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As of 21:20 MDT

Weather in Hayes, SD

83°Current weather

Hayes, Saturday, 8 August, 21:20

Clear. Feels like 81°. High 99°, low 61°.

Pressure29.71 inHg
Wind0.9 mph SW
Humidity34%
Visibility6.2 mi
Dew point50°
Sun, 0992° / 66°0.01Light rain
92 °Light rain

Hayes, Sunday, 9 August

Light rain. High 92°, low 66°.

Pressure29.80 inHg
Wind16.2 mph NE
Humidity32%
Visibility6.2 mi
Dew point54°
Mon, 10104° / 66°0Mostly clear
104 °Mostly clear

Hayes, Monday, 10 August

Mostly clear. High 104°, low 66°.

Pressure29.74 inHg
Wind15.3 mph SE
Humidity25%
Visibility6.2 mi
Dew point55°
Tue, 1193° / 67°0.01Light rain
93 °Light rain

Hayes, Tuesday, 11 August

Light rain. High 93°, low 67°.

Pressure29.83 inHg
Wind9.7 mph E
Humidity39%
Visibility6.2 mi
Dew point59°
Wed, 1292° / 65°0.23Rain
92 °Rain

Hayes, Wednesday, 12 August

Rain. High 92°, low 65°.

Pressure29.85 inHg
Wind7 mph SE
Humidity40%
Visibility6.2 mi
Dew point59°
Thu, 1375° / 63°1.12Heavy rain
75 °Heavy rain

Hayes, Thursday, 13 August

Heavy rain. High 75°, low 63°.

Pressure29.97 inHg
Wind18 mph E
Humidity61%
Visibility—
Dew point59°
Fri, 1480° / 63°0Overcast
80 °Overcast

Hayes, Friday, 14 August

Overcast. High 80°, low 63°.

Pressure30.03 inHg
Wind19.5 mph S
Humidity49%
Visibility—
Dew point54°
Sat, 1582° / 66°0.01Light rain
82 °Light rain

Hayes, Saturday, 15 August

Light rain. High 82°, low 66°.

Pressure30.06 inHg
Wind15.8 mph S
Humidity59%
Visibility—
Dew point62°
Sun, 1682° / 68°0.09Light rain
82 °Light rain

Hayes, Sunday, 16 August

Light rain. High 82°, low 68°.

Pressure30.03 inHg
Wind13.5 mph NE
Humidity54%
Visibility—
Dew point62°
Mon, 1792° / 64°0.02Light rain
92 °Light rain

Hayes, Monday, 17 August

Light rain. High 92°, low 64°.

Pressure29.94 inHg
Wind12.8 mph SW
Humidity52%
Visibility—
Dew point62°
Tue, 1894° / 72°0.05Light rain
94 °Light rain

Hayes, Tuesday, 18 August

Light rain. High 94°, low 72°.

Pressure29.94 inHg
Wind23.1 mph NE
Humidity25%
Visibility—
Dew point46°
Wed, 1979° / 62°0.02Light rain
79 °Light rain

Hayes, Wednesday, 19 August

Light rain. High 79°, low 62°.

Pressure30.12 inHg
Wind17.8 mph NE
Humidity41%
Visibility—
Dew point48°
Thu, 2074° / 63°0.09Light rain
74 °Light rain

Hayes, Thursday, 20 August

Light rain. High 74°, low 63°.

Pressure30.03 inHg
Wind15.5 mph SE
Humidity73%
Visibility—
Dew point57°
Fri, 2192° / 62°0.91Heavy rain
92 °Heavy rain

Hayes, Friday, 21 August

Heavy rain. High 92°, low 62°.

Pressure29.68 inHg
Wind24.2 mph S
Humidity38%
Visibility—
Dew point55°
Sat, 2283° / 65°0Clear
83 °Clear

Hayes, Saturday, 22 August

Clear. High 83°, low 65°.

Pressure29.83 inHg
Wind13.7 mph N
Humidity40%
Visibility—
Dew point53°
Sun, 2385° / 63°0Partly cloudy
85 °Partly cloudy

Hayes, Sunday, 23 August

Partly cloudy. High 85°, low 63°.

Pressure29.91 inHg
Wind13.6 mph SE
Humidity28%
Visibility—
Dew point42°

About the monthly outlook

How accurate is a 30-day forecast?

The first 16 days come from weather models — reliable for the first 3–5 days and progressively less so after that. Days 17 through 30 for Hayes, SD are built from the climate normal, the 60-year average, so they show typical weather for those dates rather than a specific forecast.

What does "above normal" mean?

We compare the forecast against the climate normal for those exact calendar days, computed from 60 years of observations. The deviation shows how much the coming month differs from a typical one.

Where do the 66-year records come from?

They are real temperature extremes recorded in Hayes, SD since 1960: the highest and lowest reading for each calendar date, with the year it happened.

How often is it updated?

The forecast portion refreshes every hour; the climate portion is based on long-term data and stays stable.