10-day forecast for River Sioux, IA: 41° to 75°, with precipitation expected on 6 days. The table below breaks each day into morning, afternoon, evening and overnight.
75°
Best day: Wednesday, October 28
69° · 1.02 in
Worst day: Monday, November 2
Tap any day below to see morning, afternoon, evening and overnight.
Thu, 2968° / 50°0
Morning50°feels 48°
Afternoon68°feels 66°
Evening55°feels 53°
Overnight56°feels 56°
68 °
River Sioux, Thursday, 29 October
Clear. High 68°, low 50°.
Pressure30.21 inHg
Wind5.4 mph E
Humidity54%
Visibility6.2 mi
Dew point45°
Fri, 3066° / 52°0.62
Morning53°feels 53°
Afternoon64°feels 64°
Evening58°feels 58°
Overnight55°feels 54°
66 °
River Sioux, Friday, 30 October
Heavy rain. High 66°, low 52°.
Pressure30.18 inHg
Wind6.3 mph E
Humidity77%
Visibility6.2 mi
Dew point52°
Sat, 3168° / 56°0.09
Morning58°feels 57°
Afternoon68°feels 67°
Evening58°feels 57°
Overnight61°feels 61°
68 °
River Sioux, Saturday, 31 October
Rain. High 68°, low 56°.
Pressure30.18 inHg
Wind10.1 mph S
Humidity57%
Visibility6.2 mi
Dew point50°
Sun, 0166° / 58°0.06
Morning58°feels 58°
Afternoon65°feels 65°
Evening61°feels 60°
Overnight58°feels 58°
66 °
River Sioux, Sunday, 1 November
Light rain. High 66°, low 58°.
Pressure30.15 inHg
Wind6.8 mph SE
Humidity82%
Visibility6.2 mi
Dew point57°
Mon, 0269° / 59°1.02
Morning62°feels 62°
Afternoon66°feels 67°
Evening64°feels 63°
Overnight61°feels 61°
69 °
River Sioux, Monday, 2 November
Rain. High 69°, low 59°.
Pressure29.68 inHg
Wind17 mph S
Humidity94%
Visibility—
Dew point64°
Tue, 0359° / 52°0.2
Morning54°feels 53°
Afternoon59°feels 57°
Evening56°feels 56°
Overnight56°feels 56°
59 °
River Sioux, Tuesday, 3 November
Rain. High 59°, low 52°.
Pressure30.06 inHg
Wind15 mph NW
Humidity62%
Visibility—
Dew point45°
Wed, 0457° / 52°0.06
Morning55°feels 54°
Afternoon55°feels 54°
Evening53°feels 52°
Overnight53°feels 52°
57 °
River Sioux, Wednesday, 4 November
Light rain. High 57°, low 52°.
Pressure29.74 inHg
Wind14 mph N
Humidity87%
Visibility—
Dew point52°
Thu, 0555° / 51°0
Morning52°feels 51°
Afternoon53°feels 52°
Evening55°feels 53°
Overnight51°feels 50°
55 °
River Sioux, Thursday, 5 November
Light rain. High 55°, low 51°.
Pressure29.80 inHg
Wind15.7 mph NW
Humidity86%
Visibility—
Dew point49°
Fri, 0653° / 41°0
Morning44°feels 39°
Afternoon50°feels 47°
Evening46°feels 42°
Overnight43°feels 39°
53 °
River Sioux, Friday, 6 November
Clear. High 53°, low 41°.
Pressure30.15 inHg
Wind11.9 mph N
Humidity43%
Visibility—
Dew point28°
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.