10-day forecast for River Sioux, IA: 36° to 67°, with precipitation expected on 4 days. The table below breaks each day into morning, afternoon, evening and overnight.
66°
Best day: Thursday, October 29
53° · 0.99 in
Worst day: Wednesday, November 4
Tap any day below to see morning, afternoon, evening and overnight.
Fri, 3061° / 52°0.2
Morning54°feels 53°
Afternoon60°feels 59°
Evening56°feels 56°
Overnight54°feels 52°
61 °
River Sioux, Friday, 30 October
Rain. High 61°, low 52°.
Pressure30.18 inHg
Wind8.1 mph E
Humidity69%
Visibility6.2 mi
Dew point48°
Sat, 3167° / 55°0.02
Morning58°feels 58°
Afternoon66°feels 65°
Evening58°feels 58°
Overnight56°feels 56°
67 °
River Sioux, Saturday, 31 October
Light rain. High 67°, low 55°.
Pressure30.18 inHg
Wind9.2 mph S
Humidity68%
Visibility6.2 mi
Dew point53°
Sun, 0167° / 54°0.02
Morning54°feels 53°
Afternoon67°feels 66°
Evening62°feels 62°
Overnight57°feels 57°
67 °
River Sioux, Sunday, 1 November
Light rain. High 67°, low 54°.
Pressure30.18 inHg
Wind6 mph S
Humidity78%
Visibility6.2 mi
Dew point55°
Mon, 0267° / 60°0.92
Morning61°feels 62°
Afternoon67°feels 68°
Evening65°feels 66°
Overnight62°feels 62°
67 °
River Sioux, Monday, 2 November
Rain. High 67°, low 60°.
Pressure29.68 inHg
Wind18.5 mph S
Humidity89%
Visibility6.2 mi
Dew point62°
Tue, 0362° / 54°0.02
Morning60°feels 59°
Afternoon60°feels 58°
Evening56°feels 54°
Overnight55°feels 53°
62 °
River Sioux, Tuesday, 3 November
Light rain. High 62°, low 54°.
Pressure29.85 inHg
Wind16.6 mph NW
Humidity64%
Visibility—
Dew point48°
Wed, 0453° / 44°0.99
Morning47°feels 40°
Afternoon44°feels 37°
Evening44°feels 37°
Overnight45°feels 39°
53 °
River Sioux, Wednesday, 4 November
Rain. High 53°, low 44°.
Pressure29.88 inHg
Wind20.3 mph N
Humidity90%
Visibility—
Dew point42°
Thu, 0554° / 44°0.17
Morning46°feels 41°
Afternoon51°feels 48°
Evening46°feels 40°
Overnight44°feels 37°
54 °
River Sioux, Thursday, 5 November
Rain. High 54°, low 44°.
Pressure29.85 inHg
Wind17.1 mph N
Humidity63%
Visibility—
Dew point39°
Fri, 0650° / 40°0
Morning42°feels 36°
Afternoon47°feels 42°
Evening43°feels 39°
Overnight40°feels 36°
50 °
River Sioux, Friday, 6 November
Overcast. High 50°, low 40°.
Pressure30.06 inHg
Wind12.2 mph NW
Humidity60%
Visibility—
Dew point33°
Sat, 0751° / 36°0
Morning39°feels 38°
Afternoon47°feels 45°
Evening44°feels 41°
Overnight40°feels 37°
51 °
River Sioux, Saturday, 7 November
Clear. High 51°, low 36°.
Pressure30.27 inHg
Wind6.1 mph S
Humidity49%
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.