Hartman Reservoir, OR Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Hartman Reservoir Weather Forecast
| TODAY | TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT |
| Clearing | Smoke | Chance of T-Storm | Rain Showers | Rain Showers | Chance of Showers | Rain Showers | Chance of T-Storm | Chance of Showers | Partly Cloudy | Chance of Showers | Chance of Showers |
| Hi: 78°FHi: 26°C | Lo: 47°FLo: 8°C | Hi: 64°FHi: 18°C | Lo: 44°FLo: 7°C | Hi: 59°FHi: 15°C | Lo: 39°FLo: 4°C | Hi: 62°FHi: 17°C | Lo: 36°FLo: 2°C | Hi: 68°FHi: 20°C | Lo: 39°FLo: 4°C | Hi: 70°FHi: 21°C | Lo: 40°FLo: 4°C |
| POP: 90% | POP: 80% | POP: 50% | POP: 40% | POP: 30% | POP: 20% | POP: 30% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 130 AM PDT Tue Sep 01 2026 

Hartman Reservoir Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Hartman Reservoir Weather Map
Hartman Reservoir Quick Facts
Hartman Reservoir Forecast Discussion
Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 1231 AM MDT Tue Sep 1 2026
Key Messages
- Warm today and Tuesday.
- Isolated thunderstorms in S-central ID this evening, increasing across Central ID Tuesday afternoon/evening.
- A strong low pressure system later this week will bring cooler and windier conditions with periods of showers and thunderstorms, especially to Oregon and west-central Idaho.
Aviation
/06Z Tuesday through Wednesday/... Issued 1225 AM MDT TUE SEP 1 2026 VFR in most areas of southwestern Idaho and southeastern Oregon through Wednesday. Expect some reduction ...
Weather World