10-day forecast for Interior, SD: 36° to 91°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
91°
Best day: Friday, October 9
58° · 0.71 in
Worst day: Wednesday, October 14
Tap any day below to see morning, afternoon, evening and overnight.
Fri, 0991° / 50°0
Morning55°feels 54°
Afternoon90°feels 88°
Evening70°feels 68°
Overnight53°feels 52°
91 °
Interior, Friday, 9 October
Clear. High 91°, low 50°.
Pressure29.71 inHg
Wind9.1 mph S
Humidity42%
Visibility6.2 mi
Dew point56°
Sat, 1088° / 63°0
Morning67°feels 65°
Afternoon88°feels 84°
Evening71°feels 69°
Overnight67°feels 65°
88 °
Interior, Saturday, 10 October
Clear. High 88°, low 63°.
Pressure29.50 inHg
Wind15 mph SW
Humidity24%
Visibility6.2 mi
Dew point43°
Sun, 1164° / 55°0
Morning56°feels 55°
Afternoon62°feels 61°
Evening56°feels 55°
Overnight60°feels 59°
64 °
Interior, Sunday, 11 October
Overcast. High 64°, low 55°.
Pressure29.80 inHg
Wind11 mph N
Humidity64%
Visibility6.2 mi
Dew point48°
Mon, 1266° / 49°0.01
Morning51°feels 49°
Afternoon64°feels 63°
Evening58°feels 56°
Overnight51°feels 49°
66 °
Interior, Monday, 12 October
Light rain. High 66°, low 49°.
Pressure29.80 inHg
Wind6.9 mph S
Humidity66%
Visibility6.2 mi
Dew point48°
Tue, 1352° / 46°0.22
Morning47°feels 44°
Afternoon49°feels 49°
Evening51°feels 48°
Overnight48°feels 44°
52 °
Interior, Tuesday, 13 October
Rain. High 52°, low 46°.
Pressure30.18 inHg
Wind8.3 mph N
Humidity70%
Visibility—
Dew point39°
Wed, 1458° / 41°0.71
Morning45°feels 41°
Afternoon55°feels 53°
Evening58°feels 57°
Overnight54°feels 53°
58 °
Interior, Wednesday, 14 October
Heavy rain. High 58°, low 41°.
Pressure29.91 inHg
Wind16.3 mph E
Humidity66%
Visibility—
Dew point42°
Thu, 1557° / 45°0.33
Morning51°feels 49°
Afternoon51°feels 48°
Evening46°feels 37°
Overnight46°feels 38°
57 °
Interior, Thursday, 15 October
Rain. High 57°, low 45°.
Pressure29.88 inHg
Wind35.2 mph NW
Humidity64%
Visibility—
Dew point40°
Fri, 1646° / 40°0.04
Morning42°feels 34°
Afternoon44°feels 37°
Evening43°feels 38°
Overnight40°feels 37°
46 °
Interior, Friday, 16 October
Light rain. High 46°, low 40°.
Pressure30.56 inHg
Wind22.7 mph NW
Humidity44%
Visibility—
Dew point23°
Sat, 1763° / 36°0
Morning42°feels 37°
Afternoon57°feels 53°
Evening56°feels 53°
Overnight50°feels 46°
63 °
Interior, Saturday, 17 October
Clear. High 63°, low 36°.
Pressure30.33 inHg
Wind18.2 mph S
Humidity22%
Visibility—
Dew point16°
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 Interior, 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.