Monmouth, Iowa Weather
Toward the solstice glow. Day 88 of spring. Read this microseason across nine climate regions →
Monmouth weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 15Overcast——77°51°—
- TuesdayJun 16Drizzle15%0.03″70°59°-7°
- WednesdayJun 17T-storm w/ Hail98%0.51″75°58°+5°
- ThursdayJun 18Light Drizzle10%—70°55°-5°
- FridayJun 19Overcast——69°52°-1°
- SaturdayJun 20Light Drizzle25%0.02″69°55°0°
- SundayJun 21Thunderstorm46%0.33″73°61°+4°
AQI 38 (Good), driven by Ozone. AQI up 16 in the last 6 hours — air quality is degrading. Ozone at AQI 40 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
Ozone × UV × Sky
Ozone at AQI 40 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
- Present
- AQI 40
- UV peak
- 0.6 at earlier today
- Sky at peak
- clear
- Projected peak
- AQI 40
Trends
Seven days of AQI and PM2.5.
Hourly air-quality data from the Copernicus Atmosphere Monitoring Service, charted across the past and next several days. Dashed lines mark the AQI breakpoints at 50 (Good → Moderate) and 100 (Moderate → Unhealthy for Sensitive Groups).
A summer fog for fair, a winter fog for rain.
- Moonrise
- 5:28 AM
- Moonset
- 9:00 PM
- In sign
- ♋︎ Cancer
Toward the solstice glow
Monmouth at a glance
- Today vs. normal: 3°F above the seasonal normal for this latitude
- Last frost: April 28 (climatological average for this latitude)
- Microseason: Jun 11–15
- Planting window: Stake and prune tomato suckers. Watch for squash vine borers.
16-Day Forecast — Monmouth
- Mon77°51°1%
- Tue70°59°15%
- Wed75°58°98%
- Thu70°55°10%
- Fri69°52°5%
- Sat69°55°25%
- Sun73°61°46%
- Mon63°60°44%
- Tue68°58°7%
- Wed76°57°9%
- Thu74°56°17%
- Fri78°58°16%
- Sat71°62°32%
- Sun72°62°33%
- Mon71°58°30%
- Tue68°54°32%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of June 15, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.
SPC Convective Outlook
Storm Prediction Center — Monmouth
SPC has placed Monmouth in the Slight Risk category for severe thunderstorms day after tomorrow.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3SLGTSlight Risk
Scattered severe storms possible. A few tornadoes, hail, and damaging wind gusts possible.
Source: NOAA / NWS Storm Prediction Center categorical convective outlook. Outlooks are re-issued multiple times per day; this page reflects the most recent SPC polygons covering the city’s coordinates.
ZIP codes in Monmouth
- 52309