Weather WorldModoc, SC Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Modoc Weather Forecast
| TODAY | TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | LABOR DAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT |
 |  | |  |  |  |  | | | | | |
| Sunny | Mostly Clear | Sunny | Partly Cloudy | Chance of Showers | Chance of T-Storm | Partly Sunny | Clearing | Sunny | Mostly Clear | Mostly Sunny | Mostly Clear |
| Hi: 99°FHi: 37°C | Lo: 75°FLo: 24°C | Hi: 99°FHi: 37°C | Lo: 71°FLo: 22°C | Hi: 99°FHi: 37°C | Lo: 70°FLo: 21°C | Hi: 89°FHi: 32°C | Lo: 69°FLo: 21°C | Hi: 91°FHi: 33°C | Lo: 69°FLo: 21°C | Hi: 91°FHi: 33°C | Lo: 70°FLo: 21°C |
| POP: 40% | POP: 70% |
POP = Probability of Precipitation.
Weather Outlook Updated: 707 AM EDT Fri Sep 04 2026 
Modoc Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Modoc Weather Map
Modoc Quick Facts
Modoc Forecast Discussion
Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 633 AM EDT Fri Sep 4 2026
Key Messages
- 1. Heat Advisory in effect from 11am until 8pm for Lancaster and Chesterfield Counties today.
- 2. Heat Index values from 105 to 110 possible Saturday.
- 3. Severe storms possible Saturday afternoon or evening.
Discussion
... KEY MESSAGE 1. Heat Advisory in effect from 11am until 8pm for Lancaster and Chesterfield Counties today.
The ridge will slowly begin to retrograde through the day today, but 850mb temperatures near the NAEFS 99th percentile and robust heating should once again yield t...