10-day forecast for Interior, SD: 37° to 90°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
90°
Best day: Friday, October 9
58° · 0.29 in
Worst day: Tuesday, October 13
Tap any day below to see morning, afternoon, evening and overnight.
Fri, 0990° / 49°0
Morning56°feels 56°
Afternoon89°feels 87°
Evening70°feels 69°
Overnight51°feels 50°
90 °
Interior, Friday, 9 October
Clear. High 90°, low 49°.
Pressure29.71 inHg
Wind8.5 mph SE
Humidity43%
Visibility6.2 mi
Dew point55°
Sat, 1088° / 63°0
Morning66°feels 64°
Afternoon88°feels 84°
Evening72°feels 70°
Overnight67°feels 65°
88 °
Interior, Saturday, 10 October
Clear. High 88°, low 63°.
Pressure29.50 inHg
Wind14.4 mph SW
Humidity24%
Visibility6.2 mi
Dew point43°
Sun, 1165° / 53°0
Morning56°feels 55°
Afternoon61°feels 60°
Evening55°feels 53°
Overnight61°feels 59°
65 °
Interior, Sunday, 11 October
Overcast. High 65°, low 53°.
Pressure29.80 inHg
Wind11.7 mph N
Humidity66%
Visibility6.2 mi
Dew point48°
Mon, 1250° / 46°0
Morning46°feels 42°
Afternoon50°feels 46°
Evening49°feels 46°
Overnight48°feels 43°
50 °
Interior, Monday, 12 October
Light rain. High 50°, low 46°.
Pressure30.03 inHg
Wind7 mph NE
Humidity76%
Visibility6.2 mi
Dew point41°
Tue, 1358° / 45°0.29
Morning47°feels 44°
Afternoon54°feels 52°
Evening53°feels 52°
Overnight50°feels 48°
58 °
Interior, Tuesday, 13 October
Rain. High 58°, low 45°.
Pressure30.09 inHg
Wind12.2 mph E
Humidity68%
Visibility—
Dew point42°
Wed, 1456° / 50°0.17
Morning52°feels 51°
Afternoon55°feels 54°
Evening53°feels 51°
Overnight51°feels 49°
56 °
Interior, Wednesday, 14 October
Light rain. High 56°, low 50°.
Pressure29.50 inHg
Wind19.4 mph NW
Humidity84%
Visibility—
Dew point50°
Thu, 1555° / 41°0
Morning50°feels 48°
Afternoon53°feels 49°
Evening46°feels 38°
Overnight43°feels 35°
55 °
Interior, Thursday, 15 October
Overcast. High 55°, low 41°.
Pressure30.12 inHg
Wind26.4 mph NW
Humidity42%
Visibility—
Dew point31°
Fri, 1649° / 39°0
Morning41°feels 34°
Afternoon45°feels 40°
Evening45°feels 42°
Overnight42°feels 38°
49 °
Interior, Friday, 16 October
Partly cloudy. High 49°, low 39°.
Pressure30.71 inHg
Wind17.9 mph NW
Humidity46%
Visibility—
Dew point25°
Sat, 1763° / 37°0
Morning43°feels 39°
Afternoon57°feels 54°
Evening56°feels 54°
Overnight50°feels 47°
63 °
Interior, Saturday, 17 October
Clear. High 63°, low 37°.
Pressure30.50 inHg
Wind8.3 mph SW
Humidity33%
Visibility—
Dew point26°
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.