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Jasper County, IA Weather Forecast
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Jasper County Weather Forecast
| TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY |
 |  | | | | | |  |  |  |  | |
| Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Showers | Chance of Showers | Mostly Cloudy | Partly Cloudy | Partly Sunny |
| Lo: 65°FLo: 18°C | Hi: 80°FHi: 27°C | Lo: 69°FLo: 21°C | Hi: 81°FHi: 27°C | Lo: 65°FLo: 18°C | Hi: 65°FHi: 18°C | Lo: 59°FLo: 15°C | Hi: 59°FHi: 15°C | Lo: 55°FLo: 13°C | Hi: 61°FHi: 16°C | Lo: 51°FLo: 11°C | Hi: 65°FHi: 18°C |
| POP: 50% | POP: 70% | POP: 70% | POP: 70% | POP: 80% | POP: 70% | POP: 70% | POP: 60% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 208 PM CDT Thu Sep 17 2026 
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Issued: 150 PM CDT Thu Sep 17 2026
Aviation
/18Z TAFS THROUGH 18Z FRIDAY/... Issued at 1240 PM CDT Thu Sep 17 2026
There is high confidence in IFR/MVFR restrictions prevailing through the period at all terminals. An arc of showers and storms is forecsat to lift across the state after midnight tonight through the end of the period. Have continued PROB30s groups timing the window of highest thunderstorm potential. Further, in the moisture rich environment, fog may develop and linger through much of Friday morning as winds from the so...