DENISON, IA 51442 Weather Forecast & Current Conditions

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DENISON, IA
Current Weather

12:55 AM CDT JUN 25, 2026
Overcast
66°F
Feels Like: 66°F
Dewpoint: 55°F
Rel. Hum.: 68%
Visibility:
Wind: NNW at 5 mph
Pressure: 30.02 inches
Last 72 hours

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DENISON, IA 51442
Weather Forecast

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REST OF TONIGHT
Mostly cloudy. Near steady temperature in the upper 50s. North winds around 5 mph.
THURSDAY
Mostly cloudy in the morning, then becoming partly sunny. Highs in the upper 70s. Northeast winds around 5 mph.
THURSDAY NIGHT
Mostly cloudy. Lows in the upper 50s. East winds around 5 mph.
FRIDAY
Mostly sunny. Highs around 80. East winds 5 to 10 mph.
FRIDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 60s. Southeast winds 5 to 10 mph.
SATURDAY
Partly sunny. Highs in the mid 80s.
SATURDAY NIGHT
Mostly cloudy in the evening, then becoming partly cloudy. A slight chance of showers and thunderstorms. Lows in the lower 70s. Chance of rain 20 percent.
SUNDAY
Sunny, hot with highs in the mid 90s.
SUNDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 70s. Heat index values up to 100 early in the evening.
MONDAY
Sunny, breezy, hot with highs in the mid 90s.
MONDAY NIGHT
Partly cloudy with a chance of showers and thunderstorms. Lows in the lower 70s. Chance of rain 50 percent. Heat index values up to 100 early in the evening.
TUESDAY
Mostly sunny with a slight chance of showers and thunderstorms. Highs in the lower 90s. Chance of rain 20 percent.
TUESDAY NIGHT
Partly cloudy with a chance of showers and thunderstorms. Lows in the upper 60s. Chance of rain 40 percent.

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 PM EDT  6/24/2026
Thursday
25 JUN 2026
DENISON, IA 51442 weather forecast Day 1, 0 hours 1 AM 65° 65° Partly Cloudy 4%

0% Thunder
( 4% severe)
  CALM 70% 55°
Low 60° DENISON, IA 51442 weather forecast Day 1, 3 hours 4 AM 61° 62° Mostly Cloudy   CALM 84% 56°
High 78° DENISON, IA 51442 weather forecast Day 1, 6 hours 7 AM 61° 62° Mostly Cloudy 3%

0% Thunder
( 2% severe)
  CALM 87% 57°

Mostly Cloudy



DENISON, IA 51442 weather forecast Day 1, 9 hours 10 AM 71° 71° Mostly Cloudy NNE   1 61% 57°
DENISON, IA 51442 weather forecast Day 1, 12 hours 1 PM 75° 75° Mostly Cloudy 1%

0% Thunder
( 3% severe)
NNE   3 48% 54°
DENISON, IA 51442 weather forecast Day 1, 15 hours 4 PM 77° 78° Mostly Cloudy NE   3 43% 53°
DENISON, IA 51442 weather forecast Day 1, 18 hours 7 PM 76° 78° Mostly Cloudy 4%

0% Thunder
( 4% severe)
ENE   6 46% 54°
DENISON, IA 51442 weather forecast Day 1, 21 hours 10 PM 68° 68° Mostly Cloudy E   5 68% 57°
Friday
26 JUN 2026
DENISON, IA 51442 weather forecast Day 2, 0 hours 1 AM 64° 65° Mostly Cloudy 14%
RAIN
<.01 in
0% Thunder
( 5% severe)
E   5 78% 57°
Low 60° DENISON, IA 51442 weather forecast Day 2, 3 hours 4 AM 62° 62° Partly Cloudy E   5 90% 59°
High 80° DENISON, IA 51442 weather forecast Day 2, 6 hours 7 AM 62° 62° Partly Cloudy 30%
RAIN
.5–1 in
0% Thunder
( 4% severe)
ENE   7 93% 60°

Partly Cloudy

Chance of Rain

DENISON, IA 51442 weather forecast Day 2, 9 hours 10 AM 71° 71° Partly Cloudy E   10 73% 62°
DENISON, IA 51442 weather forecast Day 2, 12 hours 1 PM 77° 79° Clear 10%
RAIN
<.01 in
0% Thunder
( 4% severe)
E   12 56% 60°
DENISON, IA 51442 weather forecast Day 2, 15 hours 4 PM 79° 80° Mostly Cloudy ESE   12 52% 60°
DENISON, IA 51442 weather forecast Day 2, 18 hours 7 PM 78° 80° Mostly Cloudy 0%

0% Thunder
( 4% severe)
ESE   12 56% 61°
DENISON, IA 51442 weather forecast Day 2, 21 hours 10 PM 70° 70° Partly Cloudy ESE   10 81% 64°

DENISON, IA extended weather forecast

Saturday
27 JUN 2026
Sunday
28 JUN 2026
Monday
29 JUN 2026
Tuesday
30 JUN 2026
Wednesday
1 JUL 2026
Low 66° Low 73° Low 76° Low 74° Low 71°
High 82° High 95° High 92° High 91° High 90°
DENISON, IA 51442 weather forecast Day 3 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
Overcast
55% Rain
Partly Cloudy
20% Rain
Partly Cloudy
25% Rain
Partly Cloudy
30% Rain
Partly Cloudy
29% Rain
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