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Ionia, MO Weather Forecast for 5-Days

Updated: Mon Jun 8th 2026 12:00 AM CDT

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Ionia, MO Weather – 6-8 – Scattered Showers
84° / 71°
Scattered Showers
In Ionia, on and off showers are set to occur with highs near 84°F and lows around 71°F. The chance of rain is 85% with an estimated 0.12in. Wind will be moderate, blowing around 15mph on average and gusts of 17.9mph at 11 PM. High humidity with average of 88% is anticipated, the maximum being 100% at 1 AM and 71% being its lowest at 4 PM. Barometric pressure is its highest of 29.89inHg at 11 PM, a lowest point of 29.76inHg at 2 AM with an avg 29.84inHg.
Ionia, MO Weather – 6-9 – Sunny
90° / 71°

Weather Tomorrow

Sunny
Ionia may see sunshine, with daytime highs of 90°F and overnight lows near 71°F. Rainfall predicted to have a 73% chance with an estimated 0in. Wind will be moderate, blowing around 17mph on average and gusts of 22.5mph at 7 PM. High humidity with average of 82% is anticipated, the maximum being 96% at 5 AM and 64% being its lowest at 2 PM. Barometric pressure is its highest of 29.92inHg at 7 AM, a lowest point of 29.81inHg at 7 PM with an avg 29.87inHg.
Ionia, MO Weather – 6-10 – Scattered Showers
89° / 74°
Scattered Showers
Daytime highs will reach 89°F with lows dropping to 74°F in Ionia, where on and off showers are set to occur. Rainfall predicted to have a 73% chance with an estimated 0.04in. Wind will be moderate, blowing around 20mph on average and gusts of 27mph at 2 AM. The humidity will be on the higher side, averaging about 74%, the maximum being 89% at 12 AM and 61% being its lowest at 2 PM. Barometric pressure is its highest of 29.86inHg at 12 AM, a lowest point of 29.71inHg at 7 PM with an avg 29.77inHg.
Ionia, MO Weather – 6-11 – Scattered Showers
89° / 69°
Scattered Showers
Daytime highs will reach 89°F with lows dropping to 69°F in Ionia, where showers likely at times. Rainfall predicted to have a 73% chance with an estimated 0.16in. Wind will be moderate, blowing around 20mph on average and gusts of 37.5mph at 8 PM. The humidity will be on the higher side, averaging about 79%, the maximum being 95% at 11 PM and 63% being its lowest at 2 PM. Barometric pressure is its highest of 29.8inHg at 10 PM, a lowest point of 29.63inHg at 7 PM with an avg 29.72inHg.
Ionia, MO Weather – 6-12 – Scattered Showers
81° / 60°
Scattered Showers
Ionia is set for scattered showers with temperatures peaking at 81°F and dipping to 60°F. Rainfall predicted to have a 73% chance with an estimated 0.04in. Wind will be moderate, blowing around 15mph on average and gusts of 27.1mph at 12 AM. The humidity will be on the higher side, averaging about 77%, the maximum being 97% at 3 AM and 45% being its lowest at 1 PM. Barometric pressure is its highest of 30inHg at 12 PM, a lowest point of 29.84inHg at 12 AM with an avg 29.94inHg.
Ionia, MO Weather – 6-13 – Moderate Rain
84° / 64°
Moderate Rain
Rain showers are in the forecast for Ionia, with a high of 84°F and a low of 64°F. The chance of rain is 90% with an estimated 0.41in. Wind will be moderate, blowing around 13mph on average and gusts of 22.5mph at 4 PM. High humidity with average of 90% is anticipated, the maximum being 98% at 4 AM and 76% being its lowest at 4 PM. Barometric pressure is its highest of 29.91inHg at 12 AM, a lowest point of 29.73inHg at 7 PM with an avg 29.81inHg.

Currently

Partly Cloudy 72°F
29.81 inHg.
Barometer
100%
Humidity
S 9.4 mph
Wind
Partly Cloudy

5 Day Forecast Nearby

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