Springfield, Illinois weather
United States · America/Chicago · 39.78, -89.65
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Springfield, IL Weather Today
Current conditions, hourly and 7 day forecast, official severe weather alerts, and air quality for Springfield, Illinois. Every section shows where the data came from and when it was last checked.
Your briefing — take action
Springfield, Illinois
- Right now
- Frost Advisory in effect for Knox; Stark; Peoria; Marshall; Woodford; Fulton; Tazewell; Schuyler; Mason; Logan; Cass; Menard; Scott; Morgan; Sangamon; Christian.Official warning
- Next few hours
- No rain in the forecast for the next few hours.Forecast
- Your day
- Best outdoor window: 6 AM to 8 AM.Our reading
What officials say to do
- Take steps now to protect tender plants from the cold.
Wording from NWS Lincoln IL. Read the official warning
What happens next
- NowFrost Advisory covers Knox; Stark; Peoria; Marshall; Woodford; Fulton; Tazewell; Schuyler; Mason; Logan; Cass; Menard; Scott; Morgan; Sangamon; Christian.Official warning
- NextOfficial warning runs until 9:00 AM.Official warning
Official warnings for this location come from NOAA / National Weather Service. Lines marked Our reading are WeatherSignal’s reading of the measurements and forecast, not an official statement.
Springfield, Illinois
55°
Overcast
Feels like 52° · High 55° · Low 54°
Overcast sky here right now. Nothing falling.
Cool and cloudy tonight. 55° and feels like 52°. Overnight low around 54°. Tomorrow starts clear sky. Sunrise is at 1:00 AM.
- Overnight low 54°
- Sunrise 1:00 AM
- Rain overnight 0%
Next few hours
Now
55°
—
4 PM
55°
—
5 PM
55°
—
6 PM
54°
—
7 PM
53°
—
- Rain chance
- 0%
- Wind
- 15 mph NNW
- Humidity
- 64%
- Air quality
- No reading
Source updated: 9:28:33 PM · WeatherSignal checked: 9:28:33 PM
What matters today
Six quick answers for Springfield. Tap Why? on any of them to see the reasoning.
Umbrella
Nah (Good)
Best time
1 AM (Good)
Dog walk
5 PM (Good)
Car wash
Go for it (Good)
Cookout
Doable with a plan (Mixed)
Windows
Crack them (Mixed)
Today's Signal
Good day
80/100
Mostly favorable, but the wind and poor visibility will make it less comfortable outside.
Wind 15 mph · Visibility 0.0 mi · Active Frost Advisory
Today is about 9° cooler than the rest of the week.
See exactly how this number was worked out
Every location starts at 100. Points come off for heat, cold, rain, wind, UV, humidity, poor visibility, and any official alert. Nothing is ever added back.
- Starting score100
- Wind 15 mph-4
- Visibility 0.0 mi-10
- Active Frost Advisory-6
- Final Signal80
Next 12 hours
No big swings coming in the next 12 hours.
- 4 PMWarmest stretch · 55°
- 1 AMSunrise
- 3 AMCoolest stretch · 44°
- 4 PM—55 degrees, 0 percent chance of rain
- 5 PM—55 degrees, 0 percent chance of rain
- 6 PM—54 degrees, 0 percent chance of rain
- 7 PM—53 degrees, 0 percent chance of rain
- 8 PM—53 degrees, 0 percent chance of rain
- 9 PM—51 degrees, 0 percent chance of rain
- 10 PM—50 degrees, 0 percent chance of rain
- 11 PM—49 degrees, 0 percent chance of rain
- 12 AM—48 degrees, 0 percent chance of rain
- 1 AM—47 degrees, 0 percent chance of rain
- 2 AM—46 degrees, 0 percent chance of rain
- 3 AM—44 degrees, 0 percent chance of rain
The line is temperature by hour. The number under each hour is the chance of rain. Scroll sideways for the full 12 hours.
Next change
It keeps cooling down overnight
Temperatures fall from about 55° to 44° over the next 12 hours. There is no meaningful rain signal in the next several hours.
WeatherSignal NOW: Springfield, Illinois
One number for everything happening around you, from 0 to 100.
94
NORMAL
Nothing here needs your attention right now.
Tap any line to see exactly what added or subtracted points. Every rule is published on our methodology page. This is an informational signal, not a safety rating: official warnings always come first.
What this means
Generated from the forecast values above using fixed rules: not an AI guess.
- A Frost Advisory issued by NWS Lincoln IL is active for Knox.
- No significant precipitation is expected in the next 24 hours.
Next 24 hours
Will it rain during your commute? When does the storm arrive?
See all 48 hours (2 days) — free
| Time | Condition | Temp | Feels | Precip % | Amount | Wind | Humidity |
|---|---|---|---|---|---|---|---|
| 4 PM | Overcast | 55° | 52° | 0% | 0.00″ | 15 NNW | 64% |
| 5 PM | Mainly clear | 55° | 52° | 0% | 0.00″ | 14 NNW | 66% |
| 6 PM | Mainly clear | 54° | 49° | 0% | 0.00″ | 16 NNW | 69% |
| 7 PM | Mainly clear | 53° | 48° | 0% | 0.00″ | 15 NNW | 71% |
| 8 PM | Clear sky | 53° | 48° | 0% | 0.00″ | 14 NNW | 64% |
| 9 PM | Mainly clear | 51° | 46° | 0% | 0.00″ | 14 NNW | 61% |
| 10 PM | Clear sky | 50° | 45° | 0% | 0.00″ | 14 NNW | 62% |
| 11 PM | Clear sky | 49° | 44° | 0% | 0.00″ | 13 N | 63% |
| 12 AM | Clear sky | 48° | 43° | 0% | 0.00″ | 11 N | 64% |
| 1 AM | Clear sky | 47° | 42° | 0% | 0.00″ | 10 N | 67% |
| 2 AM | Clear sky | 46° | 41° | 0% | 0.00″ | 9 N | 70% |
| 3 AM | Clear sky | 44° | 40° | 0% | 0.00″ | 9 N | 71% |
| 4 AM | Clear sky | 43° | 39° | 0% | 0.00″ | 7 N | 73% |
| 5 AM | Clear sky | 42° | 38° | 0% | 0.00″ | 6 NNW | 76% |
| 6 AM | Clear sky | 41° | 37° | 0% | 0.00″ | 6 NNW | 79% |
| 7 AM | Clear sky | 40° | 36° | 0% | 0.00″ | 6 NNW | 80% |
| 8 AM | Clear sky | 41° | 37° | 0% | 0.00″ | 6 NNW | 79% |
| 9 AM | Clear sky | 45° | 42° | 0% | 0.00″ | 5 N | 69% |
| 10 AM | Clear sky | 48° | 46° | 0% | 0.00″ | 4 NNE | 59% |
| 11 AM | Clear sky | 50° | 50° | 0% | 0.00″ | 2 NE | 53% |
| 12 PM | Clear sky | 53° | 53° | 0% | 0.00″ | 1 ESE | 50% |
| 1 PM | Clear sky | 55° | 55° | 0% | 0.00″ | 1 S | 45% |
| 2 PM | Clear sky | 56° | 56° | 0% | 0.00″ | 3 SW | 40% |
| 3 PM | Clear sky | 57° | 57° | 0% | 0.00″ | 3 WSW | 38% |
7-day forecast
Confidence decreases the further out you look.
Today
Mainly clear
55° / 54°
- Precip:
- 0% · 0.00″
- Wind:
- 16 mph
- UV:
- 1.1
- Sun:
- 1 AM to 1 PM
Sat, Oct 17
Clear sky
57° / 40°
- Precip:
- 0% · 0.00″
- Wind:
- 15 mph
- UV:
- 4.6
- Sun:
- 1 AM to 1 PM
Sun, Oct 18
Clear sky
63° / 43°
- Precip:
- 0% · 0.00″
- Wind:
- 10 mph
- UV:
- 4.7
- Sun:
- 1 AM to 1 PM
Mon, Oct 19
Clear sky
64° / 43°
- Precip:
- 0% · 0.00″
- Wind:
- 7 mph
- UV:
- 0.0
- Sun:
- 1 AM to 1 PM
Tue, Oct 20
Clear sky
67° / 46°
- Precip:
- 0% · 0.00″
- Wind:
- 5 mph
- UV:
- 0.0
- Sun:
- 1 AM to 1 PM
Lower confidence: long-range outlook, not a certainty.
Wed, Oct 21
Clear sky
66° / 44°
- Precip:
- 0% · 0.00″
- Wind:
- 5 mph
- UV:
- 0.0
- Sun:
- 1 AM to 1 PM
Lower confidence: long-range outlook, not a certainty.
Thu, Oct 22
Clear sky
70° / 46°
- Precip:
- 0% · 0.00″
- Wind:
- 3 mph
- UV:
- 0.0
- Sun:
- 1 AM to 1 PM
Lower confidence: long-range outlook, not a certainty.
Forecasts describe likely conditions, not guaranteed outcomes. Official warnings from your national weather service always take precedence over anything shown here.
Springfield hourly weather
Hour by hour, out to eight days ahead.
Springfield 7 day forecast
Highs, lows and rain chance for the week.
Air quality detail
Pollutants, category, and official guidance.