10-day forecast for Fort Pierre, SD: 62° to 104°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
104°
Best day: Tuesday, August 18
73° · 0.3 in
Worst day: Thursday, August 13
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 10101° / 64°0.26
Morning66°feels 66°
Afternoon92°feels 90°
Evening99°feels 98°
Overnight66°feels 64°
101 °
Fort Pierre, Monday, 10 August
Rain. High 101°, low 64°.
Pressure29.80 inHg
Wind16 mph SE
Humidity39%
Visibility6.2 mi
Dew point61°
Tue, 1193° / 68°0
Morning70°feels 70°
Afternoon90°feels 89°
Evening89°feels 87°
Overnight69°feels 70°
93 °
Fort Pierre, Tuesday, 11 August
Clear. High 93°, low 68°.
Pressure29.85 inHg
Wind11.3 mph NE
Humidity43%
Visibility6.2 mi
Dew point58°
Wed, 1295° / 70°0.05
Morning72°feels 73°
Afternoon91°feels 88°
Evening87°feels 85°
Overnight74°feels 73°
95 °
Fort Pierre, Wednesday, 12 August
Light rain. High 95°, low 70°.
Pressure29.88 inHg
Wind10 mph E
Humidity38%
Visibility6.2 mi
Dew point57°
Thu, 1373° / 65°0.3
Morning69°feels 70°
Afternoon72°feels 72°
Evening67°feels 67°
Overnight71°feels 71°
73 °
Fort Pierre, Thursday, 13 August
Rain. High 73°, low 65°.
Pressure30.00 inHg
Wind16.2 mph SE
Humidity69%
Visibility—
Dew point61°
Fri, 1469° / 62°0
Morning65°feels 65°
Afternoon68°feels 68°
Evening69°feels 69°
Overnight65°feels 65°
69 °
Fort Pierre, Friday, 14 August
Overcast. High 69°, low 62°.
Pressure30.09 inHg
Wind16.8 mph SE
Humidity76%
Visibility—
Dew point59°
Sat, 1582° / 63°0
Morning67°feels 68°
Afternoon78°feels 78°
Evening81°feels 82°
Overnight75°feels 75°
82 °
Fort Pierre, Saturday, 15 August
Overcast. High 82°, low 63°.
Pressure30.06 inHg
Wind11.2 mph SE
Humidity61%
Visibility—
Dew point61°
Sun, 1692° / 69°0
Morning74°feels 74°
Afternoon87°feels 86°
Evening88°feels 87°
Overnight78°feels 79°
92 °
Fort Pierre, Sunday, 16 August
Overcast. High 92°, low 69°.
Pressure30.12 inHg
Wind12.1 mph S
Humidity39%
Visibility—
Dew point56°
Mon, 17102° / 72°0.01
Morning78°feels 80°
Afternoon95°feels 97°
Evening99°feels 98°
Overnight85°feels 84°
102 °
Fort Pierre, Monday, 17 August
Light rain. High 102°, low 72°.
Pressure29.83 inHg
Wind18.2 mph S
Humidity40%
Visibility—
Dew point63°
Tue, 18104° / 79°0
Morning84°feels 85°
Afternoon99°feels 99°
Evening100°feels 98°
Overnight88°feels 87°
104 °
Fort Pierre, Tuesday, 18 August
Overcast. High 104°, low 79°.
Pressure29.71 inHg
Wind11.6 mph NW
Humidity30%
Visibility—
Dew point59°
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 Fort Pierre, 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.