DENISON, IA 51442 Weather Forecast & Current Conditions

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DENISON, IA
Current Weather

11:15 PM CDT AUG 12, 2026
Broken Clouds
75°F
Feels Like: 75°F
Dewpoint: 75°F
Rel. Hum.: 100%
Visibility: 10 miles
Wind: E at 6 mph
Pressure: 29.87 inches
Last 72 hours

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DENISON, IA 51442
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
REST OF TONIGHT
Partly cloudy late this evening. Patchy smoke late this evening. Showers with thunderstorms likely. Locally heavy rainfall possible. Lows in the upper 60s. East winds 5 to 10 mph. Chance of rain near 100 percent.
THURSDAY
Showers with thunderstorms likely in the morning, then partly sunny with a slight chance of showers and thunderstorms in the afternoon. Locally heavy rainfall possible in the morning. Humid with highs in the upper 70s. East winds 10 to 15 mph with gusts up to 25 mph. Chance of rain near 100 percent.
THURSDAY NIGHT
A chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. Humid with lows in the mid 60s. East winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 70 percent.
FRIDAY
Mostly cloudy. A chance of showers and thunderstorms in the morning. Humid with highs in the lower 80s. East winds 5 to 10 mph. Chance of rain 50 percent.
FRIDAY NIGHT
Mostly cloudy with a slight chance of showers and thunderstorms. Humid with lows in the upper 60s. East winds around 5 mph. Chance of rain 20 percent.
SATURDAY
Mostly cloudy. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 30 percent.
SATURDAY NIGHT
A chance of thunderstorms. Showers likely. Lows in the mid 60s. Chance of rain 60 percent.
SUNDAY
Cloudy in the morning, then becoming partly sunny. A slight chance of showers and thunderstorms. Highs in the upper 70s. Chance of rain 20 percent.
SUNDAY NIGHT
Partly cloudy. A slight chance of showers and thunderstorms after midnight. Lows in the upper 50s. Chance of rain 20 percent.
MONDAY
Partly sunny. Highs in the mid 70s.
MONDAY NIGHT
Partly cloudy. A slight chance of showers and thunderstorms after midnight. Lows in the upper 50s. Chance of rain 20 percent.
TUESDAY
Mostly cloudy in the morning, then becoming mostly sunny. A slight chance of showers and thunderstorms. Highs in the upper 70s. Chance of rain 20 percent.
TUESDAY NIGHT
Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly cloudy with a chance of showers and thunderstorms after midnight. Lows in the lower 60s. Chance of rain 30 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 AM EDT  8/12/2026
Wednesday
12 AUG 2026
DENISON, IA 51442 weather forecast Day 1, 12 hours 1 PM 85° 92° Partly Cloudy 2%

0% Thunder
( 7% severe)
NE   10 67% 73°
High 88° DENISON, IA 51442 weather forecast Day 1, 15 hours 4 PM 87° 94° Partly Cloudy ENE   10 63% 73°
Partly Cloudy

Chance of Rain

DENISON, IA 51442 weather forecast Day 1, 18 hours 7 PM 84° 91° Partly Cloudy 21%
RAIN
***
0% Thunder
( 36% severe)
E   9 72% 74°
DENISON, IA 51442 weather forecast Day 1, 21 hours 10 PM 76° 75° Partly Cloudy E   10 97% 75°
Thursday
13 AUG 2026
DENISON, IA 51442 weather forecast Day 2, 0 hours 1 AM 72° 72° Mostly Cloudy 75%
RAIN
***
0% Thunder
( 50% severe)
E   8 100% 72°
Low 68° DENISON, IA 51442 weather forecast Day 2, 3 hours 4 AM 71° 71° Mostly Cloudy E   8 100% 71°
High 79° DENISON, IA 51442 weather forecast Day 2, 6 hours 7 AM 70° 70° NA 60%
RAIN
***
0% Thunder
( 24% severe)
NNE   9 100% 70°

Partly Cloudy

Rain Likely

DENISON, IA 51442 weather forecast Day 2, 9 hours 10 AM 72° 72° Mostly Cloudy E   9 100% 72°
DENISON, IA 51442 weather forecast Day 2, 12 hours 1 PM 76° 76° Mostly Cloudy 23%
RAIN
.01–.1 in
0% Thunder
( 30% severe)
E   12 90% 73°
DENISON, IA 51442 weather forecast Day 2, 15 hours 4 PM 77° 78° Partly Cloudy E   13 87% 73°
DENISON, IA 51442 weather forecast Day 2, 18 hours 7 PM 75° 75° Partly Cloudy 57%
RAIN
***
0% Thunder
( 52% severe)
ENE   14 94% 73°
DENISON, IA 51442 weather forecast Day 2, 21 hours 10 PM 71° 71° Overcast ENE   14 100% 71°
Friday
14 AUG 2026
DENISON, IA 51442 weather forecast Day 3, 0 hours 1 AM 69° 69° Overcast 67%
RAIN
***
0% Thunder
( 48% severe)
ENE   12 100% 69°
Low 65° DENISON, IA 51442 weather forecast Day 3, 3 hours 4 AM 69° 69° Overcast E   12 100% 69°
High 81° DENISON, IA 51442 weather forecast Day 3, 6 hours 7 AM 69° 69° NA 21%
RAIN
.01–.1 in
0% Thunder
( 19% severe)
ENE   12 100% 69°

Increasing Clouds

Chance of Rain

DENISON, IA 51442 weather forecast Day 3, 9 hours 10 AM 72° 72° Mostly Cloudy E   13 100% 72°
DENISON, IA 51442 weather forecast Day 3, 15 hours 1 PM 77° 78° Mostly Cloudy 6%

0% Thunder
( 18% severe)
E   13 87% 73°
DENISON, IA 51442 weather forecast Day 3, 18 hours 4 PM 79° 83° Mostly Cloudy E   10 88% 75°
DENISON, IA 51442 weather forecast Day 3, 21 hours 7 PM 79° 83° Mostly Cloudy     ENE   10 88% 75°

DENISON, IA extended weather forecast

Saturday
15 AUG 2026
Sunday
16 AUG 2026
Monday
17 AUG 2026
Tuesday
18 AUG 2026
Wednesday
19 AUG 2026
Low 70° Low 62° Low 58° Low 64° Low 64°
High 84° High 74° High 83° High 85° High 87°
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
Overcast
51% Rain
Overcast
59% Rain
Partly Cloudy
22% Rain
Partly Cloudy
21% Rain
Partly Cloudy
26% Rain
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