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Day 1 Outlook • April 19, 2026
Day 2 Outlook • April 20, 2026
Day 3 Outlook • April 21, 2026
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dBZ 5
75

Hazardous Weather Conditions

  • No active alerts for WALNUT, IOWA

Current Conditions: WALNUT, IOWA

HARLAN MUNI (KHNR)

Clear

50.0 F
Humidity:30%
Wind Speed: G 27.7 mph
Barometer:30.12 in
Dewpoint:19.4 F
Visibility:10.00 mi
Precip:--
Heat Index:NA
Wind Chill:NA
Apr 18 2026, 06:35 PM CDT
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5 Day Forecast for WALNUT, IOWA (51577)

Saturday

High 55 °F
Partly Sunny
Saturday
Night
Low 33 °F
Partly Sunny
Sunday

High 59 °F
Partly Sunny
Sunday
Night
Low 32 °F
Mostly Clear
Monday

High 71 °F
Mostly Sunny
Monday
Night
Low 50 °F
Partly Cloudy
Tuesday

High 82 °F
Mostly Sunny
Tuesday
Night
Low 53 °F
Clear
Wednesday

High 82 °F
Mostly Sunny

Detailed Forecast for WALNUT, IOWA (51577)

Saturday
Partly Sunny. High near 55°F. Wind 17 to 22 mph, with gusts as high as 35 mph.
Saturday Night
Partly Sunny. Low around 33°F. Wind 5 to 12 mph, with gusts as high as 20 mph.
Sunday
Partly Sunny. High near 59°F. Wind 9 to 13 mph, with gusts as high as 18 mph.
Sunday Night
Mostly Clear. Low around 32°F. Wind 7 to 9 mph, with gusts as high as 15 mph.
Monday
Mostly Sunny. High near 71°F. Wind 14 to 18 mph, with gusts as high as 24 mph.
Monday Night
Partly Cloudy. Low around 50°F. Wind 14 to 16 mph, with gusts as high as 23 mph.
Tuesday
Mostly Sunny. High near 82°F. Wind 7 to 10 mph, with gusts as high as 16 mph.
Tuesday Night
Clear. Low around 53°F. Wind around 9 mph, with gusts as high as 15 mph.
Wednesday
Mostly Sunny. High near 82°F. Wind 18 to 22 mph, with gusts as high as 29 mph.
Wednesday Night
Slight Chance of Rain. Low around 59°F. Wind around 23 mph, with gusts as high as 29 mph.
Thursday
Thunderstorms Likely. High near 75°F. Wind 23 to 28 mph, with gusts as high as 33 mph.
Thursday Night
Thunderstorms Likely. Low around 42°F. Wind around 18 mph, with gusts as high as 23 mph.
Friday
Chance of Rain Showers. High near 57°F. Wind 16 to 23 mph, with gusts as high as 28 mph.
Friday Night
Partly Cloudy. Low around 37°F. Wind around 10 mph, with gusts as high as 16 mph.
IA Radar
Current Radar • IA
Day 1 Outlook • April 19, 2026

Observation History for WALNUT, IOWA

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)
06:35 PM CDT G 27.7 10.00 Clear -- 50.0 19.4 30% NA NA 30.12 1020.0
06:15 PM CDT NW 18.3 G 30.0 10.00 Mostly Clear -- 51.8 19.4 28% NA NA 30.12 1020.0
05:55 PM CDT NW 17.2 10.00 Mostly Cloudy -- 51.8 19.4 28% NA NA 30.12 1019.7
05:35 PM CDT G 26.4 10.00 Partly Cloudy -- 51.8 17.6 26% NA NA 30.12 1020.0
05:15 PM CDT G 31.1 10.00 Clear -- 50.0 17.6 27% NA NA 30.12 1019.7
04:55 PM CDT 19.7 G 27.7 10.00 Mostly Clear and Windy -- 51.8 17.6 26% NA NA 30.12 1019.7
04:35 PM CDT 10.00 Mostly Clear -- 51.8 19.4 28% NA NA 30.12 1019.7
04:15 PM CDT 18.3 G 27.7 10.00 Mostly Clear -- 51.8 17.6 26% NA NA 30.12 1020.0
03:55 PM CDT G 32.2 10.00 Mostly Clear -- 50.0 15.8 25% NA NA 30.13 1020.3
03:35 PM CDT G 33.3 10.00 Clear -- 51.8 14.0 22% NA NA 30.13 1020.3
03:15 PM CDT NW 19.7 G 26.4 10.00 Clear and Windy -- 51.8 14.0 22% NA NA 30.14 1020.7
02:55 PM CDT G 32.2 10.00 Clear -- 50.0 12.2 22% NA NA 30.13 1020.3
02:35 PM CDT 18.3 G 27.7 10.00 Clear -- 50.0 14.0 23% NA NA 30.14 1020.7
02:15 PM CDT G 32.2 10.00 Clear -- 50.0 12.2 22% NA NA 30.14 1020.7
01:55 PM CDT 16.1 10.00 NULL -- 48.2 14.0 25% 42.1 NA 30.15 1021.0
01:35 PM CDT NW 19.7 G 25.3 10.00 Clear and Windy -- 48.2 15.8 27% 41.4 NA 30.14 1020.7
01:15 PM CDT NW 20.8 G 30.0 10.00 Clear and Windy -- 46.4 14.0 27% 38.7 NA 30.15 1021.0
12:55 PM CDT G 32.2 10.00 Clear -- 46.4 14.0 27% NA NA 30.15 1021.0
12:35 PM CDT 10.00 Clear -- 46.4 14.0 27% NA NA 30.14 1020.7
12:15 PM CDT G 28.9 10.00 Clear -- 44.6 15.8 31% NA NA 30.15 1021.0
11:55 AM CDT NW 21.9 G 31.1 10.00 Clear and Windy -- 44.6 17.6 34% 36.1 NA 30.15 1021.0
11:35 AM CDT G 28.9 10.00 Clear -- 42.8 19.4 39% NA NA 30.15 1021.0
10:55 AM CDT G 31.1 10.00 Clear -- 41.0 17.6 38% NA NA 30.13 1020.3
10:35 AM CDT NW 23.0 G 30.0 10.00 Clear and Windy -- 41.0 17.6 38% 31.1 NA 30.13 1020.3

Regional Weather Observation

HARLAN MUNI (KHNR)

Clear
50.0 F

DENISON (KDNS)

Clear
50.0 F

ATLANTIC (KAIO)

Partly Cloudy
50.0 F

COUNCIL BLUFFS (KCBF)

Clear
53.6 F

OMAHA/EPPLEY (KOMA)

Mostly Cloudy
53.6 F

RED OAK (KRDK)

Clear
51.8 F
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