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

Alpha, Illinois Weather

Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →

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

Alpha, IL
Saturday, July 4 at 8:42 AM
75
°
Partly Cloudy
Feels like
80°
Humidity
90%
Wind
9 mph
Sunrise
12:34 AM
Sunset
3:37 PM
Alpha, IL
Hour by hour · 24h
24-Hour ForecastAlpha, IL: 24-hour forecast. Temperatures range from 68 to 84 degrees Fahrenheit with a 34% chance of precipitation at 1 PM.
L 68°H 84°
Alpha, IL
7-day forecast
  1. Today
    Jul 4
    Overcast
    62%
    84°69°
  2. Sunday
    Jul 5
    Overcast
    21%
    84°68°
  3. Monday
    Jul 6
    Partly Cloudy
    81°62°-3°
  4. Tuesday
    Jul 7
    Clear
    80°60°-1°
  5. Wednesday
    Jul 8
    Overcast
    13%
    83°63°+3°
  6. Thursday
    Jul 9
    Thunderstorm
    26%
    83°69°
  7. Friday
    Jul 10
    Overcast
    26%
    78°64°-5°
Alpha, IL
Anemometer · 24h winds · from true
NESW
From · True
NE
052° · backing 139°
Direction
NE
052°
Sustained
9
mph
Gust
11
mph
Peak 24h
19
avg 8
Beaufort · 3 · GENTLE 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 8 · pk 19 @ 5:00p
01020MPHB1B2B3B4B5-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 143SUSTGUST
−24h−18h−12h−6hnow
Light breeze backing 139° from the ne.
Alpha, IL
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
986.2
-0.2 mb in 3h · steady · 29.12 inHg
Now
986.2
mb
3h
-0.2
mb
12h
-0.7
mb
24h
-3.4
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 985990
9809859909951000STORM|RAIN10051010RAIN|CHG1015CHG|FAIR10201025FAIR|DRY1030-21h-18h-15h-12h-9h-6h-3h-24hNOW989.6984.9985.5
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Alpha, IL
Air quality
21
AQI
Good
-6 in 6hPeak ~35 @ 8 PM

AQI 21 (Good), driven by PM2.5. AQI down 6 over the last 6 hours (gradual decline).

OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 8 PM.

PM 2.5DRIVERGood
4.3μg/m³
PM 10Good
5μg/m³
NO₂Good
8μg/m³
OzoneGood
46μg/m³
UV IndexLow
0.7
Alpha, IL
Sky cover · visibility · 24h
Cloud cover
52%
PARTLY CLOUDY
100%0%−24h−18h−12h−6hnow

Visibility
27.1mi
UNLIMITED
59 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
13:42 UTC · Alpha, 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
13:42 UTC · Alpha, IL · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Alpha, IL
Satellite · infrared · animated
Alpha, IL
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Alpha, IL
Almanac · Saturday, July 4
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
5:01 AM
Sunrise
12:34 AM
Daylight
15h 03m
Sunset
3:37 PM
Civil dusk
9:12 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
Alpha, IL
The moon
Waning Gibbous
81% illuminated
Moonrise
10:57 PM
Moonset
10:06 AM
In sign
♓︎ Pisces
Alpha, IL
Microseason
Jul 1–5

Cicadas claim the afternoon

bird
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

Alpha at a glance

  • Today vs. normal: 5°F above the seasonal normal for this latitude
  • Last frost: April 23 (climatological average for this latitude)
  • Microseason: Jul 1–5
  • Planting window: Harvest early potatoes. Begin drying onions on the surface.

ZIP code: 61413

16-Day Forecast — Alpha

  1. Sat84°69°62%
  2. Sun84°68°21%
  3. Mon81°62°2%
  4. Tue80°60°4%
  5. Wed83°63°13%
  6. Thu83°69°26%
  7. Fri78°64°26%
  8. Sat83°65°17%
  9. Sun67°58°8%
  10. Mon74°55°6%
  11. Tue75°60°10%
  12. Wed79°64°19%
  13. Thu80°65°14%
  14. Fri81°68°19%
  15. Sat84°70°23%
  16. Sun85°71°29%

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

Right now in the garden

Peak growing season

As of July 4, 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 — Alpha

SPC has placed Alpha in the Marginal Risk category for severe thunderstorms today.

  • TODAYMRGLMarginal Risk
  • TOMORROWTSTMGeneral Thunderstorms
  • DAY 3NONENo severe risk

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 Alpha

  • 61413

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.