Merrillan, WI Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Merrillan, WI in one place.
Mostly sunny, with a high near 85. East wind around 5 mph.
Local Weather Overview
This forecast page for Merrillan, WI is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: May 29, 2026 5:30 PM CDT.
The active forecast window currently covers May 29 to Jun 4, 2026 for Merrillan, WI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- May 29 to Jun 4, 2026
- Latest sync
- May 29, 2026 5:30 PM CDT
- Forecast office
- ARX
- Source
- NOAA / NWS
Daily Outlook
This Week in Merrillan
Tuesday looks like the warmest upcoming period in Merrillan at 87 degrees F.
Saturday Night is the coolest period ahead with temperatures near 51 degrees F.
The strongest winds are forecast for Saturday at about 6 to 13 mph E.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- May 29, 2026 5:30 PM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- ARX
- Radar station
- KARX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly cloudy. Low around 55, with temperatures rising to around 58 overnight. Southeast wind around 5 mph.
Partly sunny. High near 80, with temperatures falling to around 77 in the afternoon. East wind 6 to 13 mph, with gusts as high as 22 mph.
Mostly cloudy, with a low around 51. East wind 7 to 12 mph, with gusts as high as 21 mph.
Mostly sunny, with a high near 80. Southeast wind around 7 mph.
Mostly cloudy, with a low around 52. Southeast wind 1 to 5 mph.
Partly sunny, with a high near 85. East wind 1 to 5 mph.
Partly cloudy, with a low around 53. East wind around 3 mph.
Sunny, with a high near 87. Southeast wind around 6 mph.
Partly cloudy, with a low around 54. Southeast wind around 5 mph.
Mostly sunny, with a high near 86. South wind 2 to 7 mph.
A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 60. South wind around 6 mph. Chance of precipitation is 20%.
A chance of showers and thunderstorms. Partly sunny, with a high near 86. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 60. South wind 3 to 8 mph. Chance of precipitation is 50%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
This Afternoon
May 29
|
Mostly Sunny
|
85°F |
5 mph
E
|
|
Tonight
May 29
|
Mostly Cloudy
|
55°F |
5 mph
SE
|
|
Saturday
May 30
|
Partly Sunny
|
80°F |
6 to 13 mph
E
|
|
Saturday Night
May 30
|
Mostly Cloudy
|
51°F |
7 to 12 mph
E
|
|
Sunday
May 31
|
Mostly Sunny
|
80°F |
7 mph
SE
|
|
Sunday Night
May 31
|
Mostly Cloudy
|
52°F |
1 to 5 mph
SE
|
|
Monday
Jun 1
|
Partly Sunny
|
85°F |
1 to 5 mph
E
|
|
Monday Night
Jun 1
|
Partly Cloudy
|
53°F |
3 mph
E
|
|
Tuesday
Jun 2
|
Sunny
|
87°F |
6 mph
SE
|
|
Tuesday Night
Jun 2
|
Partly Cloudy
|
54°F |
5 mph
SE
|
|
Wednesday
Jun 3
|
Mostly Sunny
|
86°F |
2 to 7 mph
S
|
|
Wednesday Night
Jun 3
|
Partly Cloudy then Slight Chance Showers And Thunderstorms
|
60°F |
6 mph
S
|
|
Thursday
Jun 4
|
Chance Showers And Thunderstorms
|
86°F |
5 to 10 mph
SW
|
|
Thursday Night
Jun 4
|
Chance Showers And Thunderstorms
|
60°F |
3 to 8 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Merrillan.