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Donnan, IA Weather Forecast for 5-Days

Updated: Sat Apr 18th 2026 12:30 PM CDT

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Donnan, IA Weather – 4-18 – Partly Cloudy
48° / 32°
Partly Cloudy
Donnan is set for cloudy skies with temperatures peaking at 48°F and dipping to 32°F. Winds will be strong at speeds peaking at 22mph and gusts of 24.4mph at 4 PM. Humidity levels should be comfortable, sitting around 56% on average, the maximum being 56% at 11 PM and 28% being its lowest at 6 PM. Barometric pressure is its highest of 30.08inHg at 11 PM, a lowest point of 29.99inHg at 5 PM with an avg 30.02inHg.
Donnan, IA Weather – 4-19 – Scattered Showers
49° / 34°

Weather Tomorrow

Scattered Showers
Donnan may see scattered showers, with daytime highs of 49°F and overnight lows near 34°F. The chance of rain is 83% with an estimated 0.02in. Wind will be moderate, blowing around 15mph on average and gusts of 19.3mph at 5 AM. Humidity levels should be comfortable, sitting around 55% on average, the maximum being 88% at 9 AM and 35% being its lowest at 5 PM. Barometric pressure is its highest of 30.32inHg at 11 PM, a lowest point of 30.07inHg at 4 AM with an avg 30.16inHg.
Donnan, IA Weather – 4-20 – Sunny
55° / 31°
Sunny
Highs will reach 55°F with lows near 31°F in Donnan, where a sunny day is. Wind will be moderate, blowing around 17mph on average and gusts of 27.2mph at 11 PM. Humidity levels should be comfortable, sitting around 56% on average, the maximum being 86% at 11 PM and 39% being its lowest at 12 PM. Barometric pressure is its highest of 30.35inHg at 3 AM, a lowest point of 29.87inHg at 11 PM with an avg 30.21inHg.
Donnan, IA Weather – 4-21 – Sunny
72° / 51°
Sunny
Donnan is set for a sunny day with temperatures peaking at 72°F and dipping to 51°F. Wind will be moderate, blowing around 16mph on average and gusts of 26.5mph at 12 AM. The humidity will be on the higher side, averaging about 69%, the maximum being 87% at 7 AM and 39% being its lowest at 4 PM. Barometric pressure is its highest of 29.99inHg at 7 PM, a lowest point of 29.83inHg at 3 PM with an avg 29.89inHg.
Donnan, IA Weather – 4-22 – Sunny
73° / 44°
Sunny
Highs will reach 73°F with lows near 44°F in Donnan, where a sunny day is. Wind will be moderate, blowing around 18mph on average and gusts of 27.3mph at 7 PM. The humidity will be on the higher side, averaging about 73%, the maximum being 97% at 6 AM and 52% being its lowest at 1 PM. Barometric pressure is its highest of 30.06inHg at 6 AM, a lowest point of 29.77inHg at 7 PM with an avg 29.95inHg.
Donnan, IA Weather – 4-23 – Scattered Showers
74° / 58°
Scattered Showers
In Donnan, showers likely at times with highs near 74°F and lows around 58°F. The chance of rain is 76% with an estimated 0.12in. Winds will be strong at speeds peaking at 23mph and gusts of 36mph at 10 PM. High humidity with average of 84% is anticipated, the maximum being 90% at 6 AM and 74% being its lowest at 4 PM. Barometric pressure is its highest of 29.85inHg at 1 AM, a lowest point of 29.55inHg at 4 PM with an avg 29.66inHg.

Currently

Partly Cloudy 39°F
30.01 inHg.
Barometer
56%
Humidity
WNW 30.6 mph
Wind
Partly Cloudy

5 Day Forecast Nearby

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