Opal, SD Weather Forecast

Feedback E-mail the Weather

Quick Weather Clicks

Opal, SD Weather Forecast

Current Conditions

Settings
Opal SD weather  - Sunny - 92°F
Sunny
92°F
Updated 5:36 pm
Feels Like 88°F
Humidity 31%
Wind SSE 17 mph
Barometer  29.85 in
Dew Point 57°F
Opal SD weather  - Sunny - 33°C
Sunny
33°C
Updated 5:36 pm
Feels Like 31°C
Humidity 31%
Wind SSE 27 km/h
Barometer  101 kPa
Dew Point 14°C

Opal Weather Forecast

LATE THIS AFTERNOON TONIGHT LABOR DAY MONDAY NIGHT TUESDAY TUESDAY NIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT FRIDAY FRIDAY NIGHT
Opal, SD Weather - Late This Afternoon Mostly Sunny Opal, SD Weather - Tonight Chance Of T-Storm Opal, SD Weather - Labor Day Chance Of T-Storm Opal, SD Weather - Monday Night Mostly Clear Opal, SD Weather - Tuesday Sunny Opal, SD Weather - Tuesday Night Mostly Clear Opal, SD Weather - Wednesday Sunny Opal, SD Weather - Wednesday Night Clear Opal, SD Weather - Thursday Sunny Opal, SD Weather - Thursday Night Mostly Clear Opal, SD Weather - Friday Mostly Sunny Opal, SD Weather - Friday Night Chance Of Showers
Mostly Sunny Chance of T-Storm Chance of T-Storm Mostly Clear Sunny Mostly Clear Sunny Clear Sunny Mostly Clear Mostly Sunny Chance of Showers
Hi: 91°FHi: 33°C
Lo: 65°FLo: 18°C Hi: 91°FHi: 33°C
Lo: 59°FLo: 15°C Hi: 81°FHi: 27°C
Lo: 51°FLo: 11°C Hi: 79°FHi: 26°C
Lo: 51°FLo: 11°C Hi: 89°FHi: 32°C
Lo: 55°FLo: 13°C Hi: 85°FHi: 29°C
Lo: 50°FLo: 10°C
POP: 20% POP: 50% POP: 20%
POP = Probability of Precipitation.
Weather Outlook Updated: 417 PM MDT Sun Sep 06 2026 Opal, SD Weather - WeatherWorld.com

Trending Headlines

Opal Radar Loop

Use the map search tool if you want to place a location marker on the radar map...

Opal Quick Facts

National Two Day Weather Forecast


E-mail the Opal Weather Forecast

Voice your opinion or tell us about page issues...

Opal Forecast Discussion

Meteorlogic Glosserator
Instant definitions for any meteorological term.

Issued: 1227 PM MDT Sun Sep 6 2026

Key Messages

  • Above average temperatures remain in the start of the forecast. Afternoon temps will be in the upper 80s to 90s for Monday but cooler temps expected midweek.
  • Elevated fire weather conditions linger.
  • Isolated to scattered thunderstorms are expected through Monday morning.

Discussion

...(This Evening Through Sunday) Issued at 1202 PM MDT Sun Sep 6 2026

A change in the winds is coming to the area this week. The last couple of days, we have been under the influence of a large upper level ri...