10-day forecast for Rousseau, 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
71° · 0.2 in
Worst day: Thursday, August 13
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 10100° / 65°0.37
Morning67°feels 66°
Afternoon92°feels 91°
Evening97°feels 96°
Overnight66°feels 65°
100 °
Rousseau, Monday, 10 August
Heavy rain. High 100°, low 65°.
Pressure29.80 inHg
Wind16.7 mph SE
Humidity38%
Visibility6.2 mi
Dew point61°
Tue, 1192° / 68°0.01
Morning70°feels 70°
Afternoon89°feels 88°
Evening88°feels 87°
Overnight69°feels 70°
92 °
Rousseau, Tuesday, 11 August
Light rain. High 92°, low 68°.
Pressure29.85 inHg
Wind11.3 mph NE
Humidity44%
Visibility6.2 mi
Dew point59°
Wed, 1294° / 70°0.04
Morning72°feels 72°
Afternoon91°feels 88°
Evening86°feels 84°
Overnight74°feels 73°
94 °
Rousseau, Wednesday, 12 August
Light rain. High 94°, low 70°.
Pressure29.88 inHg
Wind10.1 mph SE
Humidity35%
Visibility6.2 mi
Dew point55°
Thu, 1371° / 65°0.2
Morning67°feels 68°
Afternoon68°feels 68°
Evening67°feels 67°
Overnight72°feels 72°
71 °
Rousseau, Thursday, 13 August
Light rain. High 71°, low 65°.
Pressure30.00 inHg
Wind14.1 mph SE
Humidity77%
Visibility—
Dew point61°
Fri, 1469° / 62°0
Morning64°feels 64°
Afternoon67°feels 67°
Evening68°feels 68°
Overnight64°feels 65°
69 °
Rousseau, Friday, 14 August
Overcast. High 69°, low 62°.
Pressure30.09 inHg
Wind15.5 mph SE
Humidity75%
Visibility—
Dew point59°
Sat, 1580° / 64°0.01
Morning67°feels 68°
Afternoon76°feels 76°
Evening78°feels 79°
Overnight73°feels 73°
80 °
Rousseau, Saturday, 15 August
Light rain. High 80°, low 64°.
Pressure30.06 inHg
Wind10.5 mph SE
Humidity65%
Visibility—
Dew point61°
Sun, 1691° / 68°0
Morning73°feels 74°
Afternoon87°feels 86°
Evening88°feels 86°
Overnight77°feels 77°
91 °
Rousseau, Sunday, 16 August
Overcast. High 91°, low 68°.
Pressure30.12 inHg
Wind10.7 mph S
Humidity40%
Visibility—
Dew point57°
Mon, 17101° / 72°0
Morning77°feels 78°
Afternoon93°feels 95°
Evening99°feels 98°
Overnight83°feels 84°
101 °
Rousseau, Monday, 17 August
Partly cloudy. High 101°, low 72°.
Pressure29.85 inHg
Wind17.6 mph S
Humidity44%
Visibility—
Dew point64°
Tue, 18104° / 78°0
Morning84°feels 85°
Afternoon99°feels 100°
Evening100°feels 98°
Overnight88°feels 86°
104 °
Rousseau, Tuesday, 18 August
Overcast. High 104°, low 78°.
Pressure29.71 inHg
Wind8.8 mph N
Humidity32%
Visibility—
Dew point61°
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 Rousseau, 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.