As of 13:52 MDT

Weather in Keystone, SD

93°Current weather

Keystone, Saturday, 8 August, 13:52

Mostly clear. Feels like 89°. High 93°, low 60°.

Pressure29.71 inHg
Wind7.2 mph NW
Humidity19%
Visibility6.2 mi
Dew point45°

10-day forecast for Keystone, SD: 57° to 96°, with precipitation expected on 0 days. The table below breaks each day into morning, afternoon, evening and overnight.

96°
Best day: Monday, August 10
73°
Worst day: Thursday, August 13

Tap any day below to see morning, afternoon, evening and overnight.

Sun, 0986° / 63°0Overcast
MorningOvercast69°feels 67°
AfternoonOvercast85°feels 82°
EveningMostly clear77°feels 76°
OvernightClear66°feels 64°
86 °Overcast

Keystone, Sunday, 9 August

Overcast. High 86°, low 63°.

Pressure29.83 inHg
Wind11.9 mph E
Humidity25%
Visibility6.2 mi
Dew point45°
Mon, 1096° / 61°0Mostly clear
MorningMostly clear77°feels 76°
AfternoonMostly clear96°feels 92°
EveningClear78°feels 77°
OvernightClear64°feels 63°
96 °Mostly clear

Keystone, Monday, 10 August

Mostly clear. High 96°, low 61°.

Pressure29.77 inHg
Wind10.6 mph E
Humidity24%
Visibility6.2 mi
Dew point48°
Tue, 1187° / 62°0.02Light rain
MorningOvercast78°feels 77°
AfternoonClear86°feels 84°
EveningLight rain70°feels 70°
OvernightClear63°feels 62°
87 °Light rain

Keystone, Tuesday, 11 August

Light rain. High 87°, low 62°.

Pressure29.85 inHg
Wind10.6 mph E
Humidity35%
Visibility6.2 mi
Dew point53°
Wed, 1288° / 62°0.03Light rain
MorningClear75°feels 74°
AfternoonLight rain87°feels 84°
EveningLight rain75°feels 75°
OvernightOvercast63°feels 63°
88 °Light rain

Keystone, Wednesday, 12 August

Light rain. High 88°, low 62°.

Pressure29.77 inHg
Wind13.7 mph SE
Humidity27%
Visibility6.2 mi
Dew point51°
Thu, 1373° / 57°0.03Light rain
MorningLight rain59°feels 59°
AfternoonLight rain66°feels 66°
EveningLight rain72°feels 72°
OvernightLight rain65°feels 64°
73 °Light rain

Keystone, Thursday, 13 August

Light rain. High 73°, low 57°.

Pressure30.06 inHg
Wind12.3 mph SE
Humidity77%
Visibility
Dew point56°
Fri, 1488° / 61°0.01Light rain
MorningLight rain68°feels 68°
AfternoonLight rain82°feels 82°
EveningLight rain80°feels 79°
OvernightLight rain65°feels 65°
88 °Light rain

Keystone, Friday, 14 August

Light rain. High 88°, low 61°.

Pressure29.91 inHg
Wind18.3 mph S
Humidity41%
Visibility
Dew point53°
Sat, 1583° / 61°0Overcast
MorningOvercast67°feels 66°
AfternoonOvercast81°feels 80°
EveningOvercast80°feels 79°
OvernightOvercast68°feels 67°
83 °Overcast

Keystone, Saturday, 15 August

Overcast. High 83°, low 61°.

Pressure30.03 inHg
Wind10.9 mph NE
Humidity39%
Visibility
Dew point51°
Sun, 1691° / 66°0Clear
MorningClear73°feels 72°
AfternoonClear90°feels 87°
EveningClear81°feels 79°
OvernightClear70°feels 69°
91 °Clear

Keystone, Sunday, 16 August

Clear. High 91°, low 66°.

Pressure29.94 inHg
Wind10.2 mph NE
Humidity20%
Visibility
Dew point42°
Mon, 1789° / 66°0.01Light rain
MorningLight rain72°feels 70°
AfternoonLight rain86°feels 84°
EveningLight rain80°feels 80°
OvernightLight rain70°feels 69°
89 °Light rain

Keystone, Monday, 17 August

Light rain. High 89°, low 66°.

Pressure29.97 inHg
Wind12.4 mph SE
Humidity31%
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 Keystone, 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.