Salem, Iowa Weather
Cicadas claim the scorching afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Salem weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Light Drizzle22%—85°69°—
- SundayJul 5Light Drizzle—0.01″86°69°+1°
- MondayJul 6Clear——87°67°+1°
- TuesdayJul 7Mostly Clear——84°65°-3°
- WednesdayJul 8Thunderstorm22%—86°65°+2°
- ThursdayJul 9Thunderstorm48%0.03″80°68°-6°
- FridayJul 10Light Drizzle33%—82°67°+2°
AQI 39 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 6.6 µg/m³, PM10 at 7.5 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.
What's driving it
PM × Wind × Precip
PM2.5 at 6.6 µg/m³, PM10 at 7.5 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.88
- Wind
- calm
- Recent rain
- 1h 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).








































If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:25 PM
- Moonset
- 11:18 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Salem at a glance
- Today vs. normal: 3°F above the seasonal normal for this latitude
- Last frost: April 21 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 52649
16-Day Forecast — Salem
- Sat85°69°22%
- Sun86°69°8%
- Mon87°67°2%
- Tue84°65°1%
- Wed86°65°22%
- Thu80°68°48%
- Fri82°67°33%
- Sat75°65°6%
- Sun77°58°9%
- Mon81°59°5%
- Tue84°64°5%
- Wed86°70°14%
- Thu90°70°15%
- Fri89°73°17%
- Sat91°74°16%
- Sun84°66°26%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 5, 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 — Salem
SPC includes Salem in the general thunderstorm area today — no severe risk, but storms are possible.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3NONENo severe risk
Thunderstorms possible. Not severe, but capable of producing lightning and brief heavy rain.
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 Salem
- 52649