10-day forecast for St. Francis, SD: 58° to 101°, with precipitation expected on 1 day. The table below breaks each day into morning, afternoon, evening and overnight.
101°
Best day: Tuesday, August 18
71° · 1 in
Worst day: Thursday, August 13
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 10100° / 64°0.01
Morning67°feels 67°
Afternoon95°feels 92°
Evening81°feels 80°
Overnight69°feels 68°
100 °
St. Francis, Monday, 10 August
Light rain. High 100°, low 64°.
Pressure29.77 inHg
Wind10.9 mph SE
Humidity30%
Visibility6.2 mi
Dew point56°
Tue, 1196° / 62°0.01
Morning65°feels 65°
Afternoon92°feels 90°
Evening89°feels 87°
Overnight69°feels 68°
96 °
St. Francis, Tuesday, 11 August
Light rain. High 96°, low 62°.
Pressure29.83 inHg
Wind13.1 mph NE
Humidity41%
Visibility6.2 mi
Dew point59°
Wed, 1295° / 63°0
Morning67°feels 68°
Afternoon92°feels 90°
Evening88°feels 85°
Overnight72°feels 71°
95 °
St. Francis, Wednesday, 12 August
Light rain. High 95°, low 63°.
Pressure29.85 inHg
Wind9.6 mph E
Humidity38%
Visibility6.2 mi
Dew point59°
Thu, 1371° / 59°1
Morning61°feels 61°
Afternoon61°feels 62°
Evening60°feels 60°
Overnight69°feels 69°
71 °
St. Francis, Thursday, 13 August
Rain. High 71°, low 59°.
Pressure29.97 inHg
Wind15.6 mph NE
Humidity96%
Visibility—
Dew point60°
Fri, 1462° / 58°0.01
Morning59°feels 59°
Afternoon60°feels 61°
Evening61°feels 61°
Overnight60°feels 60°
62 °
St. Francis, Friday, 14 August
Light rain. High 62°, low 58°.
Pressure30.06 inHg
Wind14.6 mph SE
Humidity93%
Visibility—
Dew point58°
Sat, 1576° / 60°0.02
Morning64°feels 64°
Afternoon73°feels 73°
Evening75°feels 75°
Overnight67°feels 67°
76 °
St. Francis, Saturday, 15 August
Light rain. High 76°, low 60°.
Pressure30.06 inHg
Wind12 mph S
Humidity72%
Visibility—
Dew point61°
Sun, 1686° / 64°0.01
Morning69°feels 69°
Afternoon82°feels 82°
Evening81°feels 81°
Overnight70°feels 70°
86 °
St. Francis, Sunday, 16 August
Light rain. High 86°, low 64°.
Pressure30.12 inHg
Wind13.3 mph SE
Humidity45%
Visibility—
Dew point56°
Mon, 1797° / 67°0
Morning73°feels 74°
Afternoon91°feels 91°
Evening95°feels 92°
Overnight80°feels 80°
97 °
St. Francis, Monday, 17 August
Clear. High 97°, low 67°.
Pressure29.85 inHg
Wind18.6 mph S
Humidity40%
Visibility—
Dew point60°
Tue, 18101° / 75°0
Morning82°feels 81°
Afternoon98°feels 95°
Evening94°feels 91°
Overnight82°feels 80°
101 °
St. Francis, Tuesday, 18 August
Mostly clear. High 101°, low 75°.
Pressure29.74 inHg
Wind16.9 mph S
Humidity22%
Visibility—
Dew point50°
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 St. Francis, 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.