DENISON, IA 51442 Weather Forecast & Current Conditions

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DENISON, IA
Current Weather

1:35 PM CDT APR 22, 2026
Clear
77°F
Feels Like: 79°F
Dewpoint: 59°F
Rel. Hum.: 54%
Visibility: 10 miles
Wind: S at 23 mph
Pressure: 29.85 inches
Last 72 hours

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DENISON, IA 51442
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
THIS AFTERNOON
Sunny. Near steady temperature in the upper 70s. South winds 15 to 20 mph with gusts up to 30 mph.
TONIGHT
Mostly clear in the evening, then mostly cloudy with a slight chance of showers and thunderstorms after midnight. Lows in the upper 50s. South winds around 20 mph with gusts up to 35 mph. Chance of rain 20 percent.
THURSDAY
A chance of thunderstorms. Showers likely. Highs in the lower 70s. South winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 70 percent.
THURSDAY NIGHT
Mostly cloudy with a chance of showers and thunderstorms in the evening, then partly cloudy after midnight. Cooler. Less humid with lows in the mid 40s. Southwest winds 10 to 15 mph, becoming northwest after midnight. Chance of rain 50 percent.
FRIDAY
Sunny. Highs in the lower 60s. Northwest winds 10 to 15 mph.
FRIDAY NIGHT
Mostly clear. Lows around 40.
SATURDAY
Partly sunny with a slight chance of showers in the morning, then mostly cloudy with a chance of showers in the afternoon. Highs in the lower 60s. Chance of rain 30 percent.
SATURDAY NIGHT
Mostly cloudy with a 20 percent chance of showers. Lows in the mid 40s.
SUNDAY
Mostly cloudy. A chance of showers in the morning, then showers likely with a chance of thunderstorms in the afternoon. Highs in the lower 60s. Chance of rain 70 percent.
SUNDAY NIGHT
Showers. A chance of thunderstorms, mainly in the evening. Lows in the upper 40s. Chance of rain 90 percent.
MONDAY
A slight chance of thunderstorms. Showers likely, mainly in the morning. Breezy with highs in the upper 50s. Chance of rain 70 percent.
MONDAY NIGHT
Mostly cloudy with a slight chance of showers in the evening, then partly cloudy after midnight. Breezy with lows in the upper 30s. Chance of rain 20 percent.
TUESDAY
Partly sunny. Highs in the upper 50s.

Visible Weather Satellite
DENISON, IA 51442
Infrared Weather Satellite
DENISON, IA 51442
NEXRAD Weather Radar
DENISON, IA 51442

DENISON, IA 3 hourly weather forecast

weather forecast created  8:00 AM EDT  4/22/2026
Wednesday
22 APR 2026
DENISON, IA 51442 weather forecast Day 1, 12 hours 1 PM 75° 75° Partly Cloudy 0%

0% Thunder
( 6% severe)
S   18 55% 58°
High 81° DENISON, IA 51442 weather forecast Day 1, 15 hours 4 PM 80° 80° Clear S   21 44% 56°
Clear




Breezy
DENISON, IA 51442 weather forecast Day 1, 18 hours 7 PM 78° 79° Clear 0%

0% Thunder
( 5% severe)
S   18 43% 54°
DENISON, IA 51442 weather forecast Day 1, 21 hours 10 PM 68° 68° Clear S   18 65% 56°
Thursday
23 APR 2026
DENISON, IA 51442 weather forecast Day 2, 0 hours 1 AM 64° 62° Mostly Cloudy 24%
RAIN
<.01 in
0% Thunder
( 21% severe)
S   18 81% 58°
Low 61° DENISON, IA 51442 weather forecast Day 2, 3 hours 4 AM 62° 59° Mostly Cloudy S   20 90% 59°
High 72° DENISON, IA 51442 weather forecast Day 2, 6 hours 7 AM 62° 60° Mostly Cloudy 56%
RAIN
***
0% Thunder
( 18% severe)
S   18 93% 60°

Mostly Cloudy

Rain Likely


Breezy
DENISON, IA 51442 weather forecast Day 2, 9 hours 10 AM 64° 62° Mostly Cloudy S   20 93% 62°
DENISON, IA 51442 weather forecast Day 2, 12 hours 1 PM 68° 68° Mostly Cloudy 77%
RAIN
***
0% Thunder
( 51% severe)
S   21 81% 62°
DENISON, IA 51442 weather forecast Day 2, 15 hours 4 PM 69° 69° Mostly Cloudy S   20 76% 61°
DENISON, IA 51442 weather forecast Day 2, 18 hours 7 PM 67° 67° Mostly Cloudy 55%
RAIN
***
0% Thunder
( 30% severe)
S   12 73% 58°
DENISON, IA 51442 weather forecast Day 2, 21 hours 10 PM 60° 59° Mostly Cloudy WSW   9 81% 54°
Friday
24 APR 2026
DENISON, IA 51442 weather forecast Day 3, 0 hours 1 AM 54° 51° Partly Cloudy 12%
RAIN
.01–.1 in
0% Thunder
( 3% severe)
NNW   9 74% 46°
Low 45° DENISON, IA 51442 weather forecast Day 3, 3 hours 4 AM 48° 43° Partly Cloudy NNW   10 80% 42°
High 64° DENISON, IA 51442 weather forecast Day 3, 6 hours 7 AM 45° 40° Partly Cloudy 9%

0% Thunder
( 1% severe)
NNW   10 79% 39°

Clear



DENISON, IA 51442 weather forecast Day 3, 9 hours 10 AM 52° 48° Clear NNW   13 59% 38°
DENISON, IA 51442 weather forecast Day 3, 15 hours 1 PM 59° 57° Clear 6%

0% Thunder
( 1% severe)
NW   13 42% 36°
DENISON, IA 51442 weather forecast Day 3, 18 hours 4 PM 63° 62° Clear NW   12 35% 35°
DENISON, IA 51442 weather forecast Day 3, 21 hours 7 PM 61° 60° Partly Cloudy     NNW   9 35% 33°

DENISON, IA extended weather forecast

Saturday
25 APR 2026
Sunday
26 APR 2026
Monday
27 APR 2026
Tuesday
28 APR 2026
Wednesday
29 APR 2026
Low 39° Low 44° Low 50° Low 44° Low 42°
High 62° High 59° High 62° High 65° High 59°
DENISON, IA 51442 weather forecast Day 4 DENISON, IA 51442 weather forecast Day 5 DENISON, IA 51442 weather forecast Day 6 DENISON, IA 51442 weather forecast Day 7 <!--SEARCHED_TOWN_NAME--> weather forecast Day 8
Mostly Cloudy
30% Rain
Overcast
30% Rain
Overcast
78% Rain
Overcast
38% Rain
Mostly Cloudy
40% Rain
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