Lewis, IA Weather Forecast
Local 7-day forecast
Showers And Thunderstorms Likely
Track current conditions, temperature changes, wind, and the full daily outlook for Lewis, IA in one place.
Showers and thunderstorms likely after 7am. Partly sunny. High near 79, with temperatures falling to around 66 in the afternoon. Southwest wind 18 to 23 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
Local Weather Overview
This forecast page for Lewis, 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: Apr 16, 2026 8:50 AM CDT.
The active forecast window currently covers Apr 17 to Apr 22, 2026 for Lewis, IA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 17 to Apr 22, 2026
- Latest sync
- Apr 16, 2026 8:50 AM CDT
- Forecast office
- DMX
- Source
- NOAA / NWS
Daily Outlook
This Week in Lewis
Friday looks like the warmest upcoming period in Lewis at 79 degrees F.
Saturday Night is the coolest period ahead with temperatures near 31 degrees F.
The strongest winds are forecast for Friday at about 18 to 23 mph SW.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 16, 2026 8:50 AM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- DMX
- Radar station
- KOAX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Rain showers likely. Partly cloudy. Low around 34, with temperatures rising to around 36 overnight. North northwest wind 16 to 21 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
A slight chance of rain showers before 7am. Sunny, with a high near 54. Northwest wind 14 to 21 mph, with gusts as high as 29 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Mostly clear, with a low around 31.
Sunny, with a high near 64.
Mostly clear, with a low around 40.
Sunny, with a high near 73.
Mostly clear, with a low around 49.
Sunny, with a high near 75.
Mostly clear, with a low around 49.
A slight chance of rain showers after 1pm. Sunny, with a high near 75.
A slight chance of rain showers before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 52.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Apr 17
|
Showers And Thunderstorms Likely
|
79°F |
18 to 23 mph
SW
|
|
Friday Night
Apr 17
|
Rain Showers Likely
|
34°F |
16 to 21 mph
NNW
|
|
Saturday
Apr 18
|
Slight Chance Rain Showers then Sunny
|
54°F |
14 to 21 mph
NW
|
|
Saturday Night
Apr 18
|
Mostly Clear
|
31°F |
3 to 16 mph
WNW
|
|
Sunday
Apr 19
|
Sunny
|
64°F |
3 to 10 mph
W
|
|
Sunday Night
Apr 19
|
Mostly Clear
|
40°F |
7 to 10 mph
SE
|
|
Monday
Apr 20
|
Sunny
|
73°F |
10 to 21 mph
SSE
|
|
Monday Night
Apr 20
|
Mostly Clear
|
49°F |
13 to 18 mph
SSW
|
|
Tuesday
Apr 21
|
Sunny
|
75°F |
12 to 17 mph
SSW
|
|
Tuesday Night
Apr 21
|
Mostly Clear
|
49°F |
12 to 15 mph
S
|
|
Wednesday
Apr 22
|
Sunny then Slight Chance Rain Showers
|
75°F |
10 to 18 mph
SSE
|
|
Wednesday Night
Apr 22
|
Chance Showers And Thunderstorms
|
52°F |
13 to 16 mph
SE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Lewis.