Mellen, WI Weather Forecast & Alerts

Current conditions, 5-day forecast, and active NWS weather alerts for Mellen, WI.

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Current Conditions — Mellen, WI

ASHLAND (KASX)

Clear

NULL F
Humidity:%
Wind Speed: 5.8 mph
Barometer:29.72 in
Dewpoint:37.9 F
Visibility:10.00 mi
Precip:--
Heat Index:NA
Wind Chill:NA
Apr 23 2026, 12:53 AM CDT
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5-Day Forecast — Mellen, WI

Thursday

High 77 °F
T-storms
Thursday
Night
Low 48 °F
T-storms
Friday

High 59 °F
Chance of Rain
Friday
Night
Low 35 °F
Slight Chance of Rain
Saturday

High 59 °F
Partly Sunny
Saturday
Night
Low 39 °F
Partly Cloudy
Sunday

High 64 °F
Partly Sunny
Sunday
Night
Low 44 °F
Chance of Rain
Monday

High 59 °F
Rain Likely

Detailed Forecast — Mellen, WI

Thursday
Thunderstorms. High near 77°F. Wind 13 to 15 mph, with gusts as high as 31 mph.
Thursday Night
Thunderstorms. Low around 48°F. Wind 8 to 12 mph, with gusts as high as 24 mph.
Friday
Chance of Rain. High near 59°F. Wind 6 to 9 mph, with gusts as high as 16 mph.
Friday Night
Slight Chance of Rain. Low around 35°F. Wind around 6 mph, with gusts as high as 12 mph.
Saturday
Partly Sunny. High near 59°F. Wind 5 to 8 mph, with gusts as high as 17 mph.
Saturday Night
Partly Cloudy. Low around 39°F. Wind around 3 mph, with gusts as high as 7 mph.
Sunday
Partly Sunny. High near 64°F. Wind around 6 mph, with gusts as high as 13 mph.
Sunday Night
Chance of Rain. Low around 44°F. Wind around 7 mph, with gusts as high as 16 mph.
Monday
Rain Likely. High near 59°F. Wind 10 to 13 mph, with gusts as high as 25 mph.
Monday Night
Chance of Rain. Low around 39°F. Wind around 9 mph, with gusts as high as 20 mph.
Tuesday
Chance of Rain. High near 53°F. Wind 9 to 13 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly Cloudy. Low around 35°F. Wind around 5 mph, with gusts as high as 12 mph.
Wednesday
Slight Chance of Rain. High near 50°F. Wind 6 to 9 mph, with gusts as high as 18 mph.
WI Radar
Current Radar • WI
Day 1 Outlook • April 23, 2026

Observation History — Mellen, WI

Time Wind
(mph)		 Vis
(mi)		 Weather Precip (in) Temperature (F) Relative
Humidity		 Wind
Chill
(F)		 Heat
Index
(F)		 Pressure
Air Dwpt altimeter
(in)		 sea level
(mb)
12:53 AM CDT 5.8 10.00 Clear -- NULL 37.9 % NA NA 29.72 1006.4
11:53 PM CDT 10.3 10.00 Clear -- NULL 37.0 % NA NA 29.73 1006.8
11:05 PM CDT 5.7 10.00 Clear -- 53.6 35.6 50% NA NA 29.74 1007.1
11:00 PM CDT 4.6 10.00 Clear -- 50.0 33.8 54% NA NA 29.75 1007.5
10:35 PM CDT 0.0 10.00 Clear -- 42.8 32.0 65% NA NA 29.75 1007.5
10:20 PM CDT E 3.4 10.00 Clear -- 42.8 32.0 65% 41.0 NA 29.76 1007.8
10:15 PM CDT E 3.4 10.00 Clear -- 42.8 32.0 65% 41.0 NA 29.76 1007.8
10:10 PM CDT 0.0 10.00 Clear -- 42.8 32.0 65% NA NA 29.76 1007.8
10:00 PM CDT 0.0 10.00 Clear -- 42.8 32.0 65% NA NA 29.77 1008.1
09:45 PM CDT 0.0 10.00 Clear -- 42.8 32.0 65% NA NA 29.77 1008.1
09:40 PM CDT 0.0 10.00 Clear -- 42.8 33.8 70% NA NA 29.77 1008.1
09:35 PM CDT 0.0 10.00 Clear -- 42.8 33.8 70% NA NA 29.77 1008.1
09:20 PM CDT 0.0 10.00 Clear -- 42.8 32.0 65% NA NA 29.77 1008.1
08:53 PM CDT 0.0 10.00 Clear -- NULL 32.0 % NA NA 29.78 1008.5
08:30 PM CDT 0.0 10.00 Clear -- 44.6 30.2 57% NA NA 29.79 1008.8
08:15 PM CDT 0.0 10.00 Clear -- 44.6 30.2 57% NA NA 29.79 1008.8
08:00 PM CDT 0.0 10.00 Clear -- 46.4 30.2 53% NA NA 29.79 1008.8
07:45 PM CDT W 3.4 10.00 Mostly Clear -- 46.4 28.4 49% 45.1 NA 29.80 1009.1
07:35 PM CDT 0.0 10.00 Mostly Clear -- 48.2 28.4 46% NA NA 29.80 1009.1
07:25 PM CDT 0.0 10.00 Mostly Clear -- 48.2 28.4 46% NA NA 29.79 1008.8
07:15 PM CDT W 4.6 10.00 Clear -- 46.4 28.4 49% 44.2 NA 29.80 1009.1
06:20 PM CDT 10.00 Clear -- 46.4 28.4 49% NA NA 29.80 1009.1
06:10 PM CDT 8.1 10.00 Clear -- 46.4 28.4 49% 42.4 NA 29.80 1009.1
05:53 PM CDT 9.2 10.00 Clear -- NULL 30.0 % NA NA 29.81 1009.5

Regional Weather Observation

ASHLAND (KASX)

Clear
NULL F

LA POINTE (K4R5)

Clear
NULL F

IRONWOOD (KIWD)

Clear
59.0 F

HAYWARD (KHYR)

Clear
62.6 F

SOLON SPRINGS (KOLG)

Clear
NULL F

MANITOWISH WATER (KD25)

Clear
53.6 F
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