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Donnan, IA Weather Conditions

Updated: Sun Mar 15th 2026 9:30 PM CDT

Fog / Mist

29^°F -2^°C

Feels Like 15^°F / -10^°C

Donnan, IA weather condition is Fog / Mist and 29°F.

Today's Weather in Donnan,IA

The current weather in Donnan IA as of 9:30 PM CDT on Sun Mar 15th 2026, has a sky condition of Fog / Mist with the visibility of 1 mile(s). It is 29 degrees fahrenheit but feels like 15 degrees. The barometric pressure is 29.63 - measured by inches of mercury - and is falling since its last observation. The humidity is 100 percent that's rising since the last report, with a dew point of 22 degrees fahrenheit which is falling. Wind direction is from the North at 23.7 miles per hour, gusting at 33.3 miles per hour. Sunrise was at 7:19 AM and Sunset was at 7:14 PM. The moon phase is a Waning Crescent moon rising at 5:49 AM. Thank you for listening to the weather report from LocalConditions.com!

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Sun & Moon

Sun

Sunrise: 7:19 AM

Sunset: 7:14 PM

As of:

Moon

Moonrise: 5:49 AM

Moonset: 3:36 PM

Phase: Waning Crescent Moon

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Hourly Forecast - Next 8 hours

Next 5 Days...

Moderate Or Heavy Snow Showers

Moderate Or Heavy Snow Showers with a high of 20°F and a low of 12°F. Probable rainfall forecasted, having a 71% chance with an estimated 0.14in. Snow is likely with a 39% chance having an estimated 0.3in. Winds will be strong at speeds peaking at 30mph. The humidity will be on the higher side, reaching around 74%.

Temperature	Humidity	Rainfall	Snow	Wind
Hi 20° \| Lo 12°	74%	71% \| est. 0.14in	39% \| est. 0.3in	29.1 mph

Moderate Or Heavy Snow Showers

Moderate Or Heavy Snow Showers with a high of 27°F and a low of 9°F. Probable rainfall forecasted, having a 66% chance with an estimated 0.16in. Possible light Snowfall with a 13% chance estimated at 1.2in accumulation. Winds will be moderate, blowing around 15mph. The humidity will be on the higher side, reaching around 70%.

Temperature	Humidity	Rainfall	Snow	Wind
Hi 27° \| Lo 9°	70%	66% \| est. 0.16in	13% \| est. 1.2in	14.1 mph

Moderate Rain

Moderate Rain with a high of 48°F and a low of 24°F. Probable rainfall forecasted, having a 63% chance with an estimated 0.29in. Possible light Snowfall with a 16% chance estimated at 2.1in accumulation. Winds will be moderate, blowing around 12mph. Expect high humidity with levels above 80% to 91%.

Temperature	Humidity	Rainfall	Snow	Wind
Hi 48° \| Lo 24°	91%	63% \| est. 0.29in	16% \| est. 2.1in	11.9 mph

Fog

Fog with a high of 37°F and a low of 26°F. Probable rainfall forecasted, having an 84% chance with an estimated 0.01in. Winds will be light at 9mph at times. Expect high humidity with levels above 80% to 99%.

Temperature	Humidity	Rainfall	Snow	Wind
Hi 37° \| Lo 26°	99%	84% \| est. 0.01in	0%	8.7 mph

Fog

Fog with a high of 50°F and a low of 33°F. Snow is likely with a 23% chance. Winds will be light at 10mph at times. Expect high humidity with levels above 80% to 98%.

Temperature	Humidity	Rainfall	Snow	Wind
Hi 50° \| Lo 33°	98%	0% \| est. 0in	23%	9.4 mph

Yesterday 5-Day Wind

Weather Radar Map

Live Donnan, IA weather with minute-by-minute precipitation, radar, barometric pressure, temperatures and wind speeds for today thru Thursday, as you toggle through each map layer. Use the slider to move forward and back in time to view how current data and forecasts will affect the region; you can press or click on the map to show metrics available for each tab. The related timestamp is located above the Play button which will animate the weather forecast.

Hourly Temperature

The current temperature today is 29^°F. The morning temperature of 32°^F is lowest at 12am with the daytime high of 32°^F at 11am and a low around 24°^F at 11pm is expected.

Hourly Barometric Pressure

The highest pressure today is 29.79^inHg at 11pm and lowest being 29.43^inHg at 9am.

Hourly Wind Speeds

The fastest wind is reported to be 26.8^mph at 11pm, while the slowest is 10.3^mph around 8am; expect wind gusts peaking 37.4^mph at 11pm. View live wind conditions in Donnan

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