How is the weather in Denison, IA?

At 12:55 AM on Sat, Sep 6, 2025 it is clear and 45 degrees Fahrenheit, feeling like 45 degrees.

Denison, IA Weather Forecast and Current Conditions (51442)

45°F
Feels Like 45°F

Humidity 100% Dew Point 45°F Wind Calm 0 MPH Barometer 30.09 in.764.3 mm

Solar Rad 0 w/m2 Visibility 10 mi.

Report from 3.6 miles S of central Denison at 12:55 AM Sat, Sep 6, 2025

Current Weather

45°F
Feels Like 45°F

Humidity 100% Dew Point 45°F Wind Calm 0 MPH Barometer 30.09 in.764.3 mm

Solar Rad 0 w/m2 Visibility 10 mi.

Report from 3.6 miles S of central Denison at 12:55 AM Sat, Sep 6, 2025

Forecast at a Glance

SatSep 6

67°

38°

SunSep 7

70°

50°

MonSep 8

30%

77°

60°

TueSep 9

60%

80°

59°

WedSep 10

10%

81°

59°

ThuSep 11

20%

80°

60°

FriSep 12

20%

79°

This Date in Weather History

1881 - Forest fires in Michigan and Ontario resulted in 'Yellow Day' in the northeastern U.S. Twenty villages in Michigan burned, and a total of 500 persons were killed. Fires caused 2.3 million dollars in losses near Lake Huron. Candles were needed at the noon hour.

Denison 7 Day Weather Forecast Details

Saturday Sep 6

Day: Sunny. High near 67, with temperatures falling to around 65 in the afternoon. West northwest wind 1 to 8 mph.

Night: Mostly clear, with a low around 38. North wind 0 to 6 mph.

Sunday Sep 7

Day: Sunny, with a high near 70. East southeast wind 0 to 3 mph.

Night: Mostly clear, with a low around 50. South southeast wind 2 to 7 mph.

Monday Sep 8

Day: A chance of showers and thunderstorms between 7am and 10am, then a chance of showers and thunderstorms between 10am and 1pm, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 77. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.

Night: A chance of showers and thunderstorms before 1am, then showers and thunderstorms likely. Mostly cloudy, with a low around 60. Chance of precipitation is 60%.

Tuesday Sep 9

Day: Showers and thunderstorms likely before 7am. Mostly sunny, with a high near 80. Chance of precipitation is 60%.

Night: Partly cloudy, with a low around 59.

Wednesday Sep 10

Day: Mostly sunny, with a high near 81.

Night: A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 59.

Thursday Sep 11

Day: A slight chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 80.

Night: A slight chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 60.

Friday Sep 12

Day: A slight chance of showers and thunderstorms. Partly sunny, with a high near 79.

Sun & Moon Monthly

First Light 6:24 AM

Sunrise 6:52 AM

Sunset 7:50 PM

Last Light 8:18 PM

Moonrise 7:22 PM

Moonset 5:21 AM

Moon Phase

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