IRWIN, IA 51446 Weather Forecast & Current Conditions

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HARLAN, IA
Current Weather

5:55 PM CDT APR 3, 2026
Few Clouds
Mist
41°F
Feels Like: 34°F
Dewpoint: 39°F
Rel. Hum.: 93%
Visibility: 5 miles
Wind: N at 13 mph
Pressure: 29.86 inches
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IRWIN, IA 51446
Weather Forecast

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Snow Depth pages
TONIGHT
Mostly cloudy. Rain likely with a chance of thunderstorms this evening. Cold with lows in the upper 20s. Northwest winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 70 percent.
SATURDAY
Mostly cloudy and breezy. Highs in the mid 40s. Northwest winds 15 to 25 mph with gusts up to 35 mph.
SATURDAY NIGHT
Partly cloudy in the evening, then clearing. Cold with lows in the mid 20s. Northwest winds 15 to 20 mph with gusts up to 30 mph, diminishing to 5 to 10 mph with gusts up to 20 mph after midnight.
SUNDAY
Sunny. Not as cool with highs in the upper 50s. Northwest winds 10 to 15 mph.
SUNDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 30s. Northwest winds 5 to 10 mph.
MONDAY
Mostly cloudy with a 40 percent chance of rain. Cooler with highs in the upper 40s.
MONDAY NIGHT
A chance of rain in the evening. Mostly cloudy with a chance of snow. Cold with lows in the mid 20s. Chance of precipitation 40 percent.
TUESDAY
Cloudy with a chance of rain. A slight chance of snow in the morning, then a chance of snow in the afternoon. Highs in the upper 40s. Chance of precipitation 40 percent.
TUESDAY NIGHT
Mostly cloudy with a 40 percent chance of rain. Breezy and not as cool with lows in the upper 30s. Temperature rising into the lower 40s after midnight.
WEDNESDAY
Partly sunny with a 30 percent chance of rain. Windy and much warmer with highs around 70.
WEDNESDAY NIGHT
A slight chance of thunderstorms in the evening. Mostly cloudy with a chance of rain. Lows around 40. Chance of rain 40 percent.
THURSDAY
Mostly cloudy with a 50 percent chance of rain. Cooler with highs in the upper 50s.
THURSDAY NIGHT
Rain likely. Lows in the mid 30s. Chance of rain 70 percent.

Visible Weather Satellite
IRWIN, IA 51446
Infrared Weather Satellite
IRWIN, IA 51446
NEXRAD Weather Radar
IRWIN, IA 51446

HARLAN, IA 3 hourly weather forecast

weather forecast created  4:00 AM PST  4/ 3/2026
Friday
3 APR 2026
IRWIN, IA 51446 weather forecast Day 1, 12 hours 12 PM 42° 34° Mostly Cloudy 96%
RAIN
***
0% Thunder
( 29% severe)
ENE   15 93% 40°
High 46° IRWIN, IA 51446 weather forecast Day 1, 15 hours 3 PM 45° 39° Mostly Cloudy NE   14 93% 43°
Mostly Cloudy

Rain

IRWIN, IA 51446 weather forecast Day 1, 18 hours 6 PM 42° 35° Mostly Cloudy 53%
RAIN
.01–.1 in
0% Thunder
( 7% severe)
NNW   14 93% 40°
IRWIN, IA 51446 weather forecast Day 1, 21 hours 9 PM 37° 29° Mostly Cloudy NW   13 96% 36°
Saturday
4 APR 2026
IRWIN, IA 51446 weather forecast Day 2, 0 hours 12 AM 35° 27° Overcast 3%

0% Thunder
( 0% severe)
NW   12 96% 34°
Low 30° IRWIN, IA 51446 weather forecast Day 2, 3 hours 3 AM 32° 21° Mostly Cloudy WNW   16 96% 31°
High 46° IRWIN, IA 51446 weather forecast Day 2, 6 hours 6 AM 30° 19° Mostly Cloudy 11%
RAIN/SNOW
<.05 in
0% Thunder
( 1% severe)
WNW   16 92% 28°

Mostly Cloudy




Windy
IRWIN, IA 51446 weather forecast Day 2, 9 hours 9 AM 35° 24° Mostly Cloudy WNW   20 78% 29°
IRWIN, IA 51446 weather forecast Day 2, 12 hours 12 PM 41° 31° Mostly Cloudy 9%

0% Thunder
( 0% severe)
WNW   23 65% 30°
IRWIN, IA 51446 weather forecast Day 2, 15 hours 3 PM 44° 35° Mostly Cloudy WNW   24 57% 30°
IRWIN, IA 51446 weather forecast Day 2, 18 hours 6 PM 42° 34° Partly Cloudy 2%

0% Thunder
( 0% severe)
NW   17 62% 30°
IRWIN, IA 51446 weather forecast Day 2, 21 hours 9 PM 35° 27° Partly Cloudy NW   12 78% 29°
Sunday
5 APR 2026
IRWIN, IA 51446 weather forecast Day 3, 0 hours 12 AM 33° 25° Clear 0%

0% Thunder
( 0% severe)
NW   9 81% 28°
Low 27° IRWIN, IA 51446 weather forecast Day 3, 3 hours 3 AM 29° 22° Clear WNW   7 92% 27°
High 59° IRWIN, IA 51446 weather forecast Day 3, 6 hours 6 AM 28° 22° Clear 0%

0% Thunder
( 0% severe)
WNW   6 92% 26°

Clear



IRWIN, IA 51446 weather forecast Day 3, 9 hours 9 AM 40° 34° Partly Cloudy WNW   9 73% 32°
IRWIN, IA 51446 weather forecast Day 3, 15 hours 12 PM 52° 48° Clear 0%

0% Thunder
( 0% severe)
WNW   13 52% 35°
IRWIN, IA 51446 weather forecast Day 3, 18 hours 3 PM 58° 55° Clear WNW   14 42% 35°
IRWIN, IA 51446 weather forecast Day 3, 21 hours 6 PM 55° 52° Clear     NW   9 45% 34°

HARLAN, IA extended weather forecast

Monday
6 APR 2026
Tuesday
7 APR 2026
Wednesday
8 APR 2026
Thursday
9 APR 2026
Friday
10 APR 2026
Low 33° Low 23° Low 36° Low 41° Low 41°
High 47° High 44° High 65° High 53° High 60°
IRWIN, IA 51446 weather forecast Day 4 IRWIN, IA 51446 weather forecast Day 5 IRWIN, IA 51446 weather forecast Day 6 IRWIN, IA 51446 weather forecast Day 7 <!--SEARCHED_TOWN_NAME--> weather forecast Day 8
Mostly Cloudy
29% Rain/Snow
Mostly Cloudy
18% Rain/Snow
Overcast
31% Rain
Overcast
50% Rain
Overcast
64% Rain
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