DENISON, IA 51442 Weather Forecast & Current Conditions

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BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Des Moines IA
347 PM CDT Sun Sep 6 2026

The National Weather Service in Des Moines has issued a

* Severe Thunderstorm Warning for...
Southeastern Sac County in west central Iowa...
Southwestern Calhoun County in west central Iowa...
East central Crawford County in west central Iowa...
Carroll County in west central Iowa...

* Until 430 PM CDT.

* At 347 PM CDT, a severe thunderstorm was located over Breda, or 9
miles northwest of Carroll, moving southeast at 25 mph.

HAZARD...60 mph wind gusts and nickel size hail.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

* Locations impacted include...
Carroll, Lake City, Glidden, Arcadia, Breda, Auburn, Westside,
Dedham, Halbur, Lidderdale, Lanesboro, Willey, Ralston, Hobbs
County Park, Arthur N Neu Airport, and Swan Lake State Park.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 4235 9496 4221 9463 4205 9463 4186 9481
4186 9484 4209 9516
TIME...MOT...LOC 2047Z 304DEG 23KT 4218 9496

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.88 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

DENISON, IA
Current Weather

10:35 AM CDT SEP 10, 2026
Clear
70°F
Feels Like: 70°F
Dewpoint: 61°F
Rel. Hum.: 73%
Visibility: 10 miles
Wind: ESE at 3 mph
Pressure: 30.10 inches
Last 72 hours

Local Area Snow Depth

Iowa Current Weather

Iowa MOS Forecast Weather


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(Automated weather data from NWS/FAA)
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2026 Hurricanes

DENISON, IA 51442
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TODAY
Sunny. Highs in the upper 70s. East winds around 5 mph, becoming southeast around 5 mph this afternoon.
TONIGHT
Mostly clear. Lows in the upper 50s. South winds 5 to 10 mph.
FRIDAY
Mostly sunny. Humid with highs around 80. South winds 10 to 15 mph with gusts up to 30 mph.
FRIDAY NIGHT
Partly cloudy with a slight chance of showers. A slight chance of thunderstorms after midnight. Humid with lows in the lower 60s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 20 percent.
SATURDAY
Mostly sunny with a 20 percent chance of showers. Highs in the mid 70s. North winds 5 to 10 mph.
SATURDAY NIGHT
Mostly clear in the evening, then mostly cloudy with a chance of showers with a slight chance of thunderstorms after midnight. Lows in the mid 50s. Chance of rain 30 percent.
SUNDAY
Mostly cloudy with a chance of showers with a slight chance of thunderstorms in the morning, then partly sunny with a chance of showers and thunderstorms in the afternoon. Highs in the mid 70s. Chance of rain 50 percent.
SUNDAY NIGHT
Mostly cloudy with a chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. Lows in the mid 60s. Chance of rain 70 percent.
MONDAY
Showers likely with a chance of thunderstorms. Highs in the mid 70s. Chance of rain 70 percent.
MONDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. A slight chance of thunderstorms in the evening. A chance of showers. Lows in the lower 50s. Chance of rain 50 percent.
TUESDAY
Mostly cloudy with a slight chance of showers in the morning, then partly sunny in the afternoon. Highs in the mid 60s. Chance of rain 20 percent.
TUESDAY NIGHT
Partly cloudy in the evening, then mostly cloudy with a slight chance of showers and thunderstorms after midnight. Lows in the lower 50s. Chance of rain 20 percent.
WEDNESDAY
Mostly cloudy in the morning, then becoming mostly sunny. A slight chance of thunderstorms. A chance of showers, mainly in the morning. Highs in the mid 60s. Chance of rain 40 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/ 9/2026
Thursday
10 SEP 2026
DENISON, IA 51442 weather forecast Day 1, 0 hours 1 AM 61° 62° Partly Cloudy 0%

0% Thunder
( 2% severe)
  CALM 97% 60°
Low 55° DENISON, IA 51442 weather forecast Day 1, 3 hours 4 AM 58° 59° Partly Cloudy   CALM 96% 57°
High 78° DENISON, IA 51442 weather forecast Day 1, 6 hours 7 AM 56° 56° Partly Cloudy 0%

0% Thunder
( 1% severe)
  CALM 96% 55°

Clear



DENISON, IA 51442 weather forecast Day 1, 9 hours 10 AM 69° 69° Clear   CALM 81% 63°
DENISON, IA 51442 weather forecast Day 1, 12 hours 1 PM 75° 75° Clear 0%

0% Thunder
( 1% severe)
SE   5 62% 61°
DENISON, IA 51442 weather forecast Day 1, 15 hours 4 PM 77° 79° Clear S   6 58% 61°
DENISON, IA 51442 weather forecast Day 1, 18 hours 7 PM 71° 71° Clear 0%

0% Thunder
( 2% severe)
SSE   3 81% 65°
DENISON, IA 51442 weather forecast Day 1, 21 hours 10 PM 64° 64° Clear SSE   7 93% 62°
Friday
11 SEP 2026
DENISON, IA 51442 weather forecast Day 2, 0 hours 1 AM 63° 63° Clear 0%

0% Thunder
( 3% severe)
SSE   8 87% 59°
Low 60° DENISON, IA 51442 weather forecast Day 2, 3 hours 4 AM 62° 61° Partly Cloudy S   10 90% 59°
High 81° DENISON, IA 51442 weather forecast Day 2, 6 hours 7 AM 61° 59° Partly Cloudy 0%

0% Thunder
( 3% severe)
S   12 100% 61°

Partly Cloudy



DENISON, IA 51442 weather forecast Day 2, 9 hours 10 AM 70° 70° Mostly Cloudy S   15 90% 67°
DENISON, IA 51442 weather forecast Day 2, 12 hours 1 PM 76° 77° Partly Cloudy 0%

0% Thunder
( 7% severe)
S   16 79% 69°
DENISON, IA 51442 weather forecast Day 2, 15 hours 4 PM 79° 82° Partly Cloudy S   16 72% 69°
DENISON, IA 51442 weather forecast Day 2, 18 hours 7 PM 76° 77° Partly Cloudy 18%
RAIN
<.01 in
0% Thunder
( 11% severe)
S   13 79% 69°
DENISON, IA 51442 weather forecast Day 2, 21 hours 10 PM 71° 71° Partly Cloudy S   14 87% 67°

DENISON, IA extended weather forecast

Saturday
12 SEP 2026
Sunday
13 SEP 2026
Monday
14 SEP 2026
Tuesday
15 SEP 2026
Wednesday
16 SEP 2026
Low 62° Low 53° Low 60° Low 63° Low 57°
High 79° High 70° High 80° High 73° High 68°
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
Partly Cloudy
13% Rain
Partly Cloudy
48% Rain
Overcast
63% Rain
Overcast
70% Rain
Overcast
64% Rain
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