Hermosa, SD Weather Forecast
Local 7-day forecast
Partly Sunny then Slight Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Hermosa, SD in one place.
A slight chance of showers and thunderstorms after noon. Partly sunny, with a high near 85. Southwest wind 6 to 20 mph, with gusts as high as 33 mph.
Local Weather Overview
This forecast page for Hermosa, SD is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Apr 19, 2026 8:58 AM MDT.
The active forecast window currently covers Apr 22 to Apr 25, 2026 for Hermosa, SD.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 22 to Apr 25, 2026
- Latest sync
- Apr 19, 2026 8:58 AM MDT
- Forecast office
- UNR
- Source
- NOAA / NWS
Daily Outlook
This Week in Hermosa
Wednesday looks like the warmest upcoming period in Hermosa at 85 degrees F.
Saturday Night is the coolest period ahead with temperatures near 27 degrees F.
The strongest winds are forecast for Thursday at about 20 to 33 mph W.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 19, 2026 8:58 AM MDT
- Coverage
- 5 days
- Time zone
- America/Denver
- Forecast office
- UNR
- Radar station
- KUDX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Rain showers likely. Mostly cloudy, with a low around 46. Southwest wind around 20 mph, with gusts as high as 29 mph.
Rain showers likely. Mostly sunny, with a high near 59.
A chance of rain showers before 9pm, then a chance of rain and snow showers. Mostly cloudy, with a low around 29.
A slight chance of snow showers before 3pm, then a slight chance of rain and snow showers. Mostly sunny, with a high near 53.
A slight chance of snow showers. Mostly cloudy, with a low around 28.
A slight chance of snow showers before 3pm, then a slight chance of rain and snow showers. Partly sunny, with a high near 53.
A slight chance of rain and snow showers. Partly cloudy, with a low around 27.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Apr 22
|
Partly Sunny then Slight Chance Showers And Thunderstorms
|
85°F |
6 to 20 mph
SW
|
|
Wednesday Night
Apr 22
|
Rain Showers Likely
|
46°F |
20 mph
SW
|
|
Thursday
Apr 23
|
Rain Showers Likely
|
59°F |
20 to 33 mph
W
|
|
Thursday Night
Apr 23
|
Chance Rain And Snow Showers
|
29°F |
13 to 31 mph
NW
|
|
Friday
Apr 24
|
Slight Chance Snow Showers
|
53°F |
13 to 22 mph
NW
|
|
Friday Night
Apr 24
|
Slight Chance Snow Showers
|
28°F |
7 to 20 mph
NW
|
|
Saturday
Apr 25
|
Slight Chance Snow Showers
|
53°F |
7 to 16 mph
N
|
|
Saturday Night
Apr 25
|
Slight Chance Rain And Snow Showers
|
27°F |
6 to 15 mph
N
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Hermosa.