Lake Mills, IA Weather Forecast
Local 7-day forecast
Chance Rain Showers then Mostly Cloudy
Track current conditions, temperature changes, wind, and the full daily outlook for Lake Mills, IA in one place.
A chance of rain showers before noon. Mostly cloudy, with a high near 49. North northwest wind 14 to 28 mph, with gusts as high as 43 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for Lake Mills, IA 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: Oct 15, 2026 2:35 PM CDT.
The active forecast window currently covers Oct 16 to Oct 21, 2026 for Lake Mills, IA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 16 to Oct 21, 2026
- Latest sync
- Oct 15, 2026 2:35 PM CDT
- Forecast office
- DMX
- Source
- NOAA / NWS
Daily Outlook
This Week in Lake Mills
Wednesday looks like the warmest upcoming period in Lake Mills at 70 degrees F.
Friday Night is the coolest period ahead with temperatures near 28 degrees F.
The strongest winds are forecast for Friday at about 14 to 28 mph NNW.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 15, 2026 2:35 PM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- DMX
- Radar station
- KMPX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Widespread frost after 10pm. Mostly clear. Low around 28, with temperatures rising to around 30 overnight. West northwest wind 1 to 10 mph, with gusts as high as 21 mph.
Widespread frost before 9am. Sunny, with a high near 56. South southwest wind 3 to 17 mph, with gusts as high as 26 mph.
Clear, with a low around 39.
Sunny, with a high near 64.
Mostly clear, with a low around 42.
Mostly sunny, with a high near 67.
Partly cloudy, with a low around 42.
Sunny, with a high near 68.
Mostly clear, with a low around 48.
A slight chance of rain showers after 1pm. Mostly sunny, with a high near 70.
A chance of rain showers. Partly cloudy, with a low around 50.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Oct 16
|
Chance Rain Showers then Mostly Cloudy
|
49°F |
14 to 28 mph
NNW
|
|
Friday Night
Oct 16
|
Widespread Frost
|
28°F |
1 to 10 mph
WNW
|
|
Saturday
Oct 17
|
Widespread Frost then Sunny
|
56°F |
3 to 17 mph
SSW
|
|
Saturday Night
Oct 17
|
Clear
|
39°F |
15 mph
SSW
|
|
Sunday
Oct 18
|
Sunny
|
64°F |
14 to 18 mph
SSW
|
|
Sunday Night
Oct 18
|
Mostly Clear
|
42°F |
3 to 10 mph
SSW
|
|
Monday
Oct 19
|
Mostly Sunny
|
67°F |
5 mph
S
|
|
Monday Night
Oct 19
|
Partly Cloudy
|
42°F |
2 mph
SSE
|
|
Tuesday
Oct 20
|
Sunny
|
68°F |
2 to 9 mph
SSE
|
|
Tuesday Night
Oct 20
|
Mostly Clear
|
48°F |
7 mph
SSE
|
|
Wednesday
Oct 21
|
Mostly Sunny then Slight Chance Rain Showers
|
70°F |
6 to 14 mph
S
|
|
Wednesday Night
Oct 21
|
Chance Rain Showers
|
50°F |
7 to 10 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Lake Mills.