Ontonagon, MI Weather Forecast & Current Conditions

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Ontonagon, MI Weather Maps

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Ontonagon Weather Map
UTC Time: 9/25/2026, 03:29
Your Time:
Aeronautical Observation: Automated synoptic observations via NWS Gateway.
Auto-refresh in: 5:02

Ontonagon, MI Regional Weather

Expires:202609250400;;009612
ASUS43 KDTX 250310
RWRMI 
MICHIGAN HOURLY REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
ISSUED BY NATIONAL WEATHER SERVICE GRAND RAPIDS MI
1100 PM EDT THU SEP 24 2026

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


MIZ001>003-009>011-084-250400-
WESTERN UPPER MICHIGAN
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
IRON MOUNTAIN  CLOUDY    56  49  77 CALM      30.34S TC  13           
HOUGHTON       CLOUDY    55  53  93 NE6       30.33R TC  13           
COPPER HARBOR    N/A     57  53  86 CALM      30.32F TC  14           
IRONWOOD       CLOUDY    55  51  86 SE5       30.33S TC  13           
$$

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

  

SKY/WX - Weather  TMP - Temperature  DP - Dew Point  RH - Humidity
WIND - Wind Direction/Speed PRES - Barometric Pressure VSB - Visibility
WCI - Wind Chill Index E13G22 Wind - East Wind 13 mph/Gusts of 22 mph

Ontonagon, MI

Tonight
Cloudy
52°11°
0%
Friday
Sunny
75°/ 47° 24°/ 8°
0%
Saturday
Sunny
73°/ 47° 23°/ 8°
0%
Sunday
Mostly Cloudy
68°20°
0%
Sun Night-Mon
Cloudy
50°10°
0%
Mon Night
Clear
55°13°
0%
Tuesday
Rain Showers
68°/ 54° 20°/ 12°
70%
Wednesday
Rain Showers
65°/ 49° 18°/ 9°
40%

Night: Cloudy this evening, then becoming partly cloudy. Lows in the lower 50s. Light south winds.

Ironwood, MI

Tonight
Cloudy
48°9°
0%
Friday
Sunny
70°/ 47° 21°/ 8°
0%
Saturday
Sunny
72°/ 48° 22°/ 9°
20%
Sunday
Mostly Cloudy
68°20°
0%
Sun Night-Mon
Cloudy
48°9°
0%
Mon Night
Cloudy
53°12°
0%
Tuesday
Rain Showers
68°/ 52° 20°/ 11°
70%
Wednesday
Rain Showers
63°/ 47° 17°/ 8°
40%

Night: Cloudy this evening, then becoming partly cloudy. Patchy fog. Lows in the upper 40s. Light south winds.

Kenton, MI

Tonight
Cloudy
48°9°
0%
Friday
Sunny
75°/ 45° 24°/ 7°
0%
Saturday
Sunny
75°/ 46° 24°/ 8°
0%
Sunday
Mostly Cloudy
71°22°
0%
Sun Night-Mon
Cloudy
48°9°
0%
Mon Night
Clear
52°11°
0%
Tuesday
Rain Showers
71°/ 53° 22°/ 12°
70%
Wednesday
Rain Showers
65°/ 47° 18°/ 8°
40%

Night: Cloudy this evening, then becoming mostly clear. Patchy fog. Lows in the upper 40s. Light south winds.

Houghton, MI

Tonight
Cloudy
52°11°
0%
Friday
Sunny
68°/ 46° 20°/ 8°
0%
Saturday
Sunny
69°/ 50° 21°/ 10°
0%
Sunday
Mostly Cloudy
69°21°
0%
Sun Night-Mon
Cloudy
51°11°
0%
Mon Night
Cloudy
54°12°
0%
Tuesday
Rain Showers
69°/ 54° 21°/ 12°
70%
Wednesday
Rain Showers
63°/ 50° 17°/ 10°
40%
Thursday
Rain Showers
62°17°
30%

Night: Cloudy this evening, then becoming partly cloudy. Lows in the lower 50s. Light south winds, becoming southwest 5 to 10 mph.

L'Anse, MI

Tonight
Cloudy
48°9°
0%
Friday
Sunny
69°/ 43° 21°/ 6°
0%
Saturday
Sunny
70°/ 44° 21°/ 7°
0%
Sunday
Mostly Cloudy
70°21°
0%
Sun Night-Mon
Cloudy
45°7°
0%
Mon Night
Clear
48°9°
0%
Tuesday
Rain Showers
67°/ 50° 19°/ 10°
70%
Wednesday
Rain Showers
61°/ 45° 16°/ 7°
50%
Thursday
Rain Showers
61°16°
40%

Night: Cloudy this evening, then becoming partly cloudy. Patchy fog. Lows in the upper 40s. Light south winds.

Hurley, WI

Tonight
Rain Showers
48°9°
40%
Friday
Sunny
72°/ 48° 22°/ 9°
0%
Saturday
Sunny
72°/ 48° 22°/ 9°
20%
Sunday
Mostly Cloudy
68°/ 52° 20°/ 11°
0%
Monday
Mostly Cloudy
68°/ 68° 20°/ 20°
70%
Wednesday
Rain Showers
62°/ 45° 17°/ 7°
50%
Thursday
Rain Showers
62°17°
30%

Night: Mostly cloudy. A chance of showers early this evening. Lows in the upper 40s. South winds around 5 mph. Chance of rain 40 percent.

Copper Harbor, MI

Tonight
Rain Showers
52°11°
20%
Friday
Sunny
64°/ 52° 18°/ 11°
0%
Saturday
Sunny
64°/ 53° 18°/ 12°
0%
Sunday
Mostly Cloudy
67°19°
0%
Sun Night
Cloudy
51°11°
0%
Mon Night
Cloudy
51°11°
0%
Tuesday
Rain Showers
67°/ 52° 19°/ 11°
70%
Wednesday
Rain Showers
61°/ 51° 16°/ 11°
50%
Thursday
Rain Showers
59°15°
30%

Night: Cloudy. A slight chance of showers this evening. Lows in the lower 50s. South winds 5 to 10 mph, becoming light southwest. Chance of rain 20 percent.

Iron River, MI

Tonight
Mostly Cloudy
45°7°
0%
Friday
Sunny
73°/ 42° 23°/ 6°
0%
Saturday
Sunny
72°/ 44° 22°/ 7°
0%
Sunday
Mostly Cloudy
70°21°
0%
Sun Night-Mon
Cloudy
45°7°
0%
Mon Night
Clear
48°9°
0%
Tuesday
Rain Showers
68°/ 52° 20°/ 11°
70%
Wednesday
Rain Showers
64°/ 47° 18°/ 8°
50%
Thursday
Rain Showers
63°17°
40%

Night: Mostly cloudy. Patchy fog. Lows in the mid 40s. Light south winds, becoming north.

Gwinn, MI

Tonight
Cloudy
48°9°
0%
Friday
Sunny
71°/ 44° 22°/ 7°
0%
Saturday
Sunny
71°/ 44° 22°/ 7°
0%
Sunday
Cloudy
71°/ 48° 22°/ 9°
0%
Monday
Cloudy
71°/ 52° 22°/ 11°
70%
Tuesday
Rain Showers
69°21°
40%
Wednesday
Rain Showers
63°/ 46° 17°/ 8°
50%
Thursday
Rain Showers
63°17°
40%

Night: Cloudy. Lows in the upper 40s. South winds 5 to 10 mph, becoming light southwest.

Ashland, WI

Tonight
Rain Showers
50°10°
50%
Friday
Sunny
72°/ 50° 22°/ 10°
0%
Saturday
Sunny
72°/ 50° 22°/ 10°
20%
Sunday
Rain Showers
68°20°
20%
Sun Night-Mon
Mostly Cloudy
48°9°
0%
Mon Night
Rain Showers
55°13°
20%
Tue-Tue Night
Rain Showers
68°20°
70%
Wednesday
Rain Showers
62°/ 48° 17°/ 9°
50%
Thursday
Rain Showers
62°17°
30%

Night: Mostly cloudy. A chance of showers early this evening. Lows around 50. South winds around 5 mph. Chance of rain 50 percent.

Washburn, WI

Tonight
Rain Showers
52°11°
50%
Friday
Sunny
72°/ 52° 22°/ 11°
0%
Saturday
Sunny
72°/ 52° 22°/ 11°
40%
Sunday
Mostly Cloudy
68°/ 55° 20°/ 13°
30%
Monday
Mostly Cloudy
68°/ 65° 20°/ 18°
70%
Wednesday
Rain Showers
62°/ 48° 17°/ 9°
40%
Thursday
Rain Showers
62°17°
20%

Night: Mostly cloudy. A chance of showers early this evening. Lows in the lower 50s. South winds around 5 mph. Chance of rain 50 percent.

Grand Marais, MN

Tonight
Rain Showers
52°11°
50%
Friday
Mostly Cloudy
65°/ 48° 18°/ 9°
0%
Saturday
Sunny
65°/ 50° 18°/ 10°
20%
Sunday
Rain Showers
62°17°
20%
Sun Night-Mon
Mostly Cloudy
48°9°
0%
Mon Night
Rain Showers
52°11°
40%
Tuesday
Rain Showers
60°/ 48° 16°/ 9°
70%
Wednesday
Rain Showers
60°/ 45° 16°/ 7°
50%
Thursday
Rain Showers
60°16°
30%

Night: Cloudy with a 50 percent chance of showers. Patchy fog. Near steady temperature in the lower 50s. Southeast winds around 5 mph early this evening, becoming light and variable.

Iron Mountain, MI

Tonight
Cloudy
45°7°
0%
Friday
Sunny
72°/ 44° 22°/ 7°
0%
Saturday
Sunny
72°/ 45° 22°/ 7°
0%
Sun-Sun Night
Cloudy
71°22°
0%
Mon-Mon Night
Clear
73°23°
0%
Tuesday
Rain Showers
69°/ 54° 21°/ 12°
70%
Wednesday
Rain Showers
65°/ 49° 18°/ 9°
50%
Thursday
Rain Showers
65°18°
40%

Night: Cloudy. Patchy fog. Lows in the mid 40s. Light southeast winds, becoming north.

Phillips, WI

Tonight
Rain Showers
48°9°
40%
Friday
Sunny
72°/ 48° 22°/ 9°
0%
Saturday
Sunny
68°/ 48° 20°/ 9°
20%
Sunday
Rain Showers
65°18°
20%
Sun Night-Mon
Mostly Cloudy
48°9°
0%
Mon Night
Rain Showers
52°11°
20%
Tuesday
Rain Showers
65°/ 52° 18°/ 11°
70%
Wednesday
Rain Showers
62°/ 48° 17°/ 9°
50%

Night: Mostly cloudy. A chance of showers early this evening. Lows in the upper 40s. South winds around 5 mph early this evening, becoming light and variable. Chance of rain 40 percent.

Two Harbors, MN

Tonight
Rain Showers
52°11°
40%
Friday
Partly Cloudy
65°/ 50° 18°/ 10°
0%
Saturday
Partly Cloudy
65°/ 52° 18°/ 11°
40%
Sunday
Rain Showers
65°18°
20%
Sun Night-Mon
Mostly Cloudy
50°10°
0%
Mon Night
Rain Showers
52°11°
40%
Tuesday
Rain Showers
62°/ 50° 17°/ 10°
80%
Wednesday
Rain Showers
62°/ 48° 17°/ 9°
40%
Thursday
Rain Showers
60°16°
30%

Night: Cloudy. A chance of showers early this evening, then a slight chance of showers. Patchy fog. Near steady temperature in the lower 50s. Southeast winds around 5 mph early this evening, becoming light and variable. Chance of rain 40 percent.

Hayward, WI

Tonight
Rain Showers
50°10°
50%
Friday
Sunny
72°/ 50° 22°/ 10°
0%
Saturday
Partly Cloudy
70°/ 50° 21°/ 10°
40%
Sunday
Rain Showers
65°18°
20%
Sun Night-Mon
Mostly Cloudy
48°9°
0%
Mon Night
Rain Showers
55°13°
30%
Tuesday
Rain Showers
65°/ 52° 18°/ 11°
80%
Wednesday
Rain Showers
62°/ 48° 17°/ 9°
50%
Thursday
Rain Showers
62°17°
20%

Night: Mostly cloudy. A chance of showers early this evening. Lows around 50. South winds around 5 mph early this evening, becoming light and variable. Chance of rain 50 percent.

Isabella, MN

Tonight
Rain Showers
52°11°
50%
Friday
Mostly Cloudy
68°/ 48° 20°/ 9°
0%
Saturday
Partly Cloudy
68°/ 52° 20°/ 11°
40%
Sunday
Rain Showers
65°18°
20%
Sun Night-Mon
Mostly Cloudy
48°9°
0%
Mon Night
Rain Showers
52°11°
50%
Tuesday
Rain Showers
62°/ 48° 17°/ 9°
70%
Wednesday
Rain Showers
62°/ 45° 17°/ 7°
40%

Night: Cloudy with a 50 percent chance of showers. Patchy fog. Near steady temperature in the lower 50s. South winds around 5 mph. Gusts up to 20 mph early this evening.

Superior, WI

Tonight
Rain Showers
52°11°
50%
Friday
Sunny
72°/ 52° 22°/ 11°
0%
Saturday
Partly Cloudy
70°/ 52° 21°/ 11°
40%
Sunday
Mostly Cloudy
68°/ 55° 20°/ 13°
40%
Monday
Mostly Cloudy
68°/ 52° 20°/ 11°
70%
Tuesday
Rain Showers
65°18°
80%
Wednesday
Rain Showers
62°/ 48° 17°/ 9°
40%
Thursday
Rain Showers
62°17°
20%

Night: Mostly cloudy. A chance of showers early this evening. Patchy fog. Lows in the lower 50s. South winds around 5 mph. Chance of rain 50 percent.

Grand Marais, MI

Tonight
Cloudy
48°9°
0%
Friday
Sunny
72°/ 41° 22°/ 5°
0%
Saturday
Sunny
73°/ 45° 23°/ 7°
0%
Sunday
Sunny
73°/ 46° 23°/ 8°
0%
Mon-Mon Night
Clear
72°22°
0%
Tuesday
Cloudy
72°/ 55° 22°/ 13°
70%
Wednesday
Rain Showers
66°/ 48° 19°/ 9°
50%
Thursday
Rain Showers
65°18°
40%

Night: Cloudy. Lows in the upper 40s. Light south winds.

Menominee, MI

Tonight
Cloudy
48°9°
0%
Friday
Sunny
72°/ 44° 22°/ 7°
0%
Saturday
Sunny
71°/ 47° 22°/ 8°
0%
Sun-Sun Night
Cloudy
71°22°
0%
Mon-Mon Night
Clear
72°22°
0%
Tuesday
Rain Showers
70°/ 56° 21°/ 13°
70%
Wednesday
Rain Showers
67°/ 51° 19°/ 11°
50%
Thursday
Rain Showers
66°19°
40%

Night: Cloudy. Patchy fog. Lows in the upper 40s. Light north winds.

Names listed above may include county names.

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