Mercer, WI Weather Forecast & Alerts

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

0 Currently Active Alerts for Mercer

✅
No active weather alerts for Mercer at this time.
Subscribe to receive instant notifications when alerts are issued.

Current Conditions — Mercer, WI

IRONWOOD (KIWD)

Clear

NULL F
Humidity:%
Wind Speed:SE 8.1 G 17.2 mph
Barometer: in
Dewpoint:36.0 F
Visibility:10.00 mi
Precip:--
Heat Index:NA
Wind Chill:NA
Apr 22 2026, 11:56 PM CDT
Severe Weather Alerts
Severe Weather
 		Daily Weather Forecast
Daily Forecast
 		Observation Alert Monitoring
Observations
 		Storm Report Monitoring
Storm Reports

5-Day Forecast — Mercer, WI

Thursday

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

High 60 °F
T-storms Likely
Friday
Night
Low 35 °F
Slight Chance of Rain
Saturday

High 59 °F
Partly Sunny
Saturday
Night
Low 37 °F
Partly Cloudy
Sunday

High 64 °F
Partly Sunny
Sunday
Night
Low 42 °F
Chance of Rain
Monday

High 59 °F
Rain Likely

Detailed Forecast — Mercer, WI

Thursday
Thunderstorms Likely. High near 77°F. Wind 10 to 15 mph, with gusts as high as 29 mph.
Thursday Night
Thunderstorms. Low around 48°F. Wind 8 to 10 mph, with gusts as high as 24 mph.
Friday
Thunderstorms Likely. High near 60°F. Wind 6 to 8 mph, with gusts as high as 16 mph.
Friday Night
Slight Chance of Rain. Low around 35°F. Wind around 5 mph, with gusts as high as 12 mph.
Saturday
Partly Sunny. High near 59°F. Wind 3 to 8 mph, with gusts as high as 16 mph.
Saturday Night
Partly Cloudy. Low around 37°F. Wind around 1 mph, with gusts as high as 7 mph.
Sunday
Partly Sunny. High near 64°F. Wind 5 to 6 mph, with gusts as high as 13 mph.
Sunday Night
Chance of Rain. Low around 42°F. Wind around 7 mph, with gusts as high as 15 mph.
Monday
Rain Likely. High near 59°F. Wind 12 to 15 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 55°F. Wind 9 to 14 mph, with gusts as high as 23 mph.
Tuesday Night
Mostly Cloudy. Low around 33°F. Wind around 3 mph, with gusts as high as 12 mph.
Wednesday
Slight Chance of Rain/Snow Mix. High near 50°F. Wind 6 to 10 mph, with gusts as high as 18 mph.
WI Radar
Current Radar • WI
Day 1 Outlook • April 23, 2026

Observation History — Mercer, 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)
11:56 PM CDT SE 8.1 G 17.2 10.00 Clear -- NULL 36.0 % NA NA M
10:56 PM CDT 13.9 G 23.0 10.00 Clear -- NULL 36.0 % NA NA M
09:56 PM CDT 9.2 G 20.8 10.00 Clear -- NULL 36.0 % NA NA M
08:56 PM CDT G 21.9 10.00 Clear -- NULL 36.0 % NA NA M
07:56 PM CDT 12.8 G 19.7 10.00 Partly Cloudy -- NULL 35.1 % NA NA M
06:56 PM CDT 10.3 10.00 Clear -- NULL 35.1 % NA NA M
05:56 PM CDT S 11.4 G 17.2 10.00 Clear -- NULL 35.1 % NA NA M
04:56 PM CDT 12.8 G 23.0 10.00 Clear -- NULL 34.0 % NA NA M
03:56 PM CDT S 10.3 G 18.3 10.00 Clear -- NULL 33.1 % NA NA M
03:00 PM CDT 10.00 Clear -- 73.4 30.2 20% NA 71.4 M
02:56 PM CDT SE 11.4 10.00 Clear -- NULL 30.0 % NA NA M
02:25 PM CDT SE 8.1 10.00 Clear -- 73.4 28.4 19% NA 71.2 M
02:10 PM CDT 5.7 10.00 Clear -- 73.4 26.6 17% NA 71.2 M
02:00 PM CDT 9.2 10.00 Clear -- 71.6 26.6 19% NA 69.3 M
01:35 PM CDT SE 13.8 10.00 Clear -- 71.6 26.6 19% NA 69.3 M
01:25 PM CDT E 11.5 10.00 Clear -- 71.6 26.6 19% NA 69.3 M
01:10 PM CDT E 10.4 10.00 Clear -- 71.6 26.6 19% NA 69.3 M
12:56 PM CDT 9.2 10.00 Clear -- 70.0 27.0 20% NA NA M
12:45 PM CDT 9.2 10.00 Clear -- 69.8 26.6 20% NA NA M
12:25 PM CDT E 8.1 10.00 Clear -- 68.0 24.8 19% NA NA M
12:20 PM CDT SE 10.4 10.00 Clear -- 68.0 26.6 21% NA NA M
12:10 PM CDT S 9.2 10.00 Clear -- 66.2 24.8 21% NA NA M
12:00 PM CDT 8.1 10.00 Clear -- 66.2 24.8 21% NA NA M
11:45 AM CDT 9.2 10.00 Clear -- 66.2 26.6 22% NA NA M

Regional Weather Observation

IRONWOOD (KIWD)

Clear
NULL F

ASHLAND (KASX)

Clear
NULL F

MANITOWISH WATER (KD25)

Clear
55.2 F

LA POINTE (K4R5)

Clear
40.8 F

LAND O LAKES (KLNL)

Clear
55.4 F

PHILLIPS/PRICE (KPBH)

Clear
58.1 F
🔔    Sign-up to receive daily weather forecasts by email or text - subscribe