10-day forecast for Lucas, SD: 56° to 102°, with precipitation expected on 4 days. The table below breaks each day into morning, afternoon, evening and overnight.
102°
Best day: Monday, August 10
73° · 0.81 in
Worst day: Thursday, August 13
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 0994° / 64°0
Morning70°feels 69°
Afternoon91°feels 89°
Evening88°feels 85°
Overnight71°feels 71°
94 °
Lucas, Sunday, 9 August
Mostly clear. High 94°, low 64°.
Pressure29.77 inHg
Wind14.2 mph NE
Humidity38%
Visibility6.2 mi
Dew point61°
Mon, 10102° / 64°0.03
Morning67°feels 67°
Afternoon98°feels 96°
Evening96°feels 93°
Overnight70°feels 70°
102 °
Lucas, Monday, 10 August
Light rain. High 102°, low 64°.
Pressure29.77 inHg
Wind12.3 mph E
Humidity28%
Visibility6.2 mi
Dew point56°
Tue, 1194° / 64°0.01
Morning67°feels 67°
Afternoon91°feels 91°
Evening89°feels 88°
Overnight72°feels 73°
94 °
Lucas, Tuesday, 11 August
Light rain. High 94°, low 64°.
Pressure29.83 inHg
Wind12.8 mph NE
Humidity43%
Visibility6.2 mi
Dew point60°
Wed, 1291° / 65°0.23
Morning68°feels 68°
Afternoon89°feels 88°
Evening86°feels 85°
Overnight69°feels 70°
91 °
Lucas, Wednesday, 12 August
Rain. High 91°, low 65°.
Pressure29.88 inHg
Wind7.2 mph E
Humidity41%
Visibility6.2 mi
Dew point59°
Thu, 1373° / 61°0.81
Morning62°feels 62°
Afternoon64°feels 64°
Evening69°feels 69°
Overnight63°feels 63°
73 °
Lucas, Thursday, 13 August
Heavy rain. High 73°, low 61°.
Pressure30.00 inHg
Wind15.9 mph E
Humidity93%
Visibility—
Dew point60°
Fri, 1474° / 58°0
Morning63°feels 62°
Afternoon73°feels 73°
Evening67°feels 67°
Overnight61°feels 61°
74 °
Lucas, Friday, 14 August
Overcast. High 74°, low 58°.
Pressure30.09 inHg
Wind18.2 mph S
Humidity49%
Visibility—
Dew point52°
Sat, 1579° / 64°0
Morning67°feels 67°
Afternoon75°feels 76°
Evening75°feels 76°
Overnight68°feels 69°
79 °
Lucas, Saturday, 15 August
Overcast. High 79°, low 64°.
Pressure30.12 inHg
Wind9.6 mph S
Humidity67%
Visibility—
Dew point62°
Sun, 1683° / 64°0.07
Morning70°feels 71°
Afternoon82°feels 84°
Evening78°feels 78°
Overnight69°feels 70°
83 °
Lucas, Sunday, 16 August
Light rain. High 83°, low 64°.
Pressure30.03 inHg
Wind11.2 mph S
Humidity56%
Visibility—
Dew point63°
Mon, 1794° / 66°0.05
Morning72°feels 73°
Afternoon87°feels 89°
Evening86°feels 85°
Overnight71°feels 71°
94 °
Lucas, Monday, 17 August
Light rain. High 94°, low 66°.
Pressure29.94 inHg
Wind15.2 mph W
Humidity49%
Visibility—
Dew point63°
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 Lucas, 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.