DENISON, IA 51442 Weather Forecast & Current Conditions

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DENISON, IA
Current Weather

9:55 AM CDT AUG 27, 2026
Clear
73°F
Feels Like: 73°F
Dewpoint: 66°F
Rel. Hum.: 79%
Visibility: 10 miles
Wind: Variable at 3 mph
Pressure: 30.15 inches
Last 72 hours

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DENISON, IA 51442
Weather Forecast

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Snow Depth pages
TODAY
Sunny. Highs in the lower 80s. Northwest winds around 5 mph.
TONIGHT
Mostly clear. Lows in the upper 50s. Northwest winds around 5 mph, becoming southeast after midnight.
FRIDAY
Mostly sunny. Highs in the mid 80s. South winds 5 to 10 mph.
FRIDAY NIGHT
Mostly cloudy. A chance of showers and thunderstorms after midnight. Lows in the upper 60s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 50 percent.
SATURDAY
Mostly cloudy with a chance of showers and thunderstorms in the morning, then sunny in the afternoon. Highs in the upper 80s. South winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 50 percent.
SATURDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. Lows in the mid 70s.
SUNDAY
Mostly sunny. Highs around 90.
SUNDAY NIGHT
Mostly clear in the evening, then partly cloudy with a slight chance of showers and thunderstorms after midnight. Lows in the lower 70s. Chance of rain 20 percent.
MONDAY
Mostly cloudy in the morning, then becoming mostly sunny. A slight chance of showers and thunderstorms. Highs in the upper 80s. Chance of rain 20 percent.
MONDAY 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 upper 60s. Chance of rain 40 percent.
TUESDAY
Mostly cloudy with a slight chance of showers and thunderstorms in the morning, then mostly sunny in the afternoon. Highs in the mid 80s. 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 upper 60s. Chance of rain 30 percent.
WEDNESDAY
Partly sunny with a slight chance of showers and thunderstorms in the morning, then sunny in the afternoon. Highs in the upper 80s. Chance of rain 20 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  8/26/2026
Thursday
27 AUG 2026
DENISON, IA 51442 weather forecast Day 1, 0 hours 1 AM 63° 64° Partly Cloudy 0%

0% Thunder
( 3% severe)
  CALM 90% 60°
Low 57° DENISON, IA 51442 weather forecast Day 1, 3 hours 4 AM 60° 61° Partly Cloudy   CALM 96% 59°
High 82° DENISON, IA 51442 weather forecast Day 1, 6 hours 7 AM 58° 59° Partly Cloudy 0%

0% Thunder
( 2% severe)
  CALM 96% 57°

Partly Cloudy



DENISON, IA 51442 weather forecast Day 1, 9 hours 10 AM 73° 73° Clear   CALM 68% 62°
DENISON, IA 51442 weather forecast Day 1, 12 hours 1 PM 80° 81° Partly Cloudy 0%

0% Thunder
( 3% severe)
NNW   3 49% 59°
DENISON, IA 51442 weather forecast Day 1, 15 hours 4 PM 81° 81° Clear NNW   5 44% 57°
DENISON, IA 51442 weather forecast Day 1, 18 hours 7 PM 78° 80° Clear 0%

0% Thunder
( 4% severe)
  CALM 58% 62°
DENISON, IA 51442 weather forecast Day 1, 21 hours 10 PM 67° 67° Partly Cloudy   CALM 78% 60°
Friday
28 AUG 2026
DENISON, IA 51442 weather forecast Day 2, 0 hours 1 AM 62° 63° Partly Cloudy 1%

0% Thunder
( 4% severe)
  CALM 90% 59°
Low 59° DENISON, IA 51442 weather forecast Day 2, 3 hours 4 AM 60° 61° Partly Cloudy   CALM 93% 58°
High 84° DENISON, IA 51442 weather forecast Day 2, 6 hours 7 AM 59° 60° Partly Cloudy 3%

0% Thunder
( 4% severe)
  CALM 93% 57°

Partly Cloudy



DENISON, IA 51442 weather forecast Day 2, 9 hours 10 AM 73° 73° Partly Cloudy SSW   6 68% 62°
DENISON, IA 51442 weather forecast Day 2, 12 hours 1 PM 81° 82° Partly Cloudy 2%

0% Thunder
( 8% severe)
SSW   10 51% 61°
DENISON, IA 51442 weather forecast Day 2, 15 hours 4 PM 83° 84° Partly Cloudy S   12 49% 62°
DENISON, IA 51442 weather forecast Day 2, 18 hours 7 PM 80° 81° Mostly Cloudy 3%

0% Thunder
( 12% severe)
S   10 56% 63°
DENISON, IA 51442 weather forecast Day 2, 21 hours 10 PM 72° 72° Partly Cloudy SSE   10 71% 62°

DENISON, IA extended weather forecast

Saturday
29 AUG 2026
Sunday
30 AUG 2026
Monday
31 AUG 2026
Tuesday
1 SEP 2026
Wednesday
2 SEP 2026
Low 64° Low 73° Low 66° Low 69° Low 68°
High 90° High 98° High 93° High 91° High 92°
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
Mostly Cloudy
44% Rain
Partly Cloudy
23% Rain
Partly Cloudy
37% Rain
Clear
16% Rain
Clear
18% Rain
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