10-day forecast for Letcher, SD: 25° to 83°, with precipitation expected on 1 day. The table below breaks each day into morning, afternoon, evening and overnight.
83°
Best day: Sunday, October 11
58° · 0.54 in
Worst day: Thursday, October 15
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1269° / 50°0
Morning52°feels 51°
Afternoon68°feels 68°
Evening62°feels 61°
Overnight54°feels 53°
69 °
Letcher, Monday, 12 October
Overcast. High 69°, low 50°.
Pressure29.68 inHg
Wind13.3 mph NW
Humidity67%
Visibility6.2 mi
Dew point54°
Tue, 1358° / 49°0
Morning49°feels 45°
Afternoon55°feels 53°
Evening53°feels 51°
Overnight53°feels 51°
58 °
Letcher, Tuesday, 13 October
Overcast. High 58°, low 49°.
Pressure30.03 inHg
Wind8.3 mph N
Humidity59%
Visibility6.2 mi
Dew point39°
Wed, 1461° / 44°0
Morning43°feels 43°
Afternoon59°feels 57°
Evening56°feels 54°
Overnight48°feels 44°
61 °
Letcher, Wednesday, 14 October
Clear. High 61°, low 44°.
Pressure30.27 inHg
Wind6 mph NE
Humidity56%
Visibility6.2 mi
Dew point41°
Thu, 1558° / 50°0.54
Morning52°feels 51°
Afternoon55°feels 54°
Evening54°feels 52°
Overnight51°feels 50°
58 °
Letcher, Thursday, 15 October
Rain. High 58°, low 50°.
Pressure30.27 inHg
Wind11.3 mph N
Humidity75%
Visibility—
Dew point47°
Fri, 1654° / 40°0
Morning44°feels 40°
Afternoon51°feels 48°
Evening46°feels 43°
Overnight40°feels 34°
54 °
Letcher, Friday, 16 October
Clear. High 54°, low 40°.
Pressure30.74 inHg
Wind17.5 mph N
Humidity53%
Visibility—
Dew point33°
Sat, 1745° / 25°0
Morning29°feels 24°
Afternoon40°feels 36°
Evening38°feels 31°
Overnight34°feels 26°
45 °
Letcher, Saturday, 17 October
Mostly clear. High 45°, low 25°.
Pressure30.65 inHg
Wind13.5 mph SE
Humidity24%
Visibility—
Dew point4°
Sun, 1864° / 36°0
Morning43°feels 35°
Afternoon56°feels 53°
Evening54°feels 51°
Overnight47°feels 42°
64 °
Letcher, Sunday, 18 October
Overcast. High 64°, low 36°.
Pressure30.06 inHg
Wind19.7 mph S
Humidity28%
Visibility—
Dew point21°
Mon, 1973° / 48°0
Morning54°feels 53°
Afternoon67°feels 65°
Evening60°feels 58°
Overnight54°feels 52°
73 °
Letcher, Monday, 19 October
Mostly clear. High 73°, low 48°.
Pressure29.97 inHg
Wind9.9 mph SE
Humidity31%
Visibility—
Dew point34°
Tue, 2077° / 50°0
Morning57°feels 55°
Afternoon71°feels 69°
Evening62°feels 61°
Overnight56°feels 54°
77 °
Letcher, Tuesday, 20 October
Mostly clear. High 77°, low 50°.
Pressure29.74 inHg
Wind14.1 mph S
Humidity28%
Visibility—
Dew point35°
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 Letcher, 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.