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As of 02:19 CDT

Weather in Iona, SD

70°Current weather

Iona, Sunday, 9 August, 02:19

Clear. Feels like 70°. High 95°, low 66°.

Pressure29.74 inHg
Wind6.8 mph S
Humidity80%
Visibility6.2 mi
Dew point63°

10-day forecast for Iona, SD: 60° to 105°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.

105°
Best day: Tuesday, August 18
75° · 0.95 in
Worst day: Thursday, August 13

Tap any day below to see morning, afternoon, evening and overnight.

Mon, 1098° / 65°0.02Light rain
MorningOvercast68°feels 68°
AfternoonClear93°feels 91°
EveningClear96°feels 94°
OvernightOvercast71°feels 71°
98 °Light rain

Iona, Monday, 10 August

Light rain. High 98°, low 65°.

Pressure29.80 inHg
Wind17.8 mph SE
Humidity38%
Visibility6.2 mi
Dew point61°
Tue, 1196° / 64°0Partly cloudy
MorningMostly clear68°feels 69°
AfternoonOvercast93°feels 92°
EveningClear90°feels 89°
OvernightClear66°feels 67°
96 °Partly cloudy

Iona, Tuesday, 11 August

Partly cloudy. High 96°, low 64°.

Pressure29.80 inHg
Wind11.5 mph NE
Humidity40%
Visibility6.2 mi
Dew point60°
Wed, 1293° / 67°0.05Light rain
MorningClear70°feels 70°
AfternoonOvercast91°feels 89°
EveningOvercast87°feels 86°
OvernightOvercast73°feels 74°
93 °Light rain

Iona, Wednesday, 12 August

Light rain. High 93°, low 67°.

Pressure29.85 inHg
Wind8.9 mph E
Humidity37%
Visibility6.2 mi
Dew point57°
Thu, 1375° / 60°0.95Rain
MorningRain64°feels 64°
AfternoonRain62°feels 62°
EveningRain61°feels 61°
OvernightOvercast73°feels 72°
75 °Rain

Iona, Thursday, 13 August

Rain. High 75°, low 60°.

Pressure30.00 inHg
Wind15.2 mph E
Humidity95%
Visibility—
Dew point61°
Fri, 1463° / 60°0.02Light rain
MorningLight rain61°feels 61°
AfternoonLight rain62°feels 62°
EveningLight rain62°feels 62°
OvernightLight rain61°feels 62°
63 °Light rain

Iona, Friday, 14 August

Light rain. High 63°, low 60°.

Pressure30.12 inHg
Wind11.9 mph SE
Humidity91%
Visibility—
Dew point59°
Sat, 1577° / 62°0.01Light rain
MorningLight rain65°feels 65°
AfternoonLight rain72°feels 73°
EveningLight rain76°feels 77°
OvernightLight rain70°feels 71°
77 °Light rain

Iona, Saturday, 15 August

Light rain. High 77°, low 62°.

Pressure30.09 inHg
Wind8.7 mph SE
Humidity78%
Visibility—
Dew point63°
Sun, 1687° / 66°0Overcast
MorningOvercast71°feels 71°
AfternoonOvercast84°feels 84°
EveningOvercast82°feels 82°
OvernightOvercast71°feels 71°
87 °Overcast

Iona, Sunday, 16 August

Overcast. High 87°, low 66°.

Pressure30.12 inHg
Wind10 mph SE
Humidity46%
Visibility—
Dew point58°
Mon, 1794° / 67°0Partly cloudy
MorningPartly cloudy73°feels 75°
AfternoonPartly cloudy89°feels 92°
EveningPartly cloudy91°feels 95°
OvernightPartly cloudy81°feels 84°
94 °Partly cloudy

Iona, Monday, 17 August

Partly cloudy. High 94°, low 67°.

Pressure29.91 inHg
Wind17.6 mph S
Humidity50%
Visibility—
Dew point64°
Tue, 18105° / 75°0Clear
MorningClear82°feels 82°
AfternoonClear100°feels 99°
EveningClear99°feels 97°
OvernightClear81°feels 80°
105 °Clear

Iona, Tuesday, 18 August

Clear. High 105°, low 75°.

Pressure29.68 inHg
Wind9.1 mph NW
Humidity25%
Visibility—
Dew point55°

About this forecast

How reliable is a 10-day forecast?

The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.

What does the time-of-day table show?

Temperature in Iona, SD around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.

How is the best day chosen?

We weigh the daytime high against precipitation: a warm, dry day scores highest.