Lewis, IA Weather Forecast & Alerts

Current conditions, 5-day forecast, and active NWS weather alerts for Lewis, IA.

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Current Conditions — Lewis, IA

ATLANTIC (KAIO)

NULL

64.4 F
Humidity:83%
Wind Speed:SE 15.0 mph
Barometer:29.68 in
Dewpoint:59.0 F
Visibility:10.00 mi
Precip:--
Heat Index:NA
Wind Chill:NA
Apr 26 2026, 08:35 PM CDT
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5-Day Forecast — Lewis, IA

Sunday

High 71 °F
T-storms
Sunday
Night
Low 57 °F
T-storms
Monday

High 68 °F
T-storms
Monday
Night
Low 41 °F
Mostly Cloudy
Tuesday

High 59 °F
Mostly Cloudy
Tuesday
Night
Low 37 °F
Partly Cloudy
Wednesday

High 62 °F
Partly Sunny
Wednesday
Night
Low 39 °F
Partly Cloudy
Thursday

High 64 °F
Isolated T-storm

Detailed Forecast — Lewis, IA

Sunday
Thunderstorms. High near 71°F. Wind 14 to 15 mph, with gusts as high as 23 mph.
Sunday Night
Thunderstorms. Low around 57°F. Wind 13 to 14 mph, with gusts as high as 22 mph.
Monday
Thunderstorms. High near 68°F. Wind 13 to 24 mph, with gusts as high as 35 mph.
Monday Night
Mostly Cloudy. Low around 41°F. Wind 14 to 23 mph, with gusts as high as 32 mph.
Tuesday
Mostly Cloudy. High near 59°F. Wind 8 to 10 mph, with gusts as high as 16 mph.
Tuesday Night
Partly Cloudy. Low around 37°F. Wind around 6 mph, with gusts as high as 12 mph.
Wednesday
Partly Sunny. High near 62°F. Wind 5 to 9 mph, with gusts as high as 14 mph.
Wednesday Night
Partly Cloudy. Low around 39°F. Wind around 2 mph, with gusts as high as 5 mph.
Thursday
Isolated T-storm. High near 64°F. Wind 8 to 9 mph, with gusts as high as 13 mph.
Thursday Night
Partly Cloudy. Low around 39°F. Wind around 3 mph, with gusts as high as 7 mph.
Friday
Partly Sunny. High near 64°F. Wind 5 to 7 mph, with gusts as high as 12 mph.
Friday Night
Mostly Clear. Low around 39°F. Wind around 2 mph, with gusts as high as 6 mph.
Saturday
Mostly Sunny. High near 71°F. Wind 6 to 7 mph, with gusts as high as 12 mph.
Saturday Night
Partly Cloudy. Low around 44°F. Wind around 5 mph, with gusts as high as 8 mph.
IA Radar
Current Radar • IA
Day 1 Outlook • April 27, 2026

Observation History — Lewis, IA

Time Wind
(mph)		 Vis
(mi)		 Weather Precip (in) Temperature (F) Relative
Humidity		 Wind
Chill
(F)		 Heat
Index
(F)		 Pressure
Air Dwpt altimeter
(in)		 sea level
(mb)
08:35 PM CDT SE 15.0 10.00 NULL -- 64.4 59.0 83% NA NA 29.68 1005.1
08:15 PM CDT 13.9 G 20.8 10.00 Clear -- 66.2 59.0 78% NA NA 29.68 1005.1
07:55 PM CDT 11.4 G 23.0 10.00 Clear -- 66.2 59.0 78% NA NA 29.68 1005.1
07:35 PM CDT 15.0 G 21.9 10.00 Mostly Clear -- 66.2 59.0 78% NA NA 29.68 1005.1
07:15 PM CDT SE 13.9 G 21.9 10.00 Partly Cloudy -- 66.2 59.0 78% NA NA 29.68 1004.8
06:55 PM CDT SE 16.1 10.00 Partly Cloudy -- 68.0 59.0 73% NA NA 29.68 1005.1
06:35 PM CDT SE 11.4 G 19.7 10.00 Mostly Clear -- 68.0 59.0 73% NA NA 29.68 1005.1
06:15 PM CDT SE 9.2 10.00 Clear -- 68.0 59.0 73% NA NA 29.67 1004.7
05:35 PM CDT 10.00 Light Rain -- NULL % NA NA M
05:15 PM CDT 6.9 G 16.1 4.00 Light Rain -- 66.2 59.0 78% NA NA 29.70 1005.8
04:55 PM CDT SE 9.2 10.00 Light Rain -- 68.0 59.0 73% NA NA 29.71 1006.1
04:35 PM CDT SE 12.8 6.00 Light Rain -- 69.8 57.2 64% NA NA 29.72 1006.4
04:15 PM CDT SE 12.7 9.00 Mostly Cloudy -- 71.6 55.4 57% NA 71.1 29.73 1006.8
03:55 PM CDT SE 11.4 10.00 Partly Cloudy -- 71.6 57.2 60% NA 71.2 29.74 1007.1
03:35 PM CDT 8.1 10.00 Mostly Cloudy -- 69.8 57.2 64% NA NA 29.74 1007.1
03:15 PM CDT SE 6.9 10.00 Partly Cloudy -- 69.8 57.2 64% NA NA 29.76 1007.8
02:55 PM CDT G 17.3 9.00 Light Unknown Precipitation -- NULL % NA NA M
02:35 PM CDT SE 10.3 G 19.7 10.00 Clear -- 71.6 55.4 57% NA 71.1 29.78 1008.5
02:15 PM CDT 12.8 G 19.7 10.00 Clear -- 69.8 57.2 64% NA NA 29.77 1008.1
01:55 PM CDT 9.2 G 19.6 10.00 Clear -- 69.8 57.2 64% NA NA 29.77 1008.1
01:35 PM CDT 13.9 10.00 Clear -- 68.0 57.2 68% NA NA 29.78 1008.5
01:15 PM CDT 10.00 Clear -- 68.0 57.2 68% NA NA 29.80 1009.1
12:55 PM CDT 8.1 G 13.9 10.00 Clear -- 68.0 57.2 68% NA NA 29.81 1009.5
12:35 PM CDT E 13.9 10.00 Clear -- 66.2 57.2 73% NA NA 29.83 1010.2

Regional Weather Observation

ATLANTIC (KAIO)

NULL
64.4 F

HARLAN MUNI (KHNR)

NULL
64.4 F

RED OAK (KRDK)

NULL
62.6 F

DENISON (KDNS)

NULL
64.4 F

COUNCIL BLUFFS (KCBF)

Clear
62.6 F

OMAHA/EPPLEY (KOMA)

Cloudy
64.4 F
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