Delta, IA Weather Forecast & Alerts

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

Current Conditions — Delta, IA

OSKALOOSA MUNI (KOOA)

Partly Cloudy

60.1 F
Humidity:33%
Wind Speed: G 21.9 mph
Barometer:30.03 in
Dewpoint:30.6 F
Visibility:10.00 mi
Precip:--
Heat Index:NA
Wind Chill:NA
May 1 2026, 01:55 PM CDT
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5-Day Forecast — Delta, IA

Friday

High 59 °F
Chance of T-storms
Friday
Night
Low 35 °F
Partly Cloudy
Saturday

High 62 °F
Partly Sunny
Saturday
Night
Low 42 °F
Slight Chance of Rain
Sunday

High 73 °F
Partly Sunny
Sunday
Night
Low 46 °F
Partly Cloudy
Monday

High 80 °F
Chance of Scattered T-storms
Monday
Night
Low 46 °F
Chance of Showers
Tuesday

High 62 °F
Chance of Rain Showers

Detailed Forecast — Delta, IA

Friday
Chance of Thunderstorms. High near 59°F. Wind 8 to 9 mph, with gusts as high as 16 mph.
Friday Night
Partly Cloudy. Low around 35°F. Wind 3 to 8 mph, with gusts as high as 13 mph.
Saturday
Partly Sunny. High near 62°F. Wind 3 to 8 mph, with gusts as high as 13 mph.
Saturday Night
Slight Chance of Rain. Low around 42°F. Wind 6 to 10 mph, with gusts as high as 20 mph.
Sunday
Partly Sunny. High near 73°F. Wind 8 to 14 mph, with gusts as high as 23 mph.
Sunday Night
Partly Cloudy. Low around 46°F. Wind around 5 mph, with gusts as high as 9 mph.
Monday
Chance of Scattered Thunderstorms. High near 80°F. Wind 10 to 14 mph, with gusts as high as 20 mph.
Monday Night
Chance of Showers. Low around 46°F. Wind around 8 mph, with gusts as high as 15 mph.
Tuesday
Chance of Rain Showers. High near 62°F. Wind 10 to 13 mph, with gusts as high as 18 mph.
Tuesday Night
Mostly Cloudy. Low around 41°F. Wind around 7 mph, with gusts as high as 13 mph.
Wednesday
Slight Chance of Rain Showers. High near 59°F. Wind 8 to 12 mph, with gusts as high as 17 mph.
Wednesday Night
Partly Cloudy. Low around 39°F. Wind around 6 mph, with gusts as high as 10 mph.
Thursday
Partly Sunny. High near 64°F. Wind 8 to 12 mph, with gusts as high as 18 mph.
IA Radar
Current Radar • IA
Day 1 Outlook • May 1, 2026

Observation History — Delta, 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)
01:55 PM CDT G 21.9 10.00 Partly Cloudy -- 60.1 30.6 33% NA NA 30.03 1016.9
01:35 PM CDT 9.2 10.00 Partly Cloudy -- 60.6 32.2 34% NA NA 30.02 1016.6
01:15 PM CDT 12.8 10.00 Partly Cloudy -- 58.8 31.6 36% NA NA 30.02 1016.6
12:55 PM CDT 0.0 10.00 Partly Cloudy -- 58.3 32.0 37% NA NA 30.03 1016.9
12:35 PM CDT 8.1 10.00 Partly Cloudy -- 60.1 31.8 34% NA NA 30.03 1016.9
12:15 PM CDT 6.9 10.00 Partly Cloudy -- 58.3 31.8 37% NA NA 30.03 1016.9
11:55 AM CDT 6.9 10.00 Clear -- 57.7 32.4 38% NA NA 30.03 1016.9
11:35 AM CDT 6.9 10.00 Clear -- 58.5 32.5 37% NA NA 30.03 1016.9
11:15 AM CDT 5.8 10.00 Clear -- 57.2 32.5 39% NA NA 30.04 1017.3
10:55 AM CDT NE 6.9 10.00 Clear -- 56.8 33.6 41% NA NA 30.04 1017.3
10:35 AM CDT 0.0 10.00 Clear -- 55.0 33.4 44% NA NA 30.04 1017.3
10:15 AM CDT 3.4 10.00 Clear -- 54.7 32.7 43% NA NA 30.05 1017.6
09:55 AM CDT 0.0 10.00 Clear -- 53.8 34.7 48% NA NA 30.05 1017.6
09:35 AM CDT 3.4 10.00 Clear -- 52.5 34.7 51% NA NA 30.05 1017.6
09:15 AM CDT 4.7 10.00 Clear -- 50.9 34.7 54% NA NA 30.05 1017.6
08:55 AM CDT NW 3.4 10.00 Clear -- 49.5 34.2 55% 48.7 NA 30.05 1017.6
08:35 AM CDT 4.7 10.00 Clear -- 48.4 34.9 59% 46.6 NA 30.05 1017.6
08:15 AM CDT W 5.8 10.00 Clear -- 46.6 34.3 62% 43.7 NA 30.06 1018.0
07:55 AM CDT 3.4 10.00 Clear -- NULL 34.5 % NA NA 30.06 1018.0
07:35 AM CDT SW 4.7 10.00 Clear -- 41.7 36.1 80% 38.7 NA 30.06 1018.0
07:15 AM CDT 3.4 10.00 Clear -- 39.2 35.1 85% 37.0 NA 30.06 1018.0
06:55 AM CDT 0.0 10.00 Clear -- 40.8 34.3 78% NA NA 30.05 1017.6
06:35 AM CDT 0.0 10.00 Partly Cloudy -- 41.0 34.0 76% NA NA 30.04 1017.3
06:15 AM CDT 0.0 10.00 Partly Cloudy -- 40.6 34.0 77% NA NA 30.04 1017.3

Regional Weather Observation

OSKALOOSA MUNI (KOOA)

Partly Cloudy
60.1 F

PELLA (KPEA)

Light Rain
53.4 F

OTTUMWA (KOTM)

Mostly Cloudy
59.0 F

NEWTON MUNI (KTNU)

Clear
55.4 F

KNOXVILLE (KOXV)

Mostly Clear
53.6 F

(KFFL)


F
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