DENISON, IA 51442 Weather Forecast & Current Conditions

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DENISON, IA
Current Weather

6:55 AM CDT SEP 16, 2025
Clear
68°F
Feels Like: 68°F
Dewpoint: 63°F
Rel. Hum.: 84%
Visibility: 10 miles
Wind: Calm
Pressure: 30.17 inches
Last 72 hours

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DENISON, IA 51442
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TODAY
Sunny. A slight chance of showers and thunderstorms this afternoon. Highs in the upper 80s. South winds 5 to 10 mph. Chance of rain 20 percent.
TONIGHT
Partly cloudy. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. Humid with lows in the lower 60s. South winds around 5 mph. Chance of rain 30 percent.
WEDNESDAY
Showers likely with a chance of thunderstorms. Humid with highs in the lower 80s. South winds around 5 mph. Chance of rain 70 percent.
WEDNESDAY NIGHT
A chance of thunderstorms. Showers with lows in the lower 60s. Southeast winds around 5 mph. Chance of rain 80 percent.
THURSDAY
A chance of showers with a slight chance of thunderstorms in the morning, then showers likely with a chance of thunderstorms in the afternoon. Highs in the upper 70s. Southeast winds 5 to 10 mph. Chance of rain 70 percent.
THURSDAY NIGHT
A chance of showers and thunderstorms in the evening, then showers likely with a slight chance of thunderstorms after midnight. Lows in the upper 50s. Chance of rain 60 percent.
FRIDAY
Partly sunny with a chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Highs in the mid 70s. Chance of rain 50 percent.
FRIDAY NIGHT
Partly cloudy with a slight chance of thunderstorms. A slight chance of showers in the evening, then a chance of showers after midnight. Lows in the upper 50s. Chance of rain 50 percent.
SATURDAY
Mostly sunny with a slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 20 percent.
SATURDAY NIGHT
A slight chance of thunderstorms in the evening. Partly cloudy with a slight chance of showers. Lows in the upper 50s. Chance of rain 20 percent.
SUNDAY
Mostly sunny. A slight chance of showers and thunderstorms in the morning. Highs around 80. Chance of rain 20 percent.
SUNDAY NIGHT
Partly cloudy. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. Lows in the upper 50s. Chance of rain 30 percent.
MONDAY
A slight chance of thunderstorms in the morning. Mostly sunny with a slight chance of showers. Highs in the upper 70s. 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  9/15/2025
Tuesday
16 SEP 2025
DENISON, IA 51442 weather forecast Day 1, 0 hours 1 AM 69° 69° Clear 4%

0% Thunder
( 13% severe)
SSE   6 84% 64°
Low 64° DENISON, IA 51442 weather forecast Day 1, 3 hours 4 AM 66° 66° Clear S   3 93% 64°
High 86° DENISON, IA 51442 weather forecast Day 1, 6 hours 7 AM 65° 65° Clear 9%

0% Thunder
( 16% severe)
S   2 93% 63°

Partly Cloudy



DENISON, IA 51442 weather forecast Day 1, 9 hours 10 AM 77° 79° Clear SSW   5 74% 68°
DENISON, IA 51442 weather forecast Day 1, 12 hours 1 PM 85° 88° Partly Cloudy 12%
RAIN
<.01 in
0% Thunder
( 25% severe)
S   8 55% 67°
DENISON, IA 51442 weather forecast Day 1, 15 hours 4 PM 85° 87° Partly Cloudy S   7 53% 66°
DENISON, IA 51442 weather forecast Day 1, 18 hours 7 PM 79° 81° Partly Cloudy 9%

0% Thunder
( 23% severe)
SSE   3 67% 67°
DENISON, IA 51442 weather forecast Day 1, 21 hours 10 PM 70° 70° Partly Cloudy SSE   2 87% 66°
Wednesday
17 SEP 2025
DENISON, IA 51442 weather forecast Day 2, 0 hours 1 AM 67° 67° Partly Cloudy 31%
RAIN
.01–.1 in
0% Thunder
( 34% severe)
SSE   1 93% 65°
Low 63° DENISON, IA 51442 weather forecast Day 2, 3 hours 4 AM 65° 65° Mostly Cloudy S   1 97% 64°
High 81° DENISON, IA 51442 weather forecast Day 2, 6 hours 7 AM 63° 64° Mostly Cloudy 31%
RAIN
.25–.5 in
0% Thunder
( 23% severe)
SE   1 100% 63°

Mostly Cloudy

Chance of Rain

DENISON, IA 51442 weather forecast Day 2, 9 hours 10 AM 73° 73° Mostly Cloudy SSE   3 81% 67°
DENISON, IA 51442 weather forecast Day 2, 12 hours 1 PM 79° 81° Mostly Cloudy 31%
RAIN
>2 in
0% Thunder
( 33% severe)
S   7 64% 66°
DENISON, IA 51442 weather forecast Day 2, 15 hours 4 PM 79° 81° Mostly Cloudy S   7 64% 66°
DENISON, IA 51442 weather forecast Day 2, 18 hours 7 PM 73° 73° Mostly Cloudy 48%
RAIN
***
0% Thunder
( 30% severe)
ESE   3 81% 67°
DENISON, IA 51442 weather forecast Day 2, 21 hours 10 PM 67° 67° Mostly Cloudy SSE   3 97% 66°

DENISON, IA extended weather forecast

Thursday
18 SEP 2025
Friday
19 SEP 2025
Saturday
20 SEP 2025
Sunday
21 SEP 2025
Monday
22 SEP 2025
Low 58° Low 57° Low 57° Low 63° Low 58°
High 74° High 77° High 80° High 77° High 78°
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
75% Rain
Mostly Cloudy
59% Rain
Partly Cloudy
38% Rain
Mostly Cloudy
54% Rain
Mostly Cloudy
54% Rain
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