10-day forecast for River Sioux, IA: 27° to 65°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
65°
Best day: Wednesday, November 18
61° · 0.69 in
Worst day: Saturday, November 21
Tap any day below to see morning, afternoon, evening and overnight.
Fri, 1345° / 29°0
Morning31°feels 26°
Afternoon45°feels 45°
Evening35°feels 32°
Overnight31°feels 27°
45 °
River Sioux, Friday, 13 November
Clear. High 45°, low 29°.
Pressure30.24 inHg
Wind2.1 mph N
Humidity66%
Visibility6.2 mi
Dew point27°
Sat, 1445° / 27°0
Morning29°feels 22°
Afternoon45°feels 41°
Evening34°feels 29°
Overnight30°feels 26°
45 °
River Sioux, Saturday, 14 November
Clear. High 45°, low 27°.
Pressure30.30 inHg
Wind9.6 mph S
Humidity62%
Visibility6.2 mi
Dew point25°
Sun, 1548° / 28°0
Morning29°feels 23°
Afternoon48°feels 45°
Evening36°feels 31°
Overnight29°feels 24°
48 °
River Sioux, Sunday, 15 November
Partly cloudy. High 48°, low 28°.
Pressure30.42 inHg
Wind7.4 mph S
Humidity60%
Visibility6.2 mi
Dew point30°
Mon, 1653° / 32°0
Morning35°feels 29°
Afternoon51°feels 49°
Evening47°feels 41°
Overnight33°feels 27°
53 °
River Sioux, Monday, 16 November
Clear. High 53°, low 32°.
Pressure30.36 inHg
Wind11.5 mph S
Humidity59%
Visibility6.2 mi
Dew point35°
Tue, 1756° / 41°0
Morning44°feels 39°
Afternoon53°feels 51°
Evening51°feels 48°
Overnight47°feels 41°
56 °
River Sioux, Tuesday, 17 November
Partly cloudy. High 56°, low 41°.
Pressure30.21 inHg
Wind15.6 mph S
Humidity56%
Visibility—
Dew point37°
Wed, 1865° / 47°0.01
Morning53°feels 48°
Afternoon62°feels 61°
Evening63°feels 62°
Overnight57°feels 55°
65 °
River Sioux, Wednesday, 18 November
Light rain. High 65°, low 47°.
Pressure29.88 inHg
Wind21.6 mph S
Humidity59%
Visibility—
Dew point46°
Thu, 1958° / 47°0.01
Morning49°feels 47°
Afternoon55°feels 52°
Evening52°feels 50°
Overnight52°feels 50°
58 °
River Sioux, Thursday, 19 November
Light rain. High 58°, low 47°.
Pressure30.12 inHg
Wind7.5 mph SW
Humidity50%
Visibility—
Dew point36°
Fri, 2060° / 53°0.06
Morning56°feels 55°
Afternoon58°feels 58°
Evening59°feels 59°
Overnight58°feels 58°
60 °
River Sioux, Friday, 20 November
Light rain. High 60°, low 53°.
Pressure30.09 inHg
Wind14.5 mph S
Humidity93%
Visibility—
Dew point55°
Sat, 2161° / 58°0.69
Morning59°feels 58°
Afternoon60°feels 60°
Evening58°feels 58°
Overnight59°feels 58°
61 °
River Sioux, Saturday, 21 November
Rain. High 61°, low 58°.
Pressure29.94 inHg
Wind18.6 mph S
Humidity80%
Visibility—
Dew point54°
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 River Sioux, IA 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.