Egan, SD Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Egan Weather Forecast
| TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY |
| Mostly Clear | Sunny | Mostly Clear | Sunny | Mostly Clear | Sunny | Clearing | Mostly Sunny | Partly Cloudy | Chance of T-Storm | Chance of T-Storm | Showers |
| Lo: 55°FLo: 13°C | Hi: 79°FHi: 26°C | Lo: 50°FLo: 10°C | Hi: 81°FHi: 27°C | Lo: 61°FLo: 16°C | Hi: 89°FHi: 32°C | Lo: 59°FLo: 15°C | Hi: 75°FHi: 24°C | Lo: 49°FLo: 9°C | Hi: 65°FHi: 18°C | Lo: 51°FLo: 11°C | Hi: 65°FHi: 18°C |
| POP: 50% | POP: 70% | POP: 70% |
POP = Probability of Precipitation.
Weather Outlook Updated: 209 PM CDT Tue Sep 08 2026 

Egan Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Egan Weather Map
Egan Quick Facts
Egan Forecast Discussion
Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 112 PM CDT Tue Sep 8 2026
Key Messages
- Scattered showers and thunderstorms are expected this afternoon into the evening over northeast NE and northwest IA. There is a very small risk for severe storms, with the main threats quarter sized hail, wind gusts to 60 mph, and locally heavy rain.
- Severe weather possible on Friday afternoon and evening. Confidence is low due to the potential for a stronger cap.
- Additional very good chances (50-80 percent) for showers and thunderstorms return on Sunday.
- Cooler conditions arrive thi...
Weather World