Shannon, Mississippi Weather
Heat settles and the rain begins. Day 90 of spring. Read this microseason across nine climate regions →
Shannon weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 17Thunderstorm12%—86°70°—
- ThursdayJun 18Thunderstorm32%0.06″81°74°-5°
- FridayJun 19T-storm w/ Hvy Hail65%1.6″88°70°+7°
- SaturdayJun 20T-storm w/ Hvy Hail48%0.01″85°71°-3°
- SundayJun 21T-storm w/ Hvy Hail56%—86°73°+1°
- MondayJun 22Thunderstorm49%0.02″81°67°-5°
- TuesdayJun 23Light Showers42%0.03″81°66°0°
AQI 21 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 6.5 µg/m³, PM10 at 7.4 µg/m³ — typical background levels with no transport signature.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 10 PM.
What's driving it
Ozone × UV × Sky
Ozone at AQI 31 now. With UV 6.1 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 18 around 1 PM.
- Present
- AQI 31
- UV peak
- 6.1 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 18
PM × Wind × Precip
PM2.5 at 6.5 µg/m³, PM10 at 7.4 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.88
- Wind
- breezy
- Recent rain
- 0h in last 6h
- Pattern
- background
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
- 8:12 AM
- Moonset
- 10:13 PM
- In sign
- ♌︎ Leo
Heat settles and the rain begins
Shannon at a glance
- Today vs. normal: 80°F — typical for the season
- Last frost: March 12 (climatological average for this latitude)
- Microseason: Jun 16–20
- Planting window: Stake and prune tomato suckers. Watch for squash vine borers.
16-Day Forecast — Shannon
- Wed86°70°12%
- Thu81°74°32%
- Fri88°70°65%
- Sat85°71°48%
- Sun86°73°56%
- Mon81°67°49%
- Tue81°66°42%
- Wed84°69°22%
- Thu86°67°24%
- Fri92°68°24%
- Sat88°72°22%
- Sun91°71°39%
- Mon89°73°40%
- Tue87°72°39%
- Wed90°72°40%
- Thu86°72°26%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of June 17, 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 — Shannon
SPC has placed Shannon in the Marginal Risk category for severe thunderstorms tomorrow.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWMRGLMarginal Risk
- DAY 3TSTMGeneral Thunderstorms
Isolated severe storms possible. Limited threat for hail or damaging wind.
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 Shannon
- 38868