Weather World
Shellsburg, IA Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Shellsburg Weather Forecast
| REST OF TODAY | TONIGHT | SUNDAY | SUNDAY NIGHT | LABOR DAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | THURSDAY | THURSDAY NIGHT | FRIDAY |
 |  |  | | | |  |  | | | | |
| Sunny | Partly Cloudy | Partly Sunny | Partly Cloudy | Mostly Sunny | Partly Cloudy | Partly Cloudy | Chance of T-Storm | Partly Cloudy | Partly Cloudy | Partly Cloudy | Mostly Sunny |
| Hi: 89°FHi: 32°C | Lo: 65°FLo: 18°C | Hi: 81°FHi: 27°C | Lo: 61°FLo: 16°C | Hi: 81°FHi: 27°C | Hi: 91°FHi: 33°C Lo: 65°FLo: 18°C | Hi: 91°FHi: 33°C Lo: 65°FLo: 18°C | Lo: 69°FLo: 21°C | Hi: 81°FHi: 27°C Lo: 61°FLo: 16°C | Hi: 81°FHi: 27°C Lo: 61°FLo: 16°C | Lo: 61°FLo: 16°C | Hi: 85°FHi: 29°C |
| POP: 70% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1011 AM CDT Sat Sep 05 2026 
Shellsburg Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Shellsburg Weather Map
Shellsburg Quick Facts
Shellsburg Forecast Discussion
Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 1218 PM CDT Sat Sep 5 2026
Key Messages
- Dangerous heat continues through 7 PM this evening, with peak heat indices of 100 to 110 degrees. Extreme heat warnings and heat advisories are in effect.
- After a brief reprieve, heat and humidity will return on Tuesday and Wednesday. The overall pattern has a 55-70% probability of above normal temperatures through mid- September.
Aviation
/18Z TAFS THROUGH 18Z SUNDAY/... Issued at 1204 PM CDT Sat Sep 5 2026
A backdoor cold front is pushing through our area as of Noon, with winds becomi...