY    70  61  73 N9        29.98R TC  21
CARO           CLOUDY    70  63  78 N5        30.00R TC  21
DETROIT CITY   CLOUDY    70  62  76 N8        29.98S TC  21
DETROIT        CLOUDY    72  66  81 N10       29.98R TC  22
FLINT          PTSUNNY   71  59  65 N7        30.00S TC  22
GROSSE ILE     CLOUDY    73  68  83 NE6       29.96S TC  23
HILLSDALE      PTSUNNY   73  64  73 VRB6      30.00S TC  23
HOWELL         PTSUNNY   68  59  73 VRB3      30.01R TC  20

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
JACKSON        MOSUNNY   71  61  70 NW6       30.00S TC  22
LANSING        MOSUNNY   69  59  70 NE6       30.02R TC  21
LAPEER         PTSUNNY   70  61  73 N6        30.00R TC  21
MASON          MOSUNNY   70  59  69 N7        30.00S TC  21
MONROE         PTSUNNY   75  70  83 NW7       29.96S TC  24
PONTIAC        PTSUNNY   67  60  78 NW6       30.00R TC  19
PORT HOPE        N/A     70  61  73 N12       29.98R TC  21
PORT HURON     MOSUNNY   72  61  68 CALM      29.98R TC  22
TRI CITIES     MOSUNNY   69  59  70 N7        30.01S TC  21
MIDLAND        MOSUNNY   73  55  53 NE7       30.00S TC  23
TROY           CLOUDY    70  63  78 VRB7      29.99R TC  21
SAGINAW HB     PTSUNNY   72  63  73 NW8       30.00R TC  22
$$
MIZ043>046-050>051-056>058-064>065-071>073-077>080-171600-
SOUTHWEST LOWER MICHIGAN

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
BATTLE CREEK   SUNNY     71  61  70 NE5       30.01S TC  22
BENTON HARBOR  PTSUNNY   73  62  68 CALM      30.00S TC  23
BIG RAPIDS     SUNNY     70  57  64 VRB1      30.03R TC  21
COLDWATER      MOSUNNY   72  66  83 NE6       30.00S TC  22
FREMONT        SUNNY     72  59  64 N9        30.03S TC  22
HOLLAND        MOSUNNY   72  60  66 MISG      30.02S TC  22
GRAND RAPIDS   MOSUNNY   71  60  68 NE8       30.02S TC  22
IONIA          MOSUNNY   70  61  73 N5        30.02R TC  21
KALAMAZOO      SUNNY     72  62  71 VRB3      30.01R TC  22
LUDINGTON      SUNNY     73  59  60 VRB3      30.03S TC  23
MARSHALL       CLOUDY    70  63  78 VRB1      30.01R TC  21
MOUNT PLEASANT MOSUNNY   73  57  56 NE7       30.01S TC  23
MUSKEGON       MOSUNNY   73  59  61 N9        30.03S TC  23
SOUTH HAVEN    SUNNY     73  63  68 N7        30.01R TC  23
SPARTA         MOSUNNY   72  59  64 N6        30.02S TC  22
$$
MIZ016>042-171600-
NORTHERN LOWER MICHIGAN

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ALPENA         MOSUNNY   71  58  63 VRB3      30.00S TC  22
BEAVER ISLAND  SUNNY     70  61  73 NW7       30.01F TC  21
BELLAIRE       PTSUNNY   71  58  64 CALM      30.02S TC  22
CADILLAC       PTSUNNY   72  59  64 NW6       30.04R TC  22
CHARLEVOIX     MOSUNNY   72  61  68 VRB6      30.01S TC  22
CHEBOYGAN      MOSUNNY   73  55  53 NW12      29.99S TC  23
FRANKFORT      MOSUNNY   72  63  73 VRB5      30.02F TC  22
GAYLORD        MOSUNNY   70  56  61 VRB6      30.03R TC  21
HARBOR SPRINGS PTSUNNY   73  59  60 W8        30.00S TC  23
HOUGHTON LAKE  MOSUNNY   70  57  63 VRB7      30.04S TC  21
MANISTEE       MOSUNNY   72  60  66 W8        30.03S TC  22
PELLSTON       MOSUNNY   73  57  57 NW12      30.01R TC  23
ROGERS CITY    PTSUNNY   70  61  73 N7        29.99S TC  21
TRAVERSE CITY  MOSUNNY   72  59  63 N5        30.01R TC  22
$$
MIZ007>008-015-171600-
EASTERN UPPER MICHIGAN

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
KINROSS        MOSUNNY   66  61  84 CALM      30.01R TC  19
MACKINAC ISLAN SUNNY     68  59  73 VRB6      30.00R TC  20
NEWBERRY       SUNNY     70  59  68 W3        30.00S TC  21
S. S. MARIE    MOSUNNY   67  59  75 VRB3      30.00R TC  19
$$
MIZ004>006-011>014-085-171600-
CENTRAL UPPER MICHIGAN

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
MANISTIQUE     SUNNY     70  61  73 NW3       30.00S TC  21
ESCANABA       CLOUDY    68  60  75 NW3       30.02S TC  20
MENOMINEE      SUNNY     73  59  61 VRB5      30.03S TC  23
SAWYER-GWINN   MOSUNNY   70  57  64 E2        30.02S TC  21
MUNISING         N/A     69  62  78 NE3       30.00S TC  21
$$
MIZ001>003-009>011-084-171600-
WESTERN UPPER MICHIGAN

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
IRON MOUNTAIN  SUNNY     73  57  57 W6        30.02S TC  23
HOUGHTON       CLOUDY    70  58  65 W13       30.00S TC  21
COPPER HARBOR    N/A     66  61  84 N9        29.98S TC  19
IRONWOOD       SUNNY     70  55  59 W9        30.05S TC  21
$$

ABBREVIATIONS USED IN REMARKS
   TC - TEMPERATURE IN CELSIUS
  WCI - WIND CHILL INDEX
   HX - HEAT INDEX
  VSB - VISIBILITY