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

DENISON, IA
Current Weather
6:55 AM CDT SEP 18, 2025
Overcast
Fog
61°F
Feels Like: 62°F
Dewpoint: 61°F
Rel. Hum.: 100%
Visibility: 1/4 miles
Wind: SE at 3 mph
Pressure: 30.03 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
2025 Hurricanes

DENISON, IA 51442
Weather Forecast

 Snowfall Forecast pages
Snow Depth pages
TODAY
Patchy fog this morning. Partly sunny this morning, then mostly cloudy with a chance of showers and thunderstorms this afternoon. Highs in the mid 70s. South winds 5 to 10 mph. Chance of rain 50 percent.
TONIGHT
Mostly cloudy with a chance of showers. A chance of thunderstorms, mainly in the evening. Patchy fog after midnight. Lows in the upper 50s. South winds around 5 mph. Chance of rain 50 percent.
FRIDAY
Mostly cloudy in the morning, then becoming partly sunny. Patchy fog in the morning. A 20 percent chance of showers. Highs in the lower 70s. West winds around 5 mph.
FRIDAY NIGHT
Partly cloudy with a slight chance of showers in the evening, then mostly cloudy with a chance of showers and thunderstorms after midnight. Lows in the mid 50s. Southwest winds around 5 mph. Chance of rain 40 percent.
SATURDAY
Partly sunny. A slight chance of showers and thunderstorms in the morning. Highs in the mid 70s. South winds 5 to 10 mph. Chance of rain 20 percent.
SATURDAY NIGHT
Mostly cloudy. A chance of showers and thunderstorms after midnight. Lows in the upper 50s. Chance of rain 30 percent.
SUNDAY
Partly sunny with a slight chance of thunderstorms. A chance of showers, mainly in the morning. Highs in the upper 70s. Chance of rain 30 percent.
SUNDAY NIGHT
A slight chance of thunderstorms in the evening. Partly cloudy with a slight chance of showers. Lows around 60. Chance of rain 20 percent.
MONDAY
Partly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 20 percent.
MONDAY NIGHT
Partly cloudy with a chance of thunderstorms. A chance of showers. Lows in the mid 50s. Chance of rain 30 percent.
TUESDAY
Mostly sunny with a slight chance of thunderstorms. A slight chance of showers in the morning, then a chance of showers in the afternoon. Highs in the lower 70s. Chance of rain 30 percent.
TUESDAY NIGHT
A slight chance of thunderstorms in the evening. Partly cloudy with a slight chance of showers. Lows in the lower 50s. Chance of rain 20 percent.
WEDNESDAY
Mostly sunny with a slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the lower 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  9/17/2025
Thursday
18 SEP 2025		 DENISON, IA 51442 weather forecast Day 1, 0 hours 1 AM 64° 65° Mostly Cloudy 12%
RAIN
<.01 in		 0% Thunder
( 8% severe)		 S   5 100% 64°
Low 60° DENISON, IA 51442 weather forecast Day 1, 3 hours 4 AM 62° 63° Mostly Cloudy SSW   3 100% 62°
High 76° DENISON, IA 51442 weather forecast Day 1, 6 hours 7 AM 61° 62° Mostly Cloudy 10%
RAIN
<.01 in		 0% Thunder
( 7% severe)		 S   3 100% 61°

Mostly Cloudy

Chance of Rain

 DENISON, IA 51442 weather forecast Day 1, 9 hours 10 AM 68° 68° Mostly Cloudy S   7 87% 64°
DENISON, IA 51442 weather forecast Day 1, 12 hours 1 PM 74° 74° Mostly Cloudy 42%
RAIN
.5–1 in		 0% Thunder
( 33% severe)		 SSW   9 71% 64°
DENISON, IA 51442 weather forecast Day 1, 15 hours 4 PM 73° 73° Mostly Cloudy SSW   9 73% 64°
DENISON, IA 51442 weather forecast Day 1, 18 hours 7 PM 67° 67° Mostly Cloudy 43%
RAIN
>2 in		 0% Thunder
( 24% severe)		 SSW   6 93% 65°
DENISON, IA 51442 weather forecast Day 1, 21 hours 10 PM 63° 64° Mostly Cloudy S   3 100% 63°
Friday
19 SEP 2025		 DENISON, IA 51442 weather forecast Day 2, 0 hours 1 AM 61° 62° Mostly Cloudy 24%
RAIN
.01–.1 in		 0% Thunder
( 8% severe)		 SSW   3 100% 61°
Low 57° DENISON, IA 51442 weather forecast Day 2, 3 hours 4 AM 59° 60° Mostly Cloudy SW   2 100% 59°
High 73° DENISON, IA 51442 weather forecast Day 2, 6 hours 7 AM 58° 58° Mostly Cloudy 11%
RAIN
<.01 in		 0% Thunder
( 7% severe)		 SW   3 100% 58°

Mostly Cloudy



 DENISON, IA 51442 weather forecast Day 2, 9 hours 10 AM 65° 65° Mostly Cloudy W   6 87% 61°
DENISON, IA 51442 weather forecast Day 2, 12 hours 1 PM 69° 69° Partly Cloudy 12%
RAIN
<.01 in		 0% Thunder
( 10% severe)		 W   8 73% 60°
DENISON, IA 51442 weather forecast Day 2, 15 hours 4 PM 71° 71° Mostly Cloudy W   6 66% 59°
DENISON, IA 51442 weather forecast Day 2, 18 hours 7 PM 67° 67° Partly Cloudy 10%
RAIN
.5–1 in		 0% Thunder
( 12% severe)		 W   2 78% 60°
DENISON, IA 51442 weather forecast Day 2, 21 hours 10 PM 61° 62° Mostly Cloudy SSE   2 97% 60°

DENISON, IA extended weather forecast
Saturday
20 SEP 2025		 Sunday
21 SEP 2025		 Monday
22 SEP 2025		 Tuesday
23 SEP 2025		 Wednesday
24 SEP 2025
Low 55° Low 60° Low 58° Low 56° Low 49°
High 74° High 77° High 78° High 68° High 66°
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
68% Rain		 Overcast
48% Rain		 Mostly Cloudy
33% Rain		 Overcast
62% Rain		 Mostly Cloudy
48% Rain
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