10-day forecast for Ralph, SD: 58° to 96°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
96°
Best day: Monday, August 10
94° · 0.43 in
Worst day: Friday, August 14
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 0991° / 61°0
Morning68°feels 66°
Afternoon88°feels 85°
Evening81°feels 80°
Overnight69°feels 67°
91 °
Ralph, Sunday, 9 August
Overcast. High 91°, low 61°.
Pressure29.83 inHg
Wind13.3 mph E
Humidity26%
Visibility6.2 mi
Dew point47°
Mon, 1096° / 68°0
Morning79°feels 79°
Afternoon96°feels 92°
Evening84°feels 81°
Overnight71°feels 69°
96 °
Ralph, Monday, 10 August
Overcast. High 96°, low 68°.
Pressure29.77 inHg
Wind3.9 mph NE
Humidity18%
Visibility6.2 mi
Dew point44°
Tue, 1193° / 61°0
Morning67°feels 67°
Afternoon92°feels 88°
Evening83°feels 81°
Overnight65°feels 65°
93 °
Ralph, Tuesday, 11 August
Mostly clear. High 93°, low 61°.
Pressure29.85 inHg
Wind10.3 mph NE
Humidity25%
Visibility6.2 mi
Dew point48°
Wed, 1287° / 63°0.16
Morning70°feels 69°
Afternoon88°feels 85°
Evening74°feels 74°
Overnight70°feels 69°
87 °
Ralph, Wednesday, 12 August
Light rain. High 87°, low 63°.
Pressure29.83 inHg
Wind11.6 mph E
Humidity32%
Visibility6.2 mi
Dew point52°
Thu, 1381° / 58°0
Morning63°feels 62°
Afternoon76°feels 75°
Evening79°feels 78°
Overnight69°feels 68°
81 °
Ralph, Thursday, 13 August
Overcast. High 81°, low 58°.
Pressure30.06 inHg
Wind16.4 mph SE
Humidity38%
Visibility—
Dew point46°
Fri, 1494° / 65°0.43
Morning71°feels 70°
Afternoon83°feels 83°
Evening70°feels 70°
Overnight68°feels 69°
94 °
Ralph, Friday, 14 August
Rain. High 94°, low 65°.
Pressure29.88 inHg
Wind23.2 mph SE
Humidity39%
Visibility—
Dew point55°
Sat, 1588° / 66°0
Morning71°feels 71°
Afternoon83°feels 82°
Evening84°feels 82°
Overnight75°feels 74°
88 °
Ralph, Saturday, 15 August
Partly cloudy. High 88°, low 66°.
Pressure30.00 inHg
Wind9.1 mph NE
Humidity40%
Visibility—
Dew point54°
Sun, 1691° / 67°0.03
Morning72°feels 71°
Afternoon87°feels 84°
Evening89°feels 86°
Overnight77°feels 77°
91 °
Ralph, Sunday, 16 August
Light rain. High 91°, low 67°.
Pressure29.94 inHg
Wind14.5 mph NW
Humidity33%
Visibility—
Dew point51°
Mon, 1795° / 69°0.07
Morning75°feels 74°
Afternoon91°feels 89°
Evening91°feels 88°
Overnight71°feels 71°
95 °
Ralph, Monday, 17 August
Light rain. High 95°, low 69°.
Pressure29.94 inHg
Wind13.5 mph E
Humidity31%
Visibility—
Dew point53°
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 Ralph, 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.