DENISON, IA 51442 Weather Forecast & Current Conditions
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  51442 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)
 CURRENT WEATHER

DENISON, IA
Current Weather
8:35 AM CDT AUG 13, 2026
Clear
70°F
Feels Like: 70°F
Dewpoint: 70°F
Rel. Hum.: 100%
Visibility: 10 miles
Wind: E at 6 mph
Pressure: 29.86 inches
Last 72 hours

Local Area Snow Depth

Iowa Current Weather

Iowa MOS Forecast Weather


Weather Map

(Automated weather data from NWS/FAA)
  51442 WEATHER FORECAST
10-Day model forecast maps
2026 Hurricanes

DENISON, IA 51442
Weather Forecast

 Snowfall Forecast pages
Snow Depth pages
TODAY
Showers with thunderstorms likely this morning, then partly sunny with a slight chance of showers and thunderstorms this afternoon. Locally heavy rainfall possible this morning. Highs in the upper 70s. East winds 10 to 15 mph. Chance of rain near 100 percent.
TONIGHT
Mostly cloudy with 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. Chance of rain 60 percent.
FRIDAY
Mostly cloudy with a chance of showers. A chance of thunderstorms, mainly in the morning. Humid with highs around 80. East winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 50 percent.
FRIDAY NIGHT
Cloudy with a chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. Humid with lows in the upper 60s. East winds 5 to 10 mph. Chance of rain 60 percent.
SATURDAY
Cloudy with a slight chance of showers and thunderstorms in the morning, then partly sunny with a chance of showers and thunderstorms in the afternoon. Humid with highs in the lower 80s. Southwest winds around 5 mph, becoming west around 5 mph in the afternoon. Chance of rain 50 percent.
SATURDAY NIGHT
Showers likely with a chance of thunderstorms. Lows in the mid 60s. Chance of rain 70 percent.
SUNDAY
Mostly cloudy with a slight chance of showers and thunderstorms in the morning, then mostly sunny in the afternoon. Highs in the upper 70s. Chance of rain 20 percent.
SUNDAY NIGHT
Partly cloudy. Lows around 60.
MONDAY
Mostly sunny. Highs in the mid 70s.
MONDAY NIGHT
Mostly clear in the evening, then partly cloudy with a chance of showers with a slight chance of thunderstorms after midnight. Lows around 60. Chance of rain 30 percent.
TUESDAY
Mostly sunny with a slight chance of showers and thunderstorms. Highs in the upper 70s. Chance of rain 20 percent.
TUESDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. A chance of thunderstorms. A chance of showers. Lows in the lower 60s. Chance of rain 50 percent.
WEDNESDAY
Mostly cloudy with a slight chance of showers and thunderstorms in the morning, then partly sunny in the afternoon. Highs in the upper 70s. Chance of rain 20 percent.

  51442 WEATHER SATELLITE LOOPS
Visible Weather Satellite
DENISON, IA 51442
Infrared Weather Satellite
DENISON, IA 51442
  51442 WEATHER RADAR LOOP
NEXRAD Weather Radar
DENISON, IA 51442
 MOS COMPUTER WEATHER FORECAST

DENISON, IA 3 hourly weather forecast
weather forecast created  8:00 PM EDT  8/12/2026
Thursday
13 AUG 2026		 DENISON, IA 51442 weather forecast Day 1, 0 hours 1 AM 73° 73° Mostly Cloudy 95%
RAIN
***		 0% Thunder
( 54% severe)		 E   10 100% 73°
Low 70° DENISON, IA 51442 weather forecast Day 1, 3 hours 4 AM 72° 72° Mostly Cloudy ENE   10 100% 72°
High 81° DENISON, IA 51442 weather forecast Day 1, 6 hours 7 AM 71° 71° NA 83%
RAIN
***		 0% Thunder
( 41% severe)		 NNE   12 100% 71°

Increasing Clouds

Rain Likely

 DENISON, IA 51442 weather forecast Day 1, 9 hours 10 AM 73° 73° Mostly Cloudy E   10 100% 73°
DENISON, IA 51442 weather forecast Day 1, 12 hours 1 PM 77° 78° Mostly Cloudy 21%
RAIN
.01–.1 in		 0% Thunder
( 31% severe)		 E   12 90% 74°
DENISON, IA 51442 weather forecast Day 1, 15 hours 4 PM 79° 83° Mostly Cloudy E   13 88% 75°
DENISON, IA 51442 weather forecast Day 1, 18 hours 7 PM 77° 78° Mostly Cloudy 48%
RAIN
***		 0% Thunder
( 39% severe)		 ENE   14 90% 74°
DENISON, IA 51442 weather forecast Day 1, 21 hours 10 PM 72° 72° Mostly Cloudy ENE   15 100% 72°
Friday
14 AUG 2026		 DENISON, IA 51442 weather forecast Day 2, 0 hours 1 AM 70° 70° Mostly Cloudy 70%
RAIN
***		 0% Thunder
( 34% severe)		 ENE   13 100% 70°
Low 66° DENISON, IA 51442 weather forecast Day 2, 3 hours 4 AM 70° 70° Mostly Cloudy E   10 100% 70°
High 81° DENISON, IA 51442 weather forecast Day 2, 6 hours 7 AM 70° 70° NA 42%
RAIN
***		 0% Thunder
( 17% severe)		 E   10 100% 70°

Increasing Clouds

Chance of Rain

 DENISON, IA 51442 weather forecast Day 2, 9 hours 10 AM 73° 73° Mostly Cloudy ESE   12 100% 73°
DENISON, IA 51442 weather forecast Day 2, 12 hours 1 PM 78° 80° Mostly Cloudy 31%
RAIN
***		 0% Thunder
( 29% severe)		 ESE   10 88% 74°
DENISON, IA 51442 weather forecast Day 2, 15 hours 4 PM 80° 85° Mostly Cloudy E   8 85% 75°
DENISON, IA 51442 weather forecast Day 2, 18 hours 7 PM 79° 83° Mostly Cloudy 13%
RAIN
.01–.1 in		 0% Thunder
( 47% severe)		 E   8 91% 76°
DENISON, IA 51442 weather forecast Day 2, 21 hours 10 PM 75° 75° Mostly Cloudy E   7 100% 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 69° Low 63° Low 59° Low 62° Low 65°
High 82° High 77° High 83° High 77° High 77°
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
59% Rain		 Overcast
54% Rain		 Partly Cloudy
11% Rain		 Partly Cloudy
50% Rain		 Overcast
55% Rain
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