Merrill, WI Weather Forecast
Local 7-day forecast
Smoke
Track current conditions, temperature changes, wind, and the full daily outlook for Merrill, WI in one place.
Smoke. Mostly sunny, with a high near 82. Heat index values as high as 82. North northwest wind 8 to 12 mph, with gusts as high as 20 mph.
Local Weather Overview
This forecast page for Merrill, 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: Jul 18, 2026 12:15 AM CDT.
The active forecast window currently covers Jul 18 to Jul 24, 2026 for Merrill, WI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 18 to Jul 24, 2026
- Latest sync
- Jul 18, 2026 12:15 AM CDT
- Forecast office
- GRB
- Source
- NOAA / NWS
Daily Outlook
This Week in Merrill
Monday looks like the warmest upcoming period in Merrill at 85 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 51 degrees F.
The strongest winds are forecast for Tuesday at about 12 to 17 mph NW.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 18, 2026 12:15 AM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- GRB
- Radar station
- KGRB
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Smoke. Partly cloudy. Low around 55, with temperatures rising to around 57 overnight. Northeast wind 0 to 9 mph.
Smoke before 7am. Sunny, with a high near 82. Heat index values as high as 82. South southwest wind 0 to 6 mph.
A chance of showers and thunderstorms between 1am and 4am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 63. South southwest wind 5 to 8 mph, with gusts as high as 18 mph. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 7am, then showers and thunderstorms likely between 7am and 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 85. Chance of precipitation is 70%.
A chance of showers and thunderstorms. Partly cloudy, with a low around 62. Chance of precipitation is 50%.
A slight chance of rain showers before 7am. Sunny, with a high near 77. Chance of precipitation is 20%.
Partly cloudy, with a low around 51.
Sunny, with a high near 75.
Mostly clear, with a low around 51.
Sunny, with a high near 78.
A slight chance of rain showers after 7pm. Mostly clear, with a low around 55. Chance of precipitation is 20%.
A slight chance of rain showers before 7am, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 78. Chance of precipitation is 20%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Jul 18
|
Smoke
|
82°F |
8 to 12 mph
NNW
|
|
Saturday Night
Jul 18
|
Smoke
|
55°F |
0 to 9 mph
NE
|
|
Sunday
Jul 19
|
Smoke then Sunny
|
82°F |
0 to 6 mph
SSW
|
|
Sunday Night
Jul 19
|
Partly Cloudy then Chance Showers And Thunderstorms
|
63°F |
5 to 8 mph
SSW
|
|
Monday
Jul 20
|
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
|
85°F |
9 to 14 mph
SW
|
|
Monday Night
Jul 20
|
Chance Showers And Thunderstorms
|
62°F |
8 to 14 mph
W
|
|
Tuesday
Jul 21
|
Slight Chance Rain Showers then Sunny
|
77°F |
12 to 17 mph
NW
|
|
Tuesday Night
Jul 21
|
Partly Cloudy
|
51°F |
6 to 17 mph
NNW
|
|
Wednesday
Jul 22
|
Sunny
|
75°F |
9 mph
NNW
|
|
Wednesday Night
Jul 22
|
Mostly Clear
|
51°F |
1 to 7 mph
WNW
|
|
Thursday
Jul 23
|
Sunny
|
78°F |
2 to 7 mph
W
|
|
Thursday Night
Jul 23
|
Slight Chance Rain Showers
|
55°F |
2 to 6 mph
W
|
|
Friday
Jul 24
|
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
78°F |
2 to 6 mph
NW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Merrill.
