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NWS Survey Teams Actively Assessing June 11th, 2026 Storm Damage

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Denison (KDNS)

Lat: 41.98°NLon: 95.38°WElev: 1273ft.

Fair

77°F

25°C

Humidity	47%
Wind Speed	W 10 G 17 mph
Barometer	30.02 in
Dewpoint	55°F (13°C)
Visibility	NA
Heat Index	79°F (26°C)
Last update	12 Jun 11:55 am CDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Denison IA

This Afternoon
High: 82 °F
Sunny
Tonight
Low: 62 °F
Mostly Clear
Saturday
High: 78 °F
Chance
Showers then
Chance
T-storms
Saturday Night
Low: 51 °F
Mostly Clear
Sunday
High: 74 °F
Sunny
Sunday Night
Low: 50 °F
Partly Cloudy
Monday
High: 78 °F
Mostly Sunny
Monday Night
Low: 53 °F
Partly Cloudy
Tuesday
High: 80 °F
Mostly Sunny

Detailed Forecast

This Afternoon

Sunny, with a high near 82. South southwest wind 7 to 11 mph.

Tonight

Mostly clear, with a low around 62. South wind around 10 mph, with gusts as high as 21 mph.

Saturday

A 40 percent chance of showers and thunderstorms, mainly after 9am. Partly sunny, with a high near 78. Southwest wind 5 to 11 mph becoming north in the afternoon. Winds could gust as high as 20 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Saturday Night

Mostly clear, with a low around 51. North wind 6 to 11 mph, with gusts as high as 20 mph.

Sunday

Sunny, with a high near 74. Northwest wind 6 to 11 mph, with gusts as high as 20 mph.

Sunday Night

Partly cloudy, with a low around 50.

Monday

Mostly sunny, with a high near 78.

Monday Night

Partly cloudy, with a low around 53.

Tuesday

Mostly sunny, with a high near 80.