Weather StoryAlmanac, microseasons, and the day's weather story.

Springfield, Illinois Weather

Heat settles and the rain begins. Day 89 of spring. Read this microseason across nine climate regions →

Springfield weather forecast — hour by hour, 7-day outlook, NOAA radar

Springfield, IL
Tuesday, June 16 at 10:23 AM
72
°
Overcast
Feels like
68°
Humidity
55%
Wind
13 mph
Sunrise
12:29 AM
Sunset
3:28 PM
Springfield, IL
Hour by hour · 24h
24-Hour ForecastSpringfield, IL: 24-hour forecast. Temperatures range from 59 to 81 degrees Fahrenheit with a 39% chance of precipitation at 10 AM.
L 59°H 81°
Springfield, IL
7-day forecast
  1. Today
    Jun 16
    Overcast
    39%
    —
    81°60°—
  2. Wednesday
    Jun 17
    Thunderstorm
    58%
    0.14″
    91°59°+10°
  3. Thursday
    Jun 18
    Overcast
    58%
    —
    73°59°-18°
  4. Friday
    Jun 19
    Overcast
    —
    —
    75°55°+2°
  5. Saturday
    Jun 20
    Overcast
    —
    —
    79°58°+4°
  6. Sunday
    Jun 21
    Showers
    63%
    0.54″
    70°61°-9°
  7. Monday
    Jun 22
    Overcast
    63%
    —
    69°58°-1°
Springfield, IL
Next 24 hours · Mild now
HOT 90°50°70°90°6a12p6p12anow 72°high 81°low 59°PRECIP %
Springfield, IL
Anemometer · 24h winds · from true
NESW
From · True
WSW
249° · backing 28°
Direction
WSW
249°
Sustained
13
mph
Gust
26
mph
Peak 24h
26
avg 7
Beaufort · 4 · MOD BRZ
0
CALM
<1
1
LIGHT AIR
1–3
2
LIGHT BRZ
4–7
3
GENTLE BRZ
8–12
4
MOD BRZ
13–18
5
FRESH BRZ
19–24
6
STRONG BRZ
25–31
7
NEAR GALE
32–38
24h · sust vs gust · mph
avg 7 · pk 26 @ 9:00a
0102030MPHB1B2B3B4B5B6B7-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 324SUSTGUST
−24h−18h−12h−6hnow
Sustained 13 mph with gusts pulsing to 26 — flags snap, branches bend.
Springfield, IL
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
987.2
-0.4 mb in 3h · steady · 29.15 inHg
Now
987.2
mb
3h
-0.4
mb
12h
-4.1
mb
24h
-7.8
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 987–995
9809859909951000STORM|RAIN-21h-18h-15h-12h-9h-6h-3h-24hNOW995.1987.3987.3
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Springfield, IL
Air quality
29
AQI
Good
→-4 in 6h▲Peak ~42 @ 9 PM

AQI 29 (Good), driven by Ozone. AQI flat over the last 6 hours (within ±4 points). Ozone at AQI 40 now. With UV 4.9 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 19 around 1 PM.

OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 9 PM.

PM 2.5Good
1.7μg/m³
PM 10Good
2μg/m³
NO₂Good
3μg/m³
OzoneDRIVERModerate
84μg/m³
UV IndexModerate
3.5

What's driving it

Ozone × UV × Sky

Ozone at AQI 40 now. With UV 4.9 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 19 around 1 PM.

Present
AQI 40
UV peak
4.9 at 1 PM
Sky at peak
partly cloudy
Projected peak
AQI 19

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).

7-DAY AQI TREND50100TUEWEDTHUFRISATSUNMONTUE7-DAY PM2.5 TREND · μg/m³300
Springfield, IL
Sky cover · visibility · 24h
Cloud cover
100%
OVERCAST
100%0%−24h−18h−12h−6hnow
Visibility
60.8mi
UNLIMITED
105 mi0 mi−24h−18h−12h−6hnow
Earth · GOES-19 ABI
Full Disk · Visible · GeoColor
GOES-19 full disk Visible · GeoColor
True-color daytime, blue/IR sandwich at night
15:23 UTC · Springfield, IL · NOAA NESDIS / STAR · up to 10848 px
Continental US · GOES-19 ABI
CONUS Sector · Visible · GeoColor
GOES-19 CONUS Visible · GeoColor
Daytime true-color, blue-light/IR sandwich at night
15:23 UTC · Springfield, IL · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Springfield, IL
Satellite · infrared · animated
Springfield, IL
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Springfield, IL
Almanac · Tuesday, June 16
Cut your thistles before St. John, you will have two instead of one.
Civil dawn
4:58 AM
Sunrise
12:29 AM
Daylight
14h 59m
Sunset
3:28 PM
Civil dusk
9:02 PM
Planting note
Stake and prune tomato suckers. Watch for squash vine borers.
Springfield, IL
The moon
Waxing Crescent
4% illuminated
Moonrise
6:44 AM
Moonset
9:46 PM
In sign
♋︎ Cancer
Springfield, IL
Microseason
Jun 16–20

Heat settles and the rain begins

weather
Jan 146% of the yearDec 31

Read this microseason across nine climate regions →

Springfield at a glance

  • Today vs. normal: 3°F below the seasonal normal for this latitude
  • Last frost: April 15 (climatological average for this latitude)
  • Microseason: Jun 16–20
  • Planting window: Stake and prune tomato suckers. Watch for squash vine borers.

16-Day Forecast — Springfield

  1. Tue81°60°39%
  2. Wed91°59°58%
  3. Thu73°59°58%
  4. Fri75°55°2%
  5. Sat79°58°8%
  6. Sun70°61°63%
  7. Mon69°58°63%
  8. Tue75°61°13%
  9. Wed79°64°13%
  10. Thu82°63°18%
  11. Fri85°69°26%
  12. Sat89°73°32%
  13. Sun91°74°45%
  14. Mon91°71°45%
  15. Tue91°74°38%
  16. Wed93°75°48%

Forecast data from Open-Meteo (CC BY 4.0).

Live wind & temperature near Springfield

Right now in the garden

Peak growing season

As of June 16, 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 — Springfield

SPC has placed Springfield in the Moderate Risk category for severe thunderstorms tomorrow.

  • TODAYTSTMGeneral Thunderstorms
  • TOMORROWMDTModerate Risk
  • DAY 3NONENo severe risk

Widespread severe storms expected. Tornadoes (some strong), large hail, and damaging wind gusts are likely. Stay weather-aware and review your sheltering plan.

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.

January 1–5: Frost quiets the live oaks.January 6–10: Still water thickens with ice.January 11–15: Springs begin to move beneath ice.January 16–20: Cardinal dawn calls grow bolder.January 21–25: Late January thaw pulses.January 26–31: Last freeze locks the land.February 1–5: February's lengthening light.February 6–10: Warming winds thaw the margin.February 11–15: Magnolia blooms break the gray.February 16–20: Mockingbirds resume the dawn chorus.February 21–25: Rain replaces the last snow.February 26–28: Mist clings to greening valleys.March 1–5: The green pulse awakens.March 6–10: Hibernators emerge to call.March 11–15: Dogwood and redbud ignite.March 16–20: Swallowtails emerge from winter silk.March 21–25: Light crowns the dogwood canopy.March 26–31: Redbud cascades over the thaw.April 1–5: Thunder announces the wet season.April 6–10: Barn swallows carve the warming sky.April 11–15: Magnolia blooms and falls in a breath.April 16–20: First rainbows arch over thunderheads.April 21–25: Reeds push through marsh water.April 26–30: Frost retreats; seedlings rise free.May 1–5: Warblers flood the canopy in waves.May 6–10: Tulip poplar lights the forest crown.May 11–15: Shad pulse upstream through rapids.May 16–20: Roses open on the Piedmont edge.May 21–25: Fireflies scout the humid dusk.May 26–31: Frog choruses rise from every wetland.June 1–5: Fireflies pulse through the magnolias.June 6–10: Kudzu climbs deeper into green.June 11–15: Sun climbs to its northern throne.June 16–20: Heat settles and the rain begins.June 21–25: The longest day turns toward shadow.June 26–30: Fireflies drift through Spanish moss.July 1–5: Cicadas claim the scorching afternoon.July 6–10: Thunderheads boil and break at dusk.July 11–15: Thunder builds each drowsy afternoon.July 16–20: Cicadas claim the long noon.July 21–25: Dog days drape the earth in haze.July 26–31: Katydids begin their rasping chorus.August 1–5: Dusk arrives one minute earlier each night.August 6–10: Meteorological summer's turning page.August 11–15: Cool winds gather at the margins.August 16–20: Dog-day cicadas rise.August 21–25: Heat breaks in creek beds.August 26–31: Monarchs gather strength.September 1–5: Harvests begin in earnest.September 6–10: Dew beads on resurrection fern.September 11–15: Raptors trail the thermals.September 16–20: Day and dark find balance.September 21–25: Thunder quiets the land.September 26–30: Insects retreat below.October 1–5: Swamp waters recede.October 6–10: Maples ignite the ridge.October 11–15: Asters crown the meadows.October 16–20: Crickets sing at dusk.October 21–25: Frost paints the garden.October 26–31: Light rains whisper down.November 1–5: Sweetgum Turns Crimson.November 6–10: Camellia Blooms Break Through.November 11–15: Earth Stiffens Underfoot.November 16–20: Bare Limbs Hold the Light.November 21–25: First Frost Grips the High Ground.November 26–30: North Wind Strips the Last Leaves.December 1–5: Darkness Falls Before Dinner.December 6–10: Winter Locks the Land.December 11–15: Wildlife Retreats to Shelter.December 16–20: Ice Edges Deepen Inward.December 21–25: The Sun Begins its Return.December 26–31: The Year Turns in Silence.🌱February 14 — First skunk-cabbage spathes thaw their way up☀️March 20 — Spring equinox — day and night balance🌸April 5 — Cherry blossoms peak in the parks🐦May 10 — Warbler migration peaks along the coast✨May 25 — First fireflies scout the meadows at dusk🌞June 21 — Summer solstice — longest day🦗July 25 — Peak cicada chorus in the afternoons🌊August 18 — Warmest sea-surface temperatures of the year🍂September 22 — Autumn equinox — the slow turn❄️October 25 — First widespread frost in the suburbs🍁November 10 — Peak leaf color across the Hudson Valley🌙December 21 — Winter solstice — longest night

Microseason · June 16–20

Heat settles and the rain begins

Summer heat locks in; afternoon thunderstorms arrive with humid intensity, feeding kudzu and swamp vegetation.

Day 167 of 365 · Wedge 34 of 72

The solar year drawn as a wheel of 72 five-day windows. Each wedge is one microseason; the four colored arcs mark winter, spring, summer, and autumn; the small icons sit at notable phenological events. The crimson pointer creeps clockwise as the year turns.

Planting calendar

MonthPlantHarvest
January——
February——
March——
Aprillettuce, peas, spinach, radishes—
Maylettuce, peas, spinach, radishes, tomatoes, peppers, beans, squashlettuce, peas, radishes
Junetomatoes, peppers, beans, squashlettuce, peas, radishes
Julytomatoes, peppers, beans, squashtomatoes, beans, summer squash
August—tomatoes, beans, summer squash
Septemberfall brassicas, garlic (overwinter), carrotstomatoes, beans, summer squash
Octoberfall brassicas, garlic (overwinter), carrotswinter squash, tomatoes (last)
November——
December——

A year in weather

Springfield's warmest month is July (~78°F mean) and its coldest is January (~27°F). Rainfall peaks in May (4.5 inches) and bottoms out in January (1.9 inches).

MonthMean tempPrecipRainy days
January27°1.9″14
February31°2.1″12
March42°3.4″16
April54°4.1″16
May64°4.5″17
June73°4.3″15
July78°2.9″14
August78°2.5″13
September71°2.9″12
October58°3.0″11
November43°3.4″12
December31°2.7″13

Regional context

By the nearest station's NOAA NCEI 1991-2020 normals, Springfield sees 27°F Januarys and 78°F Julys, a 51°F range, plus around 37.7 inches of precipitation across 165 days.

Rainfall in Springfield stays even across the calendar: May tops out at 4.5 inches over 17.0 rainy days, and January still logs 1.9 inches across 13.7 — a narrow range for Springfield. That lines Springfield up with places like Southern View, IL, Jerome, IL and Leland Grove, IL, fed by overlapping storm tracks.

The cool-season window in Springfield starts at mid-April, when nights stop freezing — think kale, peas, spinach, and parsnips. Hold Springfield's tender crops — tomatoes, peppers, basil — until 10-14 days past Springfield's last frost. Springfield's window closes around mid-November as overnight lows return below freezing. Within Springfield, cold-air pooling chills low spots by 5-10°F, shifting Springfield's local frost dates.

Similar climates: Southern View, IL, Jerome, IL, Leland Grove, IL, Grandview, IL, Rochester, IL.

Naturalist notes

Late May brings the distinctive calls of red-winged blackbirds defending territory in Springfield's wetlands and marshy areas.

By early June, native prairie grasses like big bluestem begin their rapid growth phase across central Illinois grasslands.

Frequently asked

When does it freeze in Springfield?
In Springfield, expect the last spring frost near mid-April; Springfield's first autumn frost comes around mid-November.
What is the rainy season in Springfield?
Springfield sees its heaviest rain in May (around 4.5 inches), part of roughly 38 inches a year.
What is the warmest month in Springfield?
The warmest stretch in Springfield comes in July, around 78°F on average.
What is the coldest month in Springfield?
On average January is the chilliest month in Springfield, about 27°F.
When can I start a vegetable garden in Springfield?
Springfield's last frost (mid-April) cues hardy greens; in Springfield, hold heat-lovers two weeks past.
How many rainy days does Springfield get?
Springfield records around 165 days of measurable precipitation annually.
What hardiness zone is Springfield?
Springfield sits in the USDA zone set by January lows near 27°F; the USDA ZIP tool gives the band.
What is the 10-day forecast for Springfield?
Springfield's extended outlook — daily high and low temperatures and precipitation chances for each upcoming day — is in the daily forecast above.
Will it rain this week in Springfield?
See this week's day-by-day rain chances for Springfield in the daily forecast above, and the next 24 hours in the hourly chart.
What is the weather like right now in Springfield?
Current conditions for Springfield and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
How often is the Springfield forecast updated?
The Springfield forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
When are sunrise and sunset in Springfield?
Day length in Springfield peaks around the June solstice — earliest sunrise and latest sunset — and is shortest near the December solstice.
How accurate is the weather forecast for Springfield?
The next few days in Springfield's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.

Climate

Springfield's humid subtropical climate in Illinois pairs 27°F Januarys with 78°F Julys, 51°F apart across the seasons.

Yearly precipitation in Springfield totals around 38 inches, spread over about 165 days of rain or snow.

Latitude 39.8°N gives Springfield its 51°F swing, and with it the rhythm of Springfield's growing season.

All cities in Illinois →

St. Louis, MO weather →

ZIP codes in Springfield

  • 62711
  • 62712
  • 62629
  • 62702
  • 62703
  • 62701
  • 62706
  • 62707
  • 62704
  • 62705
  • 62715
  • 62716
  • 62719
  • 62722
  • 62726
  • 62736
  • 62739
  • 62756
  • 62757
  • 62761
  • 62762
  • 62763
  • 62765
  • 62766
  • 62767
  • 62769
  • 62776
  • 62777
  • 62781
  • 62786
  • 62796

Climate normals from the Open-Meteo Climate API. Köppen approximation from NOAA NCEI U.S. Climate Regions. See methodology for data sources, editorial rules, and corrections. Maintainer: Brian Tighe.