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Janssen, MN Weather Forecast
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Janssen Weather Forecast
| TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY |
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| Chance of T-Storm | Sunny | Partly Cloudy | Mostly Sunny | Mostly Clear | Mostly Clear | Mostly Clear | Mostly Sunny | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of Showers |
| Lo: 63°FLo: 17°C | Hi: 85°FHi: 29°C | Lo: 55°FLo: 13°C | Hi: 85°FHi: 29°C | Lo: 55°FLo: 13°C | Hi: 83°FHi: 28°C Lo: 55°FLo: 13°C | Hi: 83°FHi: 28°C Lo: 55°FLo: 13°C | Hi: 83°FHi: 28°C | Hi: 85°FHi: 29°C Lo: 63°FLo: 17°C | Hi: 85°FHi: 29°C Lo: 63°FLo: 17°C | Lo: 65°FLo: 18°C | Hi: 85°FHi: 29°C |
| POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 437 PM CDT Wed Aug 19 2026 
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Janssen Forecast Discussion
Issued: 235 PM CDT Wed Aug 19 2026
Key Messages
- Isolated thunderstorms in eastern North Dakota into Minnesota tonight into Thursday. No severe weather anticipated with the main impacts being lightning and brief rain.
Discussion
... Issued at 235 PM CDT Wed Aug 19 2026
...Synopsis...
Northwesterly flow aloft continues with various weak shortwaves moving into the Plains. One such shortwave comes through tonight and Thursday, bringing a surface low with some weak cold air advection behind it. The northwester...