Weather World
City of Barnum, MNBarnum, MN Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Barnum Weather Forecast
| TODAY | TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | WEDNESDAY | THURSDAY | THURSDAY NIGHT | FRIDAY |
 |  |  | |  |  | | |  |  | |
| Patchy Fog | Mostly Cloudy | Mostly Cloudy | Mostly Cloudy | Mostly Sunny | Mostly Clear | Mostly Clear | Mostly Clear | Partly Cloudy | Partly Cloudy | Partly Sunny |
| Hi: 61°FHi: 16°C | Lo: 49°FLo: 9°C | Hi: 61°FHi: 16°C | Lo: 41°FLo: 5°C | Hi: 60°FHi: 16°C | Hi: 61°FHi: 16°C Lo: 40°FLo: 4°C | Hi: 61°FHi: 16°C Lo: 40°FLo: 4°C | Hi: 61°FHi: 16°C Lo: 40°FLo: 4°C | Hi: 65°FHi: 18°C Lo: 45°FLo: 7°C | Hi: 65°FHi: 18°C Lo: 45°FLo: 7°C | Hi: 69°FHi: 21°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 531 AM CDT Sat Sep 19 2026 
Barnum Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Barnum Weather Map
Barnum Quick Facts
Barnum Forecast Discussion
Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 620 AM CDT Sat Sep 19 2026
Key Messages
- Lingering light rain will slowly decrease in coverage and slide east through the day today.
- Dangerous swimming conditions expected for the beaches of the Twin Ports today through Monday.
- Unseasonably cool temperatures overnight may lead to frost formation inland beginning Sunday night and continuing through Wednesday night.
Discussion
... Issued at 248 AM CDT Sat Sep 19 2026
Early this morning, our primary weather concerns are widespread stratus, patchy fog, and light rain. The light ra...