Merrillan, WI Weather Forecast
Local 7-day forecast
Partly Sunny then Chance Rain Showers
Track current conditions, temperature changes, wind, and the full daily outlook for Merrillan, WI in one place.
A chance of rain showers after 1pm. Partly sunny, with a high near 74. West wind 3 to 8 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
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: Apr 13, 2026 3:32 AM CDT.
The active forecast window currently covers Apr 14 to Apr 19, 2026 for Merrillan, WI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 14 to Apr 19, 2026
- Latest sync
- Apr 13, 2026 3:32 AM CDT
- Forecast office
- ARX
- Source
- NOAA / NWS
Daily Outlook
This Week in Merrillan
Friday looks like the warmest upcoming period in Merrillan at 77 degrees F.
Saturday Night is the coolest period ahead with temperatures near 27 degrees F.
The strongest winds are forecast for Friday at about 6 to 14 mph S.
Precipitation is mentioned in 10 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 13, 2026 3:32 AM CDT
- Coverage
- 6 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
A chance of rain showers before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 48. North wind 2 to 6 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
A slight chance of rain showers before 1pm, then showers and thunderstorms likely. Partly sunny, with a high near 68. Northeast wind 3 to 7 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
Showers and thunderstorms likely. Mostly cloudy, with a low around 50. East wind around 6 mph. Chance of precipitation is 70%.
A chance of showers and thunderstorms. Partly sunny, with a high near 69. Northwest wind 5 to 8 mph. Chance of precipitation is 50%.
A chance of rain showers before 7pm. Mostly clear, with a low around 49. Southwest wind around 6 mph. Chance of precipitation is 30%.
A slight chance of rain showers between 7am and 1pm, then showers and thunderstorms likely. Mostly sunny, with a high near 77. South wind 6 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.
Showers and thunderstorms likely. Mostly cloudy, with a low around 39. Southwest wind around 13 mph, with gusts as high as 23 mph. Chance of precipitation is 70%.
A chance of rain showers before 4pm, then a chance of rain and snow showers. Partly sunny, with a high near 50. West wind 10 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
A chance of rain and snow showers before 1am. Mostly cloudy, with a low around 27. Northwest wind 7 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.
Mostly sunny, with a high near 52. West wind 7 to 10 mph, with gusts as high as 20 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Apr 14
|
Partly Sunny then Chance Rain Showers
|
74°F |
3 to 8 mph
W
|
|
Tuesday Night
Apr 14
|
Chance Showers And Thunderstorms
|
48°F |
2 to 6 mph
N
|
|
Wednesday
Apr 15
|
Showers And Thunderstorms Likely
|
68°F |
3 to 7 mph
NE
|
|
Wednesday Night
Apr 15
|
Showers And Thunderstorms Likely
|
50°F |
6 mph
E
|
|
Thursday
Apr 16
|
Chance Showers And Thunderstorms
|
69°F |
5 to 8 mph
NW
|
|
Thursday Night
Apr 16
|
Chance Rain Showers then Mostly Clear
|
49°F |
6 mph
SW
|
|
Friday
Apr 17
|
Showers And Thunderstorms Likely
|
77°F |
6 to 14 mph
S
|
|
Friday Night
Apr 17
|
Showers And Thunderstorms Likely
|
39°F |
13 mph
SW
|
|
Saturday
Apr 18
|
Chance Rain Showers then Chance Rain And Snow Showers
|
50°F |
10 to 14 mph
W
|
|
Saturday Night
Apr 18
|
Chance Rain And Snow Showers
|
27°F |
7 to 13 mph
NW
|
|
Sunday
Apr 19
|
Mostly Sunny
|
52°F |
7 to 10 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Merrillan.